Siemens S7 SiemensTCPIPe To The Manual 22479e44 0323 485d 9ee3 1607bb57fdad

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Siemens AG
SIMATIC S7 Ethernet
04/2010

www.schneider-electric.com

Table of Contents

Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
About the Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 1 SIMATIC S7 Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . .

5
7
9

System Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supported Device Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Consecutive Equipment Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . .
I/O Manager Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Device Address Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10
12
15
16
17
20

Safety Information

Important Information
NOTICE
Read these instructions carefully, and look at the equipment to become familiar with
the device before trying to install, operate, or maintain it. The following special
messages may appear throughout this documentation or on the equipment to warn
of potential hazards or to call attention to information that clarifies or simplifies a
procedure.
The addition of this symbol to a Danger or Warning safety label
indicates that an electrical hazard exists, which will result in
personal injury if the instructions are not followed.
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that follow this
symbol to avoid possible injury or death.

DANGER
DANGER indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury.

WARNING
WARNING indicates a potentially hazardous situation, which, if not
avoided, can result in death, serious injury, or equipment damage.

CAUTION
CAUTION indicates a potentially hazardous situation, which, if not
avoided, can result in injury or equipment damage.

PLEASE NOTE
Electrical equipment should be installed, operated, serviced, and maintained only by
qualified personnel. No responsibility is assumed by Schneider Electric for any
consequences arising out of the use of this material.
A qualified person is one who has skills and knowledge related to the construction
and operation of electrical equipment and the installation, and has received safety
training to recognize and avoid the hazards involved.
© 2010 Schneider Electric. All Rights Reserved.

About the Book

At a Glance
Document Scope
This manual describes the device driver communication settings in the VijeoDesigner screen editing software. Vijeo-Designer enables you to design Magelis
target machines that communicate with PLCs, drives, field devices, and other
equipment.
For more information about Vijeo-Designer and Magelis target machines, please
refer to Vijeo-Designer user documentation.
Validity Note
The data and illustrations found in this book are not binding. We reserve the right to
modify our products in line with our policy of continuous product development. The
information in this document is subject to change without notice and should not be
construed as a commitment by Schneider Electric.
Documentation Conventions
Target Machine: Human-Machine Interface (HMI) that runs user applications
designed in Vijeo-Designer screen editing software. A target machine is also known
as a terminal.

Product Related Information

WARNING
LOSS OF CONTROL
z

z
z

The designer of any control scheme must consider the potential failure modes
of control paths and, for certain critical control functions, provide a means to
achieve a safe state during and after a path failure. Examples of critical control
functions are emergency stop and overtravel stop.
Separate or redundant control paths must be provided for critical control
functions.
System control paths may include communication links. Consideration must be
given to the implications of unanticipated transmission delays or failures of the
link.*
Each implementation of a Magelis XBTGT, HMISTO, HMISTU, XBTGH,
XBTGK, XBTGC, iPC, and XBTGTW must be individually and thoroughly tested
for proper operation before being placed into service.

Failure to follow these instructions can result in death, serious injury, or
equipment damage.
* For additional information, refer to NEMA ICS 1.1 (latest edition), “Safety
Guidelines for the Application, Installation, and Maintenance of Solid State Control.“
User Comments
We welcome your comments about this document. You can reach us by e-mail at
techcomm@schneider-electric.com.

SIMATIC S7 Ethernet

1
Subject of this Chapter
This chapter explains the SIMATIC S7 Ethernet.
What's in this Chapter?
This chapter contains the following topics:
Topic

Page

System Structure

Supported Device Addresses

Consecutive Equipment Addresses

I/O Manager Configuration

Equipment Configuration

Device Address Configuration

SIMATIC S7 Ethernet

System Structure
Overview
The following table describes the basic system setup for connecting the target
machine to Siemens S7-200/300/400 Series PLCs over a network.
Connection
Series
SIMATIC S7-200
Series

SIMATIC S7300Series

SIMATIC S7-400
Series

CPU
CPU222
CPU224
CPU224 XP
CPU226
CPU312IFM
CPU313
CPU314
CPU314IFM
CPU315
CPU315-2 DP
CPU316
CPU316-2 DP
CPU318-2
CPU 315-2 PN/DP
CPU 317-2 PN/DP
CPU 319-3 PN/DP
CPU 315-2 PN/DP
CPU 317-2 PN/DP
CPU 319-3 PN/DP
CPU412-1
CPU412-2 DP
CPU413-1
CPU413-2 DP
CPU414-1
CPU414-2 DP
CPU414-3 DP
CPU416-1
CPU416-2 DP
CPU416-3 DP
CPU417-4
CPU 414-3 PN/DP
CPU 416-3 PN/DP
CPU 414-3 PN/DP
CPU 416-3 PN/DP

Ethernet Module
CP 243-1 IT
CP 243-1

CP 343-1 IT
CP 343-1*1

Ethernet Interface on
*3
CPU

CP 443-1 IT
CP 443-1

Ethernet Interface on
CPU

*1 PLC supports a maximum of 16 connections. Because 2 connections are
required for each target machine, one for Fetch and one for Write, the PLC can
support up to 8 target machines.
10

SIMATIC S7 Ethernet

*2 PLC supports a maximum of 64 connections. Because 2 connections are
required for each target machine, one for Fetch and one for Write, the PLC can
support up to 32 target machines.
*3 The direct connection to the Ethernet Interface on these CPUs only supports the
“OP Communication” type. The FETCH/WRITE protocol will not work.

Note:
z

Use a 100BASE-TX connection for iPC Series, XBTGTW Series, XBTGK
Series, XBTGC2000 Series or higher, XBTGT2000 Series or higher,
XBTGH2000 Series, XBTGT1005 Sereis, and HMISTU Series target machines.

SIMATIC S7 Ethernet

Supported Device Addresses
Overview

WARNING
UNINTENDED EQUIPMENT OPERATION
Design your system to avoid conflicting write processes between the target
machine and PLC program. Values on the PLC and target machine will be
incorrect if:
z
z

The target machine and PLC program attempt to simultaneously write to the
same register.
PLC programs or other devices write 16-bit word values to registers being
accessed in a bitwise manner.

Failure to follow these instructions can result in death, serious injury, or
equipment damage.
The following tables list the device address ranges you can enter from the Device
Address keypad.
For actual device address ranges supported by the PLC, refer to the corresponding
PLC manual.
Fetch/Write
Device
Input

Bit Address*1
I00000.0-I65535.7

W ord Address
IW00000-IW65534

Output

Q00000.0-Q65535.7

QW00000-QW65534

Marker*2

M00000.0-M65535.7

MW00000-MW 65534*7
DB00001.DBW00000 -

* 2*6

DB00001.DBX00000.0 DB00255.DBX16383.7

Data Block

Timer W ord*3*4*5
Counter Word

*3*4*5

—
—

16 bit

32 bit

H/L*8

*7
*7

DB00255.DBW16382
T00000-T65535

C00000-C65535

SIMATIC S7 Ethernet

*6 Data blocks are created by the user. Available addresses depend on what the
user has created.
*7 PLC word addresses defined for integer, float, and string variables must be
even-numbered. i.e., IW5 is not a valid device