Chapter 6 Ch6

User Manual: Chapter 6 C-more 4-inch and 6-inch Color Micro-Graphic Panels User Manual and Quick Start Guide

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PLC Communications

Chapter

6

In this Chapter...
Introduction................................................................................................................ 6-2
Available PLC Protocols............................................................................................. 6-3
C-more Micro-Graphic Communication Ports........................................................... 6-4
DirectLOGIC PLCs Password Protection.................................................................... 6-5
Compatibility and Connection Charts....................................................................... 6-5
AutomationDirect Controllers.................................................................................... 6-5
RS-422A/RS-485A Communications.......................................................................... 6-5
Allen-Bradley............................................................................................................. 6-5
GE, Mitsubishi, Omron, Modicon and Siemens......................................................... 6-5
Cables from AutomationDirect................................................................................ 6-14
Cables from AutomationDirect – Wiring Diagrams................................................ 6-16
User Constructed Cables – Wiring Diagrams.......................................................... 6-24
RS-422A Multi-Drop Wiring Diagram Example....................................................... 6-34
RS-485A Multi-Drop Wiring Diagram Example....................................................... 6-36

Chapter 6: PLC Communications

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Introduction

6-2

The C-more® Color Micro-Graphic panels are capable of communicating with
AutomationDirect Productivity Series, Do-more, CLICK, SOLO, GS Drives and the entire
DirectLOGIC family of PLCs. The panel is capable of communicating using RS232, RS422
or RS485 on Port2.
The C-more® Micro-Graphic panel communicates using the following cables.
• EA-2CBL - connects to Productivity Series, Do-more, CLICK, DL05, DL105, DL205, DL350,
DL450, H2-WINPLC phone jack: RJ12 - 15 pin D-sub.
• EA-2CBL-1 - connects to D2-250, D250-1, D2-260, DL06 VGA connector: 15-pin HD - 15 pin
D-sub.

The panel also has the ability to communicate with Allen-Bradley PLCs that support the AllenBradley DF1 and DH485 protocols. Use Port2 with the following cables to connect the panel
to a majority of Allen-Bradley PLCs.
• EA-MLOGIX-CBL – connects to AB MicroLogix 1000, 1100, 1200 1400 & 1500:
15-pin D-sub - 8-pin DIN
• EA-SLC-232-CBL – connects to AB SLC 5/03, /04, /05, ControlLogix, CompactLogix, FlexLogix:
15-pin D-sub - 9-pin Dshell female
• EA-PLC5-232-CBL – connects to AB PLC5: 15-pin Dshell - 25-pin Dshell
• EA-DH485-CBL – connects to AB MicroLogix, SLC500, and any PLC using AB AIC device:
15-pin Dshell - RJ45 8-pin

The PLC Compatibility and Connection Chart tables on the following pages list the various
PLCs and protocols that can be configured. Other third party PLCs include GE, Mitsubishi,
Omron, Modicon and Siemens. The rest of this chapter shows the pin to pin connections of
available cables plus wiring diagrams to construct cables.
NOTE: Refer to the Compatability and Connection Charts beginning on page 6-7 for a listing of PLC
connections for the C-more Micro-Graphic panel.
NOTE: When the panel is powered through Port1 from a connected PC, the screen brightness is diminished
because the panel is running in Low-Power Mode. Connect an external 12-24 VDC power source when the
panel is installed in its application for full brightness.

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EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

Introduction (cont’d)
Available PLC Protocols
PLC Drivers
Serial - port2 only
AutomationDirect Productivity Series
AutomationDirect CLICK
AutomationDirect Do-more
AutomationDirect K-sequence
AutomationDirect DirectNET
AutomationDirect Modbus
AutomationDirect SOLO
AutomationDirect GS Drives
Modicon Modbus RTU
Entivity Modbus RTU
Allen-Bradley DF1 Full Duplex
Allen-Bradley DF1 Half Duplex
Allen-Bradley PLC5 DF1
Allen-Bradley DH485
GE SNPX (90/30, 90/70, Micro 90, VersaMax Micro)
Mitsubishi FX
Mitsubishi Q, QnA
Omron Host Link (C200 Adapter, C500)
Omron FINS Serial (CJ1, CS1)
Siemens PPI (S7-200 CPU)

The panel can also be connected to more than one PLC by using RS-422 or RS-485 wired
in a multi-drop configuration. See the example wiring diagrams at the end of this chapter for
details.
If you have difficulty determining whether the particular PLC and/or protocol you are using
will work with C-more Micro-Graphic panels, please contact our technical support group at
770-844-4200.

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Chapter 6: PLC Communications

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C-more Micro-Graphic Communication Ports
Example of panel
connected to a CLICK PLC

6-4

C-more Color
Micro-Graphic Panel

CLICK PLC

Recommended
DC Supply Fuse
750 mA fast acting,
ADC p/n AGC-75

Port 2

PSC-24-015
Power Supply

EA-2CBL
serial cable
USB Type B
Programming Port1

Expansion
Connector

Expansion
Connector
USB Type B
Programming Port1

R**. 1 2 3 4 5

MODEL:EA1-T4CL

R

INPUT:12-24V 0.19-0.38A Class2
Date code:9048
MADE IN CHINA

7M17
IND.CONT.EQ.

EA1-T4CL+094018001

R01. 1 2 3 4 5

MODEL:EA1-T6CL

R

INPUT:12-24V 6.5W Class2
Date code:****
MADE IN CHINA

LISTED
7M17
IND.CONT.EQ.

EA1-T6CL + serial number

PLC 15-pin serial
communications Port2

8

1

15

9

PLC 15-pin serial
communications Port2

Pin

Signal

Pin

Signal

Pin

Signal

Pin

1

Frame GND

6

LE

Signal

Pin

11 TXD+ (422/485)

1

Frame GND

6

LE

11 TXD+ (422/485)

2

TXD (232C)

7

CTS (232C)

12 TXD– (422/485)

2

TXD (232C)

7

CTS (232C)

12 TXD– (422/485)

3

RXD (232C)

8

RTS (232C)

13 Term. Resistor

3

RXD (232C)

8

RTS (232C)

13 Term. Resistor

Signal

Pin

Signal

4

Supplies +5VDC

9

RXD+ (422/485)

14 do not use

4

Supplies +5VDC

9

RXD+ (422/485)

14 do not use

5

Logic GND

10 RXD– (422/485)

15 do not use

5

Logic GND

10 RXD– (422/485)

15 do not use

RS-232/422/485

®

EA1-T4CL

EA1-T6CL

RS-232/422/485

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

DirectLOGIC PLCs Password Protection
NOTE: DirectLOGIC PLCs support multi-level password protection of the ladder program. This allows
password protection while not locking the communication port to an operator interface. The multilevel
password can be invoked by creating a password with an upper case “A” followed by any variation of seven
numeric characters (e.g. A1234567). Please refer to the specific PLC user manual for further details.

Compatibility and Connection Charts
The following pages include charts that list the recommended cables and/or manufactured
devices that can be used to make up the communications link between several different
controllers and the C-more Micro-Graphic panel. Port2 is a 15-pin D-sub communication
port that supports RS-232, RS-485 and RS-422. An external class 2, 1 Amp @ 12-24 VDC
external power source is required.
Note: Recommended DC power supply to power the C-more Micro-Graphic Panel, AutomationDirect Part
No. PSC-24-015 or PSC-24-030.

The chart also refers to wiring diagrams that can be used to construct cables for connecting the
PLC’s port to the panel’s port. The user constructed cable diagrams start on page 6-24.

AutomationDirect Controllers
	AutomationDirect Productivity Series, CLICK, Do-more, DirectLogic, SOLO
Temperature Controller and GS Drives

Drivers specific to these AutomationDirect control devices make it convienient to communicate
with the C-more Micro-Graphic panels and simplify configuring objects with controller
addresses.

RS-422A/RS-485A Communications
When using the RS-422A/RS-485A communications capabilities of the C-more Micro-Graphic
Serial Port (Port 2), the termination resistor is placed between the RXD– and RXD+ terminals
on the PLC side of the connection between the touch panel and PLC. The Termination
Resistor value is based on the characteristic impedance of the cable being used. To enable the
built-in 120 Ohm Termination Resistor, jumper pin 13 (termination resistor) to pin 9 (RXD+)
on the C-more Micro-Graphic 15-pin PLC communications port.

Allen-Bradley
As stated in this chapter’s introduction, the panel also has the ability to communicate with
Allen-Bradley PLCs that support the Allen-Bradley DF1 and DH485 protocols. The chart for
the various Allen-Bradley PLCs includes recommended cables.

GE, Mitsubishi, Omron, Modicon and Siemens
Other 3rd party PLCs can be used with the C-more Micro-Graphic panel. These PLCs are
listed in a chart and various wiring diagrams are shown to allow connectivity.

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Chapter 6: PLC Communications

How to use the Compatibility and Connection Charts

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1.) Find the Controller or PLC Family being used.
2.) Find the particular Controller or PLC model in the Controller family.
3.) Determine the cable and other components, manufactured or user constructed, are required.
Example

Compatibility & Connection Chart
Controller

C-more Micro-Graphic Panel
Panel to PLC Cabling Components Required for
Specific Port and Protocol being used.

Family

CLICK

CPU

all versions
Analog CPUs

Productivity3000

all versions

all versions

Direct LOGIC
DL05

6-6

D0-DCM

®

PLC Port & Type

Port1
RJ12 - 6 pin
Port2
RJ12 - 6 pin
Port3
Terminal block - 3 pin
RS-232
RJ12 - 6 pin
RS-232 Port Terminal
block - 3 pin
Port 1
RJ12 - 6 pin
Port 2
RJ12 - 6 pin
Port 1
RJ12 - 6 pin
Port 2
DB15HD
(female)

External DC Power Supply
Using panel’s Port2
DB 15-pin - female
Protocol(s)
Components &
Supported
Network Type
AutomationDirect
Modbus (CLICK)

AutomationDirect
Productivity3000 Serial
(P3-550)
K-sequence,
Direct NET,
Modbus RTU
K-sequence,
Direct NET,
Modbus RTU

Modbus RTU

EA-2CBL
RS-232
* See Diagram 16
RS-485
EA-2CBL
RS-232
* See Diagram 17
RS-485
EA-2CBL
RS-232
EA-2CBL
RS-232
EA-2CBL-1
RS-232
* See Diagram 1
RS-422
* See Diagram 2
RS-485
Modbus only

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications
AutomationDirect CLICK PLC, ProductivitySeries, Do-more, SOLO Temperature
Controller and GS Drives
Panel Powered via external power supply, Port2 Communications
Compatibility & Connection Chart
Controller

C-more Micro-Graphic Panel
Panel to PLC Cabling Components Required for
Specific Port and Protocol being used.

Family

CPU

all versions

CLICK

Analog CPUs

Productivity Series

all versions

Do-more

all versions

SOLO Temperature
Controller

all versions

GS Drives

all versions

External DC Power Supply

PLC Port & Type

Port1
RJ12 - 6 pin
Port2
RJ12 - 6 pin
Port3
Terminal block - 3 pin
RS-232
RJ12 - 6 pin
RS-232 Port Terminal
block - 3 pin
Port2
RJ12 - 6 pin

Using panel’s Port2
DB 15-pin - female
Protocol(s)
Components &
Supported
Network Type
AutomationDirect
Modbus (CLICK)

EA-2CBL
RS-232

AutomationDirect
Do-more Serial

* See Diagram 16
RS-485
EA-2CBL
RS-232
* See Diagram 17
RS-485
EA-2CBL
RS-232

Data terminals

AutomationDirect SOLO
Temperature Controller

* See Diagram 20
RS-485

Port
RJ12 - 6 pin

AutomationDirect
GS Drives

* See Diagrams 18 and 19
RS-485

AutomationDirect
Productivity3000 Serial
(P3-550)

* Note: Wiring Diagrams for user constructed cables start on page 6-24.

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Chapter 6: PLC Communications

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AutomationDirect DirectLOGIC DL05, DL06,
D0-DCM Module & DL105 PLCs
Panel Powered via external power supply, Port2 Communications
Compatibility & Connection Chart
Controller

C-more Micro-Graphic Panel
Panel to PLC Cabling Components Required for
Specific Port and Protocol being used.

Family

CPU

all versions

Direct LOGIC
DL05
D0-DCM

PLC Port & Type

Port 1
RJ12 - 6 pin
Port 2
RJ12 - 6 pin
Port 1
RJ12 - 6 pin
Port 2
DB15HD
(female)
Port 1
RJ12 - 6 pin

all versions

Direct LOGIC
DL06

Port 2
DB15HD
(female)
Port 1
RJ12 - 6 pin

D0-DCM

Port 2
DB15HD
(female)

External DC Power Supply
Using panel’s Port2
DB 15-pin - female
Protocol(s)
Components &
Supported
Network Type
K-sequence,
Direct NET,
Modbus RTU
K-sequence,
Direct NET,
Modbus RTU

Modbus RTU

K-sequence,
Direct NET,
Modbus RTU

Modbus RTU

K-sequence,
Direct NET,
Modbus RTU

Modbus RTU

EA-2CBL
RS-232
EA-2CBL
RS-232
EA-2CBL-1
RS-232
* See Diagram 1
RS-422
* See Diagram 2
RS-485
Modbus only
EA-2CBL
RS-232
EA-2CBL-1
RS-232
* See Diagram 1
RS-422
* See Diagram 2
RS-485
Modbus only
EA-2CBL
RS-232
EA-2CBL-1
RS-232
* See Diagram 1
RS-422
* See Diagram 2
RS-485
Modbus only

* Note: Wiring Diagrams for user constructed cables start on page 6-24.

6-8

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EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications
DirectLOGIC DL205 PLCs, D2-DCM Module and WINPLC
Panel Powered via external power supply, Port2 Communications
Compatibility & Connection Chart
Controller

C-more Micro-Graphic Panel
Panel to PLC Cabling Components Required for
Specific Port and Protocol being used.

Family

CPU

PLC Port & Type

Direct LOGIC
DL105

all versions

Port 1
RJ12 - 6 pin

D2-230

D2-240

Port 1
RJ12 - 6 pin
Port 1
RJ12 - 6 pin
Port 2
RJ12 - 6 pin

External DC Power Supply
Using panel’s Port2
DB 15-pin - female
Protocol(s)
Components &
Supported
Network Type
EA-2CBL
K-sequence
RS-232
EA-2CBL
K-sequence
RS-232
K-sequence
K-sequence,
Direct NET

EA-2CBL
RS-232

Port 1
RJ12 - 6 pin
D2-250-1

Direct LOGIC
DL205

Port 2
DB15HD
(female)
Port 1
RJ12 - 6 pin

D2-260

Port 2
DB15HD
(female)

EA-2CBL
RS-232

K-sequence,
Direct NET,
Modbus RTU

EA-2CBL-1
RS-232
* See Diagram 1
RS-422

K-sequence,
Direct NET,
Modbus RTU

Modbus RTU

D2-DCM

Port 1
DB 25 pin
(female)

Direct NET

WINPLC

Port 1
RJ12 - 6 pin

Modbus RTU

EA-2CBL
RS-232
EA-2CBL-1
RS-232
* See Diagram 1
RS-422
* See Diagram 2
RS-485
Modbus only
EA-4CBL-2
RS-232
* See Diagram 5
RS-422
EA-2CBL
RS-232

* Note: Wiring Diagrams for user constructed cables start on page 6-24.

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Chapter 6: PLC Communications

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DirectLOGIC DL305 PLCs and D3-DCM Module
Panel Powered via external power supply, Port2 Communications
Compatibility & Connection Chart
Controller

C-more Micro-Graphic Panel
Panel to PLC Cabling Components Required for
Specific Port and Protocol being used.

Family

CPU

D3-330 or
D3-340

D3-340

Direct LOGIC
DL305
D3-350

D3-DCM
D3-350 only

PLC Port & Type

D3-232-DCU
DB 25 pin
(female)
D3-422-DCU
DB 25 pin
(female)
Port 1
RJ11 - 4 pin

External DC Power Supply
Using panel’s Port2
DB 15-pin - female
Protocol(s)
Components &
Supported
Network Type
Direct NET

EA-4CBL-2
RS-232

Direct NET

* See Diagram 5
RS-422

Direct NET

Port 2
RJ11 - 4 pin

Direct NET,
Modbus RTU

Port 1
RJ12 - 6 pin

K-sequence,
Direct NET

Port 2
DB 25 pin
(female)

K-sequence,
Direct NET,
Modbus RTU

Port 1
DB 25 pin
(female)

Direct NET

EA-3CBL
RS-232
EA-2CBL
RS-232
EA-4CBL-2
RS-232
* See Diagram 3
RS-422
EA-4CBL-2
RS-232
* See Diagram 5
RS-422

* Note: Wiring Diagrams for user constructed cables start on page 6-24.

6-10

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EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications
DirectLOGIC DL405 PLCs and D4-DCM Module, SOLO and GS Drives
Panel Powered via external power supply, Port2 Communications
Compatibility & Connection Chart
Controller

C-more Micro-Graphic Panel
Panel to PLC Cabling Components Required for
Specific Port and Protocol being used.

Family

CPU

D4-430

D4-440

Direct LOGIC
DL405

D4-450

D4-DCM

PLC Port & Type

External DC Power Supply
Using panel’s Port2
DB 15-pin - female
Protocol(s)
Components &
Supported
Network Type

Port 0
DB 15 pin
(female)

K-sequence

EA-4CBL-1
RS-232

Port 1
DB 25 pin
(female)

K-sequence,
Direct NET

EA-4CBL-2
RS-232
* See Diagram 3
RS-422

Port 0
DB 15 pin
(female)

K-sequence

EA-4CBL-1
RS-232

Port 1
DB 25 pin
(female)

K-sequence,
Direct NET

EA-4CBL-2
RS-232
* See Diagram 3
RS-422

Port 0
DB 15 pin
(female)

K-sequence

EA-4CBL-1
RS-232

Port 1
DB 25 pin
(female)

K-sequence,
Direct NET,
Modbus RTU

Port 3
DB 25 pin
(female)

K-sequence,
Direct NET,
Modbus RTU

EA-4CBL-2
RS-232
* See Diagram 3
RS-422

Port 2
RJ12 - 6 pin

K-sequence,
Direct NET

EA-2CBL
RS-232

Direct NET

EA-4CBL-2
RS-232
* See Diagram 5
RS-422

Port 1
DB 25 pin
(female)

* See Diagram 4
RS-422

* Note: Wiring Diagrams for user constructed cables start on page 6-24.

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Chapter 6: PLC Communications

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Allen-Bradley PLCs
Panel Powered via external power supply, Port2 Communications
Compatibility & Connection Chart
Controller

C-more Micro-Graphic Panel
Panel to PLC Cabling Components Required for
Specific Port and Protocol being used.

External DC Power Supply
Family

CPU

PLC Port & Type

Powered from an external 24 VDC source

8-pin
mini-din port
RJ45 8-pin
phone plug
9-pin
D-sub port
RJ45 8-pin
phone plug

Using panel’s Port2
DB 15-pin - female
Protocol(s)
Components &
Supported
Network Type
DF1 Full Duplex,
EA-MLOGIX-CBL
DF1 Half Duplex
RS-232
EA-DH485-CBL
DH485/AIC/AIC+
RS-232
DF1 Full Duplex,
EA-SLC-232-CBL
DF1 Half Duplex
RS-232
EA-DH485-CBL
DH485/AIC/AIC+
RS-232

Allen-Bradley
MicroLogix

1000, 1100,
1200, 1400, 1500

Allen-Bradley
SLC500

5/03, 5/04,
5/05
5/01, 5/02,
5/03

Allen-Bradley
ControlLogix

all

9-pin
D-sub port

DF1 Full Duplex,
DF1 Half Duplex

EA-SLC-232-CBL
RS-232

Allen-Bradley
CompactLogix

all

9-pin
D-sub port

DF1 Full Duplex,
DF1 Half Duplex

EA-SLC-232-CBL
RS-232

Allen-Bradley
FlexLogix

all

9-pin
D-sub port

DF1 Full Duplex,
DF1 Half Duplex

EA-SLC-232-CBL
RS-232

Allen-Bradley
PLC5

all

25-pin
D-sub port

DF1 Full Duplex

EA-PLC5-232-CBL
RS-232
* See Diagram 15
RS-422

* Note: Wiring Diagrams for user constructed cables start on page 6-24.

6-12

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EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications
GE, Mitsubishi, Omron, Modicon and Siemens PLCs
Panel Powered via external power supply, Port2 Communications
Compatibility & Connection Chart
Controller

C-more Micro-Graphic Panel
Panel to PLC Cabling Components Required for
Specific Port and Protocol being used.

External DC Power Supply
Family

CPU

90/30, 90/70

GE

Micro 90,
VersaMax
Micro

Melsec
FX Series

Mitsubishi
Q / QnA

C200 (Adapter),
C500

Omron

Modicon

CJ1, CS1,
CQM1,
CPM1,
CPM2
C200 CPU
984 CPU,
Quantum
113 CPU,
AEG
Modicon
Micro Series
110 CPU

PLC Port & Type

15-pin
D-sub port
RJ45
Port 1
15-pin
D-sub port
Port 2
25-pin
D-sub port
8-pin
mini-din port
9-pin
D-sub port
6-pin
mini-din port

®

Using panel’s Port2
DB 15-pin - female
Protocol(s)
Components &
Supported
Network Type
EA-90-30-CBL
RS-422
SNPX

* See Diagram 11
RS-232
EA-90-30-CBL
RS-422

CPU Direct

Q / QnA

EA-MITSU-CBL
RS-422
EA-MITSU-CBL-1
RS-422
* See Diagram 13
RS-232C
* See Diagram 14
RS-232C

25-pin
D-sub port

Host Link

EA-OMRON-CBL
RS-232

9-pin
D-sub port

Host Link
FINS

* See Diagram
6&7
RS-232

varies

Modbus RTU

* See Diagram
8, 9 & 10
RS-232

PPI

* See Diagram 12
RS-485

9-pin
D-sub port
0 or 1
* Note: Wiring Diagrams for user constructed cables start on page 6-24.
S7-200
CPU

Siemens

Powered from an external 24 VDC source

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Cables from AutomationDirect

6-14

Cable Description
AutomationDirect Productivity Series,
Do-more, CLICK, Direct LOGIC PLC RJ-12
port, DL05, DL06, DL105, DL205, D3-350,
D4-450 & H2-WinPLC (RS-232C)
Direct LOGIC (VGA Style) 15-pin port,
DL06, D2-250 (250-1), D2-260
(RS-232C).
Direct LOGIC PLC RJ-11 port, D3-340
(RS-232C).
Direct LOGIC DL405 PLC 15-pin D-sub
port, DL405 (RS-232C).
Direct LOGIC PLC 25-pin D-sub port,
DL405, D3-350, DL305 DCU and all DCM’s
(RS-232C).
Allen-Bradley MicroLogix 1000, 1100,
1200, 1400 & 1500 (RS-232C)
Allen-Bradley SLC 5-03/04/05,
ControlLogix, CompactLogix, FlexLogix
DF1 port (RS-232C)
Allen-Bradley PLC-5 DF1 port
(RS-232C)
Allen-Bradley MicroLogix, SLC 5-01/02/03,
DH485 port (RS-232C)
GE 90/30, 90/70, Micro 90, Versamax
Micro (Port2) 15-pin D-sub port
(RS-422A)
MITSUBISHI FX Series 25-pin port
(RS-422A)
MITSUBISHI FX Series 8-pin mini-DIN
(RS-422A)
OMRON Host Link (C200 Adapter, C500)
(RS-232C)

®

Cable Part No.
EA-2CBL
EA-2CBL-1
EA-3CBL
EA-4CBL-1
EA-4CBL-2
EA-MLOGIX-CBL
EA-SLC-232-CBL
EA-PLC5-232-CBL
EA-DH485-CBL
EA-90-30-CBL
EA-MITSU-CBL
EA-MITSU-CBL-1
EA-OMRON-CBL

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

Cables from AutomationDirect (cont’d)

Part No. EA-2CBL

Part No. EA-2CBL-1

Part No. EA-3CBL

Part No. EA-4CBL-2

Part No. EA-4CBL-1

Part No. EA-MLOGIX-CBL

Part No. EA-SLC-232-CBL

Part No. EA-DH485-CBL

Part No. EA-MITSU-CBL

®

Part No. EA-PLC5-232-CBL

Part No. EA-90-30-CBL

Part No. EA-MITSU-CBL-1

Part No. EA-OMRON-CBL

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

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Chapter 6: PLC Communications

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2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

Cables from AutomationDirect – Wiring Diagrams
The following series of wiring diagrams show the connectors and wiring details for the
communication cables that are used between the C-more Micro-Graphic panels and various
PLCs. Part numbers are included with the pre-made cables that can be purchased from
AutomationDirect. The information presented will allow the user to construct their own cables
if so desired.

EA-2CBL

CLICK & Direct LOGIC:
To PLC
RJ12 Port

1 = Sig GND
2 = do not use
3 = RXD
4 = TXD
5 = do not use
6 = do not use

Productivity Series, Do-more, CLICK and Direct Logic PLC RJ12 port:
To C-more Micro-Graphic
DL05, DL06, DL105, DL205, DL350, DL450, H2-WINPLC
Serial Port2
RS-232C (p/n EA-2CBL)
RJ12 6-pin
Phone Plug
(6P6C)

Wiring Diagram
TXD
RXD
GND

123456

4

3

3

2

1

5
shield

1

RXD
TXD

8 = do not use
7 = do not use
6 = do not use
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C)
1 = Frame GND

15-pin
D-sub
(male)
15

1

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

Direct LOGIC:

EA-2CBL-1
Direct Logic PLC (VGA style) 15-pin HD port:
D2-250, D2-250-1, D2-260, DL06
RS-232C (p/n EA-2CBL-1)

To PLC
15-Pin HD Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram
15-pin
15-pin
HD D-sub
D-sub
2
3 RXD
TXD
(male)
(male) 15 = do not use
15 = do not use
8 = do not use
8 = do not use
2
3
TXD 7 = do not use
14 = do not use RXD
7 = Sig GND
15
15 14 = do not use
5
13 = do not use GND 7
6 = do not use
6 = donot use
13 = do not use
12 = do not use
5 = CTS
5 = Logic GND
12 = do not use
4
11 = do not use RTS
4 = RTS
4 = do not use
11 = do not use
10 = do not use CTS 5
3 = RXD
3 = RXD (232C)
1 6
10 = do not use
1
9 = do not use
2 = TXD
2 = TXD (232C)
9 = do not use
1 = +5 VDC - N/C
1
1 = Frame GND
shield
HD = High Density
Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

6-16

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EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

Cables from AutomationDirect – Wiring Diagrams (cont’d)
Direct LOGIC:

EA-3CBL
Direct Logic PLC RJ11 port: D3-340
RS-232C (p/n EA-3CBL)

To PLC
RJ11 Port

RJ11 4-pin
Phone Plug
(4P4C)
1 = Sig ground
2 = do not use
3 = RXD
4 = TXD

Wiring Diagram
TXD
RXD
GND

1234

4

3

3

2

1

5
shield

RXD
TXD

1

To C-more Micro-Graphic
Serial Port2

8 = do not use
7 = do not use
6 = do not use
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C)
1 = Frame GND

15-pin
D-sub
(male)
15

1

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

EA-4CBL-1

Direct LOGIC:
Direct Logic PLC 15-pin D-sub port: DL405,
RS-232C (p/n EA-4CBL-1)

To PLC
15-Pin Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram
15-pin
D-sub
8 = YOM Sense (male)
7 = CTS
15
6 = do not use
5 = do not use
4 = Online
3 = RXD (232C)
2 = TXD (232C)
1 = YOP Sense 1

TXD
RXD

15 = Logic GND
14 = Logic GND
13 = Logic GND
12 = do not use
11 = do not use
10 = do not use
9 = do not use

See PLC user manual
for pin out details.

online

2

3

3

2

4

5

GND 13
GND 14
GND 15
YOP
CTS
YOM

1
7

RXD
TXD

15-pin
D-sub
8 = do not used (male)
7 = do not used
15
6 = do not used
5 = Logic GND
4 = do not used
3 = RXD (232C)
2 = TXD (232C) 1
1 = Frame GND

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

8

1
shield
Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

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Chapter 6: PLC Communications

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2
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5
6
7
8
9
10
11
12
13
14
A
B
C
D

Cables from AutomationDirect – Wiring Diagrams (cont’d)
EA-4CBL-2

Direct LOGIC:
Direct Logic PLC 25-pin D-sub port: DL405, D3-350,
DL305 DCU, and all DCMs,
RS-232C (p/n EA-4CBL-2)

To PLC
25-Pin Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram

25-pin
D-sub
(male)

15-pin
D-sub
3 RXD 8 = do not use
13 = do not use
25 = do not use TXD
(male) 15 = do not use
12 = do not use
25 24 = do not use
7
=
do
not
use
3
2
14 = do not use
TXD
11 = do not use
23 = do not use RXD
15 13 = do not use
6 = do not use
10 = do not use
5
22 = do not use GND 7
5
=
Logic
GND
12 = do not use
9 = do not use
21 = do not use
4
4 = do not use
11 = do not use
8 = do not use
20 = do not use RTS
3 = RXD (232C)
10 = do not use
7 = Signal GND
5
CTS
19
=
do
not
use
2 = TXD (232C) 1
6 = do not use
9 = do not use
18 = do not use
5 = CTS
1 = Frame GND
1
17 = do not use
4 = RTS
shield
16 = do not use
3 = RXD
2 = TXD
15 = do not use
1
1 = do not use
14 = do not use
Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

6-18

2

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EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

Cables from AutomationDirect - Wiring Diagrams (cont’d)
Allen-Bradley:

EA-MLOGIX-CBL
Allen-Bradley MicroLogix™ 1000/1100/1200/1400/1500
RS-232C (p/n EA-MLOGIX-CBL)

To AB MicroLogix RS-232
communication channel

Mini Din
8-pin Male
6
3

8

7
4

5

1 2

Wiring Diagram
0.290”

1 = do not use
2 = Sig GND
3 = do not use
4 = RXD
5 = do not use
6 = do not use
7 = TXD
8 = do not use

0.35”
DIA. Nonstandard

TXD
RXD
GND

7

3

4

2

2

5

TXD

1

shield

keying

RXD

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use
(male)
7 = do not use
15
6 = do not use
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C) 1
1 = Frame GND

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

EA-SLC-232-CBL
Allen-Bradley SLC 5-03/04/05, ControlLogix, CompactLogix,
FlexLogix, DF1, RS-232C (p/n EA-SLC-232-CBL)

To PLC
9-Pin Port

9-pin
D-sub
(female)
1 = do not use 1
2 = RXD
3 = TXD
4 = do not use
5 = Signal GND

9

Wiring Diagram
6 = do not use TXD
7 = do not use
8 = do not use RXD
9 = do not use GND

3

3

2

2

5

5
shield

1

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use (male)
7 = do not use
15
RXD 6 = do not use
5 = Logic GND
TXD
4 = do not use
3 = RXD (232C)
2 = TXD (232C) 1
1 = Frame GND

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

EA-PLC5-232-CBL
Allen-Bradley PLC5, DF1,
RS-232C (p/n EA-PLC5-232-CBL)

To PLC
25-Pin Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram
25-pin
15-pin
D-sub
D-sub
3 RXD 8 = do not use
13 = do not use (male) 25 = do not use TXD 2
(male) 15 = do not use
12 = do not use
25 24 = do not use
3
2 TXD 7 = do not use
14 = do not use
11 = do not use
23 = do not use RXD
15 13 = do not use
6 = do not use
10 = do not use
5
22 = do not use GND 7
5
=
Logic
GND
12 = do not use
9 = do not use
21 = do not use
1
4 = do not use
11 = do not use
8 = do not use
shield
20
=
do
not
use
3 = RXD (232C)
10 = do not use
7 = Signal GND
19 = do not use
2 = TXD (232C) 1
6 = do not use
9 = do not use
18 = do not use
5 = do not use
1 = Frame GND
17 = do not use
4 = do not use
16 = do not use
3 = RXD
2 = TXD
15 = do not use
1
1 = do not use
14 = do not use
Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

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Chapter 6: PLC Communications

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2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

Cables from AutomationDirect - Wiring Diagrams (cont’d)
Allen-Bradley:

EA-DH485-CBL
Allen-Bradley SLC500™, 5/01, /02, /03 DH-485
Point-to-Point
RS-485A (p/n EA-DH485-CBL)

To AB SLC500
DH-485 Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram

1 = TXD/RXD+
2 = TXD/RXD–
3 = do not use
4 = Signal GND
5 = LE
6 = do not use
7 = Signal GND
8 = do not use

RJ45 8-pin
Phone Plug
(8P8C)

TXD/RXD+
TXD/RXD–

1

13
9

2

10
11
12

LE *
GND
GND

5

6

4
7

Term.
RD+
RD–
SD+
SD–
LE *

5
shield

15-pin
D-sub
8 = do not use (male)
7 = do not use
15
6 = LE
5 = Logic GND
4 = do not use
3 = do not use
2 = do not use 1
1 = Frame GND

15 = do not use
14 = do not use
13 = Termination
12 = SD– (RS485)
11 = SD+ (RS485)
10 = RD– (RS485)
9 = RD+ (RS485)

* Note: The LE signal is wired in the cable
as shown, but not required for
point-to-point communications.

1

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19954 shielded cable or equivalent.

6-20

Allen-Bradley SLC500™, 5/01, /02, /03 DH-485/AIC to Multiple C-more 6” Micro-Graphic Panels
RS-485A (using C-more cable p/n EA-DH485-CBL)
Allen-Bradley
SLC 500 Modular
PLC Controller

DH-485 Link
(See manufacturer’s literature for details.)

Channel 1 must be
set to DH485.

DH-485

DH-485

Peripheral

Peripheral

J2

J2

CPU
J1

CPU
J1

Power

Power

AB 1747-AIC
DH485 Link Coupler
AB 1747-C11 A
Cable

AB 1747-AIC
DH485 Link Coupler

C-more
6” Micro-Graphic
Panel

C-more
6” Micro-Graphic
Panel

Port2

Port2

C-more
EA-DH485-CBL
Cable

C-more
EA-DH485-CBL
Cable

Note: The above diagram shows connecting multiple C-more Micro-Graphic panels to an Allen-Bradley DH485/AIC
network using the AB DH485 Link Coupler, p/n 1747-AIC. Select the “Allen-Bradly DH485/AIC SLC500 MircroLogix”
driver in the C-more Programming Software when starting the project. Also, set the AB channel configuration for DH485.

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

Cables from AutomationDirect - Wiring Diagrams (cont’d)
Allen-Bradley:
Allen-Bradley SLC500™ 5/03 DH-485/AIC to Multiple C-more 6” Micro-Graphic Panels
(using C-more cables p/n EA-MLOGIX-CBL, EA-SLC-232-CBL)
Allen-Bradley
SLC 5/03 Modular
PLC Controller

DH-485 Link
(See manufacturer’s literature for details.)

Channel 0 must be
set to DH485.

AB 1761-NET-AIC
AIC + Advanced
Interface Converter

C-more
6” Micro-Graphic
Panel

AB 1761-NET-AIC
AIC + Advanced
Interface Converter
C-more
EA-MLOGIX-CBL
Cable

C-more
6” Micro-Graphic
Panel

AB 1747-CP3
RS-232 Cable

To additional
C-more
Touch Panel
Port2
Port2

C-more
EA-MLOGIX-CBL
Cable

C-more
EA-SLC-232-CBL
Cable

Note: The above diagram shows connecting multiple C-more Micro-Graphic panels to an Allen-Bradley DH485/AIC network using the
AB AIC+ Advanced Interface Converter, p/n 1761-NET-AIC. Select the “Allen-Bradly DH485/AIC SLC500 MircroLogix” driver
in the C-more Micro Programming Software when starting the project. Also, set the AB channel configuration for DH485.

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

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Chapter 6: PLC Communications

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2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

Cables from AutomationDirect - Wiring Diagrams (cont’d)
EA-90-30-CBL

GE:
GE 90/30, 90/70, Micro 90 and VersaMax Micro (Port 2)
15-pin D-sub port, RS-422A (p/n EA-90-30-CBL)

To PLC
15-Pin Port

15-pin
D-sub
8 = CTS(B’)
7 = Logic GND (male)
15
6 = do not use
5 = +5V
4 = do not use
3 = do not use
2 = do not use
1 = do not use 1

Wiring Diagram
15 = CTS(A’)
14 = do not use
13 = SD(B)
12 = SD(A)
11 = RD(B’)
10 = RD(A’)
9 = do not use

SD(B) 13
SD(A) 12

9
10

RD(B’) 11
RD(A’) 10
GND
CTS(B’)
CTS(A’)
+5V

13

11
12
5

7

To C-more Micro-Graphic
Serial Port2

Term.
RD+

8 = do not use

RD– 7 = do not use

SD+ 6 = do not use

5 = Logic GND

SD– 4 = do not use

8
15

3 = do not use
2 = do not use
1 = Frame GND

15-pin
D-sub
(male) 15 = do not use
14 = do not use
15
13 = Termination
12 = SD– (RS422)
11 = SD+ (RS422)
10 = RD– (RS422)
1
9 = RD+ (RS422)

5
shield

1

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19853 shielded cable or equivalent.

EA-MITSU-CBL

Mitsubishi:
Mitsubishi FX Series 25-pin D-sub port,
RS-422A (p/n EA-MITSU-CBL)

To PLC
25-Pin Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram

13 Term.
15-pin
D-sub
9 RD+
25 = do not use SD+
(male)
8 = do not use
15 = do not use
25 24 = do not use SD– 16
10 RD– 7 = do not use
14 = do not use
23 = do not use
15
6
=
do
not
use
2
11
13 = Termination
SD+
22 = do not use RD+
5
=
Logic
GND
12 = SD– (RS422)
21 = do not use RD– 15
12 SD–
4 = do not use
11 = SD+ (RS422)
20 = do not use
5
7
3 = do not use
10 = RD– (RS422)
19 = do not use GND
2
=
do
not
use
1
9 = RD+ (RS422)
18 = do not use GND 4
1
=
Frame
GND
17 = do not use
1
shield
16 = SD– (RS422)
15 = RD– (RS422)
14 = do not use
Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19853 shielded cable or equivalent.
25-pin
D-sub
(male)

3

13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use
8 = do not use
7 = Signal GND
6 = do not use
5 = do not use
4 = Signal GND
3 = SD+ (RS422)
2 = RD+ (RS422) 1
1 = do not use

6-22

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EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

Cables from AutomationDirect - Wiring Diagrams (cont’d)
EA-MITSU-CBL-1

Mitsubishi:
Mitsubishi FX Series 8-pin MINI-DIN,
RS-422A (p/n EA-MITSU-CBL-1)

To PLC
8-Pin Port

1 = RD– (RS-422)
2 = RD+ (RS-422)
3 = Sig GND
4 = SD– (RS-422)
5 = do not use
6 = do not use
7 = SD+ (RS-422)
8 = do not use

Mini Din
8-pin Male
6
3

8

7
4
1 2

5

Wiring Diagram
SD+
SD–
RD+
RD–
GND

13

7

9

4

10

2

11

1

12

3

5
shield

1

Term.
RD+
RD–
SD+
SD–

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use
(male)
7 = do not use
15
6 = do not use
5 = Logic GND
4 = do not use
3 = do not use
2 = do not use
1
1 = Frame GND

15 = do not use
14 = do not use
13 = Termination
12 = SD– (RS422)
11 = SD+ (RS422)
10 = RD– (RS422)
9 = RD+ (RS422)

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19853 shielded cable or equivalent.

Omron:

EA-OMRON-CBL
Omron Host Link (C200 Adapter, C500),
RS-232C (p/n EA-OMRON-CBL)

To PLC
25-Pin Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram

25-pin
D-sub
(male)

15-pin
D-sub
3 RXD 8 = do not use
13 = do not use
25 = do not use TXD
15 = do not use
(male)
12 = do not use
25 24 = do not use
7
=
do
not
use
3
2
14 = do not use
TXD
11 = do not use
23 = do not use RXD
15
6 = do not use
13 = do not use
10 = do not use
5
22 = do not use GND 7
5
=
Logic
GND
12 = do not use
9 = do not use
21 = do not use
4
4
=
do
not
use
11 = do not use
8 = do not use
20 = do not use RTS
3 = RXD (232C)
10 = do not use
7 = Signal GND
5
CTS
19
=
do
not
use
2 = TXD (232C) 1
6 = do not use
9 = do not use
18 = do not use
5 = CTS
1 = Frame GND
1
17 = do not use
4 = RTS
shield
16 = do not use
3 = RXD
2 = TXD
15 = do not use
1
1 = do not use
14 = do not use
Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.
2

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Chapter 6: PLC Communications

Diagram 1

User Constructed

Direct LOGIC ZIPLink ZL-CMA15L Adapter Module to EA-COMCON-3 Terminal Block Adapter
RS-422A – PLC D2-250 (-1), D2-260 or DL06 – Port 2
C-more Micro-Graphic
Serial Port2

RS-232 RXD

Wiring Diagram

RS-232 TXD
+5V

TERMINATE

RXD

TXD

232

RXD

SG

TX+

TX-

RX-

RX+

+5V

TXD
RS422/485

GND

SIGNAL GND

ZL-CMA15L

RS-422/485 RX–

SD–

RS-422/485 TX–

SD+

RS-422/485 RX+

RD–

RS-422/485 TX+

RD+

shield

TERM

EA-COMCON-3

See ZL-CMA15L specifications on
termination resistor jumper.

ZL-CMA15L

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19954 shielded cable or equivalent.

User Constructed

Diagram 2

Direct LOGIC ZIPLink ZL-CMA15L Adapter Module to EA-COMCON-3 Terminal Block Adapter
RS-485A – PLC D2-260 or DL06 – Port 2
C-more Micro-Graphic
Serial Port2

RS-232 RXD

Wiring Diagram

RS-232 TXD
+5V

TERMINATE

RXD

RXD

232

TXD

SG

TX+

TX-

RX-

+5V

TXD
RS422/485

GND

SIGNAL GND

ZL-CMA15L

RX+

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

User Constructed Cables – Wiring Diagrams

RS-422/485 RX–

SD–

RS-422/485 TX–

SD+

RS-422/485 RX+

RD–

RS-422/485 TX+

RD+

shield

TERM

EA-COMCON-3

See ZL-CMA15L specifications on
termination resistor jumper.

ZL-CMA15L

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19853 shielded cable or equivalent.

6-24

NOTE: The RS-422 and RS-485 wiring diagrams shown above are not for multi-drop networks involving
connecting more than one PLC to a panel. Refer to the wiring diagram examples starting on page 6-34 if
more than one PLC will be connected to a panel.

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EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

User Constructed Cables – Wiring Diagrams (cont’d)
Diagram 3

User Constructed
Direct LOGIC D4-430/D4-440/D4-450 Port 1
and D3-350 Port 2, all RS-422A

To PLC
25-Pin Port

13 = do not use
12 = do not use
11 = CTS+
10 = RXD–
(RS422)
9 = RXD+
(RS422)
8 = do not use
7=0V
6 = do not use
5 = do not use
4 = do not use
3 = do not use
2 = do not use
1 = do not use

Wiring Diagram

25-pin
D-sub
(male)

1

25 = do not use
24 = do not use
25 23 = CTS–
22 = do not use
21 = do not use
20 = do not use
19 = RTS+
18 = RTS–
17 = do not use
16 = TXD–
(RS422)
15 = do not use
14 = TXD+
(RS422)

TXD+
TXD–
RXD+
RXD–
0V
RTS–
CTS–
RTS+
CTS+

14

13
9

16

10

9

11

10

12

7

5

18
23

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use (male) 15 = do not use
RD– 7 = do not use
14 = do not use
15
6 = do not use
13 = Termination
SD+
5 = Logic GND
12 = SD– (RS422)
SD– 4 = do not use
11 = SD+ (RS422)
3 = do not use
10 = RD– (RS422)
2 = do not use 1
9 = RD+ (RS422)
1 = Frame GND
Term.
RD+

19
11
shield

1

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19853 shielded cable or equivalent.

Diagram 4

User Constructed
Direct LOGIC D4-450 Port 3
RS-422A

To PLC
25-Pin Port

To C-more Micro-Graphic
Serial Port2

RTS and CTS are not present on this port.

13 = TXD–
(RS422)
12 = TXD+
(RS422)
11 = do not use
10 = do not use
9 = do not use
8 = do not use
7=0V
6 = do not use
5 = do not use
4 = do not use
3 = do not use
2 = do not use
1 = do not use

25-pin
D-sub
(male)

1

25 = RXD–
(RS422)
24 = RXD+
25
(RS422)
23 = do not use
22 = do not use
21 = do not use
20 = do not use
19 = do not use
18 = do not use
17 = do not use
16 = do not use
15 = do not use
14 = do not use

Wiring Diagram
TXD+
TXD–
RXD+
RXD–
0V

12

13
9

13

10

24

11

25

12

7

5
shield

1

15-pin
D-sub
(male)
8 = do not use
15 = do not use
RD– 7 = do not use
14 = do not use
15
6 = do not use
13 = Termination
SD+
5 = Logic GND
12 = SD– (RS422)
SD– 4 = do not use
11 = SD+ (RS422)
3 = do not use
10 = RD– (RS422)
2 = do not use 1
9 = RD+ (RS422)
1 = Frame GND
Term.
RD+

Note: Use the above wiring diagram to make your own cable. We recommend using AutomationDirect p/n L19853 shielded cable or equivalent.

NOTE: The RS-422 wiring diagram shown above is not for multi-drop networks involving connecting more
than one PLC to a panel. Refer to the wiring diagram examples starting on page 6-34 if more than one PLC
will be connected to a panel.

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Chapter 6: PLC Communications

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2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

User Constructed Cables – Wiring Diagrams (cont’d)
User Constructed

Diagram 5
Direct LOGIC D2-DCM*, D3-DCM* & D4-DCM*
RS-422A

To PLC
25-Pin Port

To C-more Micro-Graphic
Serial Port2
*Note: The DCM modules must be set for:
Direct NET Slave, HEX mode.

Wiring Diagram
13 Term.
15-pin
25 = do not use
D-sub
24 = do not use TXD+ 14
9 RD+
(male) 15 = do not use
8
=
do
not
use
23 = do not use
15
10
RD– 7 = do not use
14 = do not use
25 22 = do not use TXD–
15
13 = Termination
11 SD+ 6 = do not use
21 = do not use RXD+ 17
5
=
Logic
GND
12 = SD– (RS422)
20 = do not use
12 SD– 4 = do not use
16
RXD–
11 = SD+ (RS422)
19 = do not use
3
=
do
not
use
7
5
10 = RD– (RS422)
18 = do not use
0V
2 = do not use 1
9 = RD+ (RS422)
17 = RXD+
11
RTS–
1
=
Frame
GND
(RS422)
13
16 = RXD–
CTS–
(RS422)
RTS+ 10
15 = TXD–
1
CTS+ 12
(RS422)
1
14 = TXD+
shield
(RS422)
Note: Use the above wiring diagram to make your own cable. We recommend using AutomationDirect p/n L19853 shielded cable or equivalent.
13 = CTS–
12 = CTS+
11 = RTS–
10 = RTS+
9 = do not use
8 = do not use
7=0V
6 = do not use
5 = do not use
4 = do not use
3 = do not use
2 = do not use
1 = do not use

25-pin
D-sub
(male)

NOTE: The RS-422 wiring diagram shown above is not for multi-drop networks involving connecting more
than one PLC to a panel. Refer to the wiring diagram examples starting on page 6-34 if more than one PLC
will be connected to a panel.

User Constructed

Diagram 6

Omron FINS (CQM1, CPM1, CPM2, C200, CJ1 & CS1)
RS-232C

To PLC
9-Pin Port

9-pin
D-sub
(male)
1 = do not use
2 = TXD
3 = RXD
4 = RTS
1
5 = CTS

6-26

9

Wiring Diagram
6 = do not use TXD
7 = do not use
8 = do not use RXD
9 = Signal GND SG
RTS
CTS

2

3

3

2

9

5

4
5
shield

RXD
TXD

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use (male)
7 = do not use
6 = do not use
15
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C)
1 = Frame GND 1

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

1

Note: Use the above wiring diagram to make your own cable. We recommend using 22 AWG shielded cable.

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

User Constructed Cables – Wiring Diagrams (cont’d)
Diagram 7

User Constructed
Omron Host Link CQM1 using
CQM1-CIF02 Peripheral Port Connecting Cable
RS-232C

To Peripheral
Port Cable

9-pin
D-sub
(male)
1 = do not use
2 = RXD
3 = TXD
4 = do not use
5 = Signal GND 1

9

Wiring Diagram
6 = do not use TXD
7 = do not use
8 = do not use RXD
9 = do not use GND

3

3

2

2

5

5
shield

RXD
TXD

1

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use
(male)
7 = do not use
6 = do not use
15
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C)
1 = Frame GND 1

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram to make your own cable. We recommend using 22 AWG shielded cable.

Diagram 8

User Constructed
Modicon™ ModBus™, 984 CPU, Quanum 113 CPU
RS-232C

To PLC
9-Pin Port

9-pin
D-sub
(male)
1 = do not use
2 = RXD
3 = TXD
4 = DTR
5 = Signal GND 1

9

Wiring Diagram
6 = DSR
7 = RTS
8 = CTS
9 = do not use

TXD
RXD
GND
DTR
DSR
RTS
CTS

3

3

2

2

5

5

4
6
7

RXD
TXD

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use (male)
7 = do not use
15
6 = do not use
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C) 1
1 = Frame GND

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

8
shield

1

Note: Use the above wiring diagram to make your own cable. We recommend using 22 AWG shielded cable.

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6-27

Chapter 6: PLC Communications

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

User Constructed Cables – Wiring Diagrams (cont’d)
User Constructed

Diagram 9

AEG Modicon™ Micro Series:
110 CPU 311-xx, 110 CPU 411-xx, 110 CPU 512-xx, 110 CPU 612-xx
RS-232C

To PLC
9-Pin Port

9-pin
D-sub
(female)
1 = do not use 1
2 = TXD
3 = RXD
4 = do not use
5 = Signal GND

Wiring Diagram

6 = do not use
7 = do not use
8 = do not use
9 = do not use
9

TXD
RXD
GND

2

3

3

2

5

5
shield

RXD
TXD

1

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use (male)
7 = do not use
6 = do not use
15
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C)
1 = Frame GND 1

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram to make your own cable. We recommend using 22 AWG shielded cable.

User Constructed

Diagram 10
Modicon™ ModBus™ with RJ45
RS-232C

To PLC
RJ45 Port

1 = do not use
2 = do not use
3 = TXD
4 = RXD
5 = Logic GND
6 = RTS
7 = CTS
8 = do not use

6-28

RJ45 8-pin
Phone Plug
(8P8C)

Wiring Diagram
TXD
RXD
GND
RTS
CTS

3

3

4

2

5

5

6
7
shield

1

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
(male)
8 = do not use
TXD 7 = do not use
15
6 = donot use
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C) 1
1 = Frame GND
RXD

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram to make your own cable. We recommend using 22 AWG shielded cable.

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

User Constructed Cables – Wiring Diagrams (cont’d)
Diagram 11

User Constructed
GE VersaMax Micro Port 1
RS-232C

To PLC
RJ45 Port 1

RJ45 8-pin
Phone Plug
(8P8C)

1 = RTS
2 = CTS
3 = RXD
4 = TXD
5 = DCD
6 = DTR
7 = +5V
8 = GND

To C-more Micro-Graphic
Serial Port2

Wiring Diagram
TXD
RXD
GND

4

3

3

2

8

5
shield

1

8 = do not use

RXD 7 = do not use

15-pin
D-sub
(male)

TXD 6 = donot use
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C) 1
1 = Frame GND

15 = do not use

15 14 = do not use

13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram to make your own cable. We recommend using 22 AWG shielded cable.

User Constructed

Diagram 12
Siemens S7-200 CPU Port 0 or 1
RS-485A

To PLC
9-Pin Port

Wiring Diagram

9-pin
D-sub
(male)
1 = Logic Com
2 = Logic Com
3 = RS485 Sig B
4 = do not use
5 = Logic Com
1

9

13

RS-485
Signal B

3

9

6 = +5 VDC
RS-485
7 = +24 VDC
Signal A
8 = RS485 Sig A
9 = do not use
Logic

8

10

Common

11
12
5

5
shield

1

Term.
RD+
SD+
RD–
SD–

To C-more Micro-Graphic
Serial Port 2

15-pin
D-sub
(male)
8 = do not use
15 = do not use
7 = do not use
14 = do not use
15
6 = do not use
13 = Termination
5 = Logic GND
12 = SD– (RS485)
4 = do not use
11 = SD+ (RS485)
3 = do not use
10 = RD– (RS485)
2 = do not use 1
9 = RD+ (RS485)
1 = Frame GND

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect L19954 shielded cable or equivalent.

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Chapter 6: PLC Communications

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

User Constructed Cables – Wiring Diagrams (cont’d)
User Constructed

Diagram 13
Mitsubishi Q / QnA Serial PLC
QJ71C24N
RS-232C

To PLC
9-Pin Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram
CD

9-pin
D-sub
(female)
1
1 = CD
2 = RXD
3 = TXD
4 = DTR
5 = Signal GND

DTR
DSR
RS
6 = DSR
7 = RS
CS
8 = CS
9 = do not use TXD

9

RXD
GND

1
4
6
7
8
3

3

2

2

5
shield

5
1

15-pin
D-sub
8 = do not use (male)
7 = do not use
15
6 = do not use
5 = Logic GND
4 = do not use
RXD
3 = RXD (232C)
TXD 2 = TXD (232C)
1
1 = Frame GND

15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use

Note: Use the above wiring diagram if you need to make your own cable. We recommend using 22 AWG shielded cable.

User Constructed

Diagram 14

Mitsubishi Q02 / Q02H / Q06H / Q12H / Q25H Serial Driver
and QnA Serial Driver with Direct Connection to
the Serial Port on Q00 and Q01 CPU’s
RS-232C

To PLC
6-Pin Port

1 = RXD (232C)
2 = TXD (232C)
3 = Logic GND
4 = do not use
5 = do not use
6 = do not use

6-30

Mini Din
6-pin Male

Wiring Diagram
TXD

2

3

1

2

8 = do not use
7 = do not use

RXD 6 = donot use

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
(male)

15 = do not use

15 14 = do not use

13 = do not use
12 = do not use
4
=
do
not
use
11 = do not use
5
3
4
GND 3
3 = RXD (232C)
10 = do not use
1
1
1 2
2 = TXD (232C)
9 = do not use
shield
1 = Frame GND
Note: Use the above wiring diagram to make your own cable. We recommend using 22 AWG shielded cable.
5

6

®

RXD

TXD 5 = Logic GND

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

User Constructed Cables – Wiring Diagrams (cont’d)
Diagram 15

User Constructed
Allen Bradley PLC5 DF1
RS-422

To PLC
25-Pin Port

To C-more Micro-Graphic
Serial Port2

Wiring Diagram

25-pin
D-sub
(male)

15-pin
D-sub
10 RD – 8 = do not use
13 = do not use
25 = do not use TXD + 2
(male) 15 = do not use
12 = do not use
25 24 = do not use
7
=
do
not
use
12
3
14 = do not use
SD –
11 = do not use
23 = do not use RXD +
15 13 = do not use
6 = do not use
10 = do not use
5
7
22 = do not use GND
5 = Logic GND
12 = SD –
9 = do not use
21 = do not use
9 RD + 4 = do not use
11 = SD +
8 = do not use
TXD – 14
20 = do not use
3
=
do
not
use
10 = RD –
7 = Signal GND
11 SD +
16
19
=
do
not
use
RXD
–
2 = do not use 1
6 = do not use
9 = RD +
18 = do not use
5 = do not use
1 = Frame GND
1
17 = do not use
4 = do not use
shield
16 = RXD –
3 = RXD +
2 = TXD +
15 = do not use
1
1 = do not use
14 = TXD –
Notes:
1. Polarities must be swapped.
2. Handshaking is turned off
3. Use the above wiring diagram to make your own cable. We recommend using AutomationDirect p/n L19853 shielded cable or equivalent.
4. Refer to the PLC-5 Programmable Controllers User Manual Switch Setting Reference for details on switch settings to define
the controller's serial port electrical interface.

Diagram 16

User Constructed
AutomationDirect CLICK PLC
Analog CPU
RS-485

CLICK
Com Port 3

Wiring Diagram

RS-485 Signal A
RS-485 Signal B
Logic Ground

RS-485
Signal A

+
LG

3

13
9

Term.

11

RS-485
Signal B

8

10

Logic
Ground

5

12
5
shield

1

To C-more Micro-Graphic
Serial Port2

Term.
RD+
SD+
RD–
SD–

15-pin
D-sub
(male)
8 = do not use
15 = do not use
7 = do not use
14 = do not use
15
6 = do not use
13 = Termination
5 = Logic GND
12 = SD– (RS485)
4 = do not use
11 = SD+ (RS485)
3 = do not use
10 = RD– (RS485)
2 = do not use 1
9 = RD+ (RS485)
1 = Frame GND

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19954 shielded cable or equivalent.
Use 120 ohm resistors as termination resistors (Term.)

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

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7
8
9
10
11
12
13
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Chapter 6: PLC Communications

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

User Constructed Cables – Wiring Diagrams (cont’d)
Diagram 17

User Constructed
AutomationDirect Productivity PAC
RS-485

Removable Connector
included with
Productivity3000 CPU

Wiring Diagram
TXD+ / RXD+
TXD+ / RXD+
TXD- / RXDGround

+
G

3

13
9

Term.

11

TXD- / RXD-

8

10

Ground

5

12
5
shield

Term.
RD+
SD+
RD–
SD–

1

To C-more Micro-Graphic
Serial Port2

15-pin
D-sub
8 = do not use (male) 15 = do not use
7 = do not use
14 = do not use
15
6 = do not use
13 = Termination
5 = Logic GND
12 = SD– (RS485)
4 = do not use
11 = SD+ (RS485)
3 = do not use
10 = RD– (RS485)
2 = do not use 1
9 = RD+ (RS485)
1 = Frame GND

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19954 shielded cable or equivalent.
Use 120 ohm resistors as termination resistors (Term.)

User Constructed

Diagram 18
GS Serial Drive Connection via RS-485
Wiring Diagram
GS Drives RS-485
Serial Comm. Port

6

1

C-more Micro-Graphic
Serial Port2

2: GND

GND

3: SG –

RD–
SD–
SD+

4: SG +

RD+

shield

TERM

EA-COMCON-3
Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19772 shielded cable or equivalent.

6-32

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

User Constructed Cables – Wiring Diagrams (cont’d)
User Constructed

Diagram 19

Multiple GS Drives Connected to One C-more Micro-Graphic panel (RS-485)
GS3
GS Drive 6-Pin
RJ12 port

GS1
GS Drive 6-Pin
RJ12 port

*

*

*
GS2
GS Drive 6-Pin
RJ12 port

TB1

To C-more Micro-Graphic
EA-MG-SP1 Serial Port
with DC Power Adapter

Wiring Diagram

6

GND

5

RD –

4

SD –

3

SD +
RD +

2

shield

1

TERM

EA-COMCON-3
*Connect with GS-485RJ12-CBL-2 cable

Notes: 1. The terminal connections at the ZL-CDM-RJ12X4 are different for multi-drop networks than for the direct
drive to panel connection.
2. Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L19954 shielded cable or equivalent.

User Constructed

Diagram 20

SOLO Temperature Controller to C-more Micro-Graphic Panel (RS-485)
SL4824 Series
RS-485
DATA + DATA –

11

C-more Micro-Graphic
Serial Port2

Wiring Diagram

12

GND

SL4848 Series
DATA –

RD –

DATA –

9

SD –

RS-485

DATA +

10

SD +

DATA +

RD +

shield

SL4896 Series
SL9696 Series

TERM

EA-COMCON-3

DATA –

1

RS-485

2
DATA +

Note: Use the above wiring diagram to make your own cable. We recommend AutomationDirect p/n L199772 shielded cable or equivalent.

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

6-33

Chapter 6: PLC Communications

DL06 and DL205 used for illustration purposes

DirectLOGIC
DL205 PLC

DirectLOGIC
DL06 PLC

Port 2
(Slave)

ZL-CMA15L
RXD

Cable Adapter
(ZL-CMA15L shown)

Port 2

TXD
RXD

TX+

TX-

SG

RX-

RX+

+5V

TXD

232

RS422/485

(Slave)
Shielded Cable

ZL-CMA15L
RXD
TXD
TXD

TX-

TX+

SG

RX-

RX+

RXD

232

RS422/485

+5V

Cable Adapter
(ZL-CMA15L shown)

When connecting to a DirectLogic PLC
use connector ZL-CMA15L or ZL-CMA15
Shielded Cable

CTS–

RTS–

6

CTS+

9

RTS+

RXD–

10

RXD+

GND
7

13 11 14 12 15

TXD–

CTS–

CTS+

RTS+

6

RXD+

9

To D2-250-1 PLC port 2
Used as example
TXD+

10

TXD+

7

RXD–

GND

To DL06 PLC port 2
Used as example

RTS–

Notes: 1. We recommend Belden 8103 shielded cable or equivalent.
2. Wiring Diagram for this example, ZL-CMA15(L)

TXD–

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

RS-422A Multi-Drop Wiring Diagram Example

13 11 14 12 15

*

15-pin
HD D-sub
8 = do not use (male) 15 = CTS–
7 = Sig GND
14 = CTS+
15
6 = RXD–
13 = RXD+
5 = do not use
12 = RTS4 = do not use
11 = RTS+
3 = do not use 1
10 = TXD–
6
2 = do not use
9 = TXD+
1 = do not use
HD = High Density

8
7
6
5
4
3
2
1

RXD+

RXD+

RXD–

RXD–
TXD+

TXD+

TXD–

TXD–
Signal GND

shield

Signal GND

* Termination resistors required at both ends of the
network receive data signals to match the impedance
of the cable (between 100 and 500 ohms).

Typical RS-422 Multi-Drop Wiring Diagram
using DirectLogic pin numbers to illustrate

6-34

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

RS-422A Multi-Drop Wiring Diagram Example (cont’d)
DL06 and DL205 used for illustration purposes

GIC
LC

DirectLOGIC
DL06 PLC

C-more
6” Micro-Graphic
Panel
with
EA-COMCON-3

Port2

(Master)

(Slave)

Port 2

Shielded Cable
ZL-CMA15L
RXD
TXD
RXD

TX+

TX-

SG

RX-

RX+

+5V

TXD

232

RS422/485

Shielded Cable

Cable Adapter
(ZL-CMA15L shown)
When connecting to a DirectLogic PLC
use connector ZL-CMA15L or ZL-CMA15

Notes: 1. We recommend Belden 8103 shielded cable or equivalent.
2. Wiring Diagram for this example, ZL-CMA15(L)

5

13 11 14 12 15

15-pin
HD D-sub
8 = do not use (male) 15 = CTS–
7 = Sig GND
14 = CTS+
15
6 = RXD–
13 = RXD+
5 = do not use
12 = RTS4 = do not use
11 = RTS+
3 = do not use 1
10 = TXD–
6
2 = do not use
9 = TXD+
1 = do not use
HD = High Density

15-pin
8 = do not use D-sub
7 = do not use (male)
15
6 = do not use
5 = Logic GND
4 = do not use
3 = do not use
2 = do not use 1
1 = Frame GND

RXD+

9

Term.

*

12 11 13

SHD

SD–

SD+

RD–
10

RD+

EA-COMCON-3

GND

To C-more Micro-Graphic
Serial Port2
CTS–

RTS–

CTS+

6

RTS+

9

RXD+

TXD+

10

RXD–

GND
7

TXD–

To DL06 PLC port 2
Used as example

1

15 = do not use
14 = do not use
13 = Termination
12 = SD– (RS422)
11 = SD+ (RS422)
10 = RD– (RS422)
9 = RD+ (RS422)

RXD+

RXD–

RXD–

TXD+

TXD+

TXD–

TXD–

Signal GND

shield

Signal GND

shield
Termination resistors required at both ends of the
* network
receive data signals to match the impedance

of the cable (between 100 and 500 ohms). Jumper pin

to 9 on the C-more 6” Micro-Graphic Serial Port2
Typical RS-422 Multi-Drop Wiring Diagram (cont’d) 13
15-pin connector to place the 120 internal resistor

using DirectLogic pin numbers to illustrate

®

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

into the network. If the cable impedance is different,
then use an external resistor matched to the cable
impedance.

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

6-35

Chapter 6: PLC Communications

DL06 and DL205 used for illustration purposes

DirectLOGIC
DL205 PLC

DirectLOGIC
DL06 PLC

Port 2

(Slave)

(Slave)

ZL-CMA15L
RXD

ZL-CMA15 or
ZL-CMA15L

TXD
TX+

TXD

TX-

SG

RX-

RX+

+5V

RXD

232

RS422/485

Port 2
Shielded Cable

ZL-CMA15L
RXD
TXD
TXD

TX-

TX+

SG

RX-

RX+

RXD

232

RS422/485

+5V

Cable Adapter
(ZL-CMA15L shown)

When connecting to a DirectLogic PLC
use connector ZL-CMA15L or ZL-CMA15
Shielded Cable

Notes: 1. We recommend Belden 9842 shielded cable or equivalent.
2. Wiring Diagram for this example, ZL-CMA15(L)

11 14 12 15

10 13

9

CTS–

RTS–

CTS+

TXD+

6

RTS+

7

TXD–

GND

CTS–

RTS–

CTS+

TXD+
9

RXD–

10 13

RTS+

TXD–

6

RXD+

GND
7

RXD+

To D2-250-1 PLC port 2
Used as example

To DL06 PLC port 2
Used as example
RXD–

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

RS-485A Multi-Drop Wiring Diagram Example

11 14 12 15

*

15-pin
HD D-sub
8 = do not use (male) 15 = CTS–
7 = Sig GND
14 = CTS+
15
6 = RXD–
13 = RXD+
5 = do not use
12 = RTS4 = do not use
11 = RTS+
3 = do not use 1
10 = TXD–
6
2 = do not use
9 = TXD+
1 = do not use
HD = High Density
TXD+ / RXD+

TXD+ / RXD+

TXD– / RXD–

TXD– / RXD–

Signal GND

* Termination resistors required at both ends of
the network to match the impedance of the cable
(between 100 and 500 ohms).

6-36

8
7
6
5
4
3
2
1

shield

Signal GND

Typical RS-485 Multi-Drop Wiring Diagram
using DirectLogic pin numbers to illustrate

®

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

Chapter 6: PLC Communications

RS-485A Multi-Drop Wiring Diagram Example (cont’d)
DL06 and DL205 used for illustration purposes

GIC
LC

DirectLOGIC
DL06 PLC

C-more
6” Micro-Graphic
Panel
with
EA-COMCON-3

Port2

(Slave)

(Master)

Shielded Cable

Port 2
Cable Adapter
(ZL-CMA15L shown)

ZL-CMA15L
RXD
TXD
RXD

TX+

TX-

SG

RX-

RX+

+5V

TXD

232

RS422/485

Shielded Cable

When connecting to a DirectLogic PLC
use connector ZL-CMA15L or ZL-CMA15

Notes: 1. We recommend Belden 9842 shielded cable or equivalent.
2. Wiring Diagram for this example, ZL-CMA15(L)

10 13

11 14 12 15

15-pin
HD D-sub
8 = do not use (male)
15 = CTS–
7 = Sig GND
14 = CTS+
15
6 = RXD–
13 = RXD+
5 = do not use
12 = RTS4 = do not use
11 = RTS+
3 = do not use 1
10 = TXD–
6
2 = do not use
9 = TXD+
1 = do not use
HD = High Density

5

9

Term.

*

11 13

SHD

SD+

RD+

SD–

10 12

1

15-pin
8 = do not use D-sub 15 = do not use
7 = do not use (male) 14 = do not use
15 13 = Termination
6 = do not use
5 = Logic GND
12 = SD– (RS485)
4 = do not use
11 = SD+ (RS485)
3 = do not use
10 = RD– (RS485)
2 = do not use 1
9 = RD+ (RS485)
1 = Frame GND

TXD+ / RXD+

TXD+ / RXD+

TXD– / RXD–

TXD– / RXD–

Signal GND

GND

CTS–

RTS–

CTS+

TXD+
9

RTS+

TXD–

6

RXD+

GND

RXD–

7

EA-COMCON-3

RD–

To C-more Micro-Graphic
Serial Port2

To DL06 PLC port 2
Used as example

shield

Signal GND

shield
Termination resistors required at both ends of the
*network
receive data signals to match the impedance

Typical RS-485 Multi-Drop Wiring Diagram (cont’d)
using DirectLogic pin numbers to illustrate
®

of the cable (between 100 and 500 ohms). Jumper pin
13 to 9 on the C-more 6” Micro-Graphic Serial Port2
15-pin connector to place the 120 internal resistor
into the network. If the cable impedance is different,
then use an external resistor matched to the cable
impedance.

EA1-TCL-M Hardware User Manual, 2nd Ed. Rev. B, 08/17

1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D

6-37



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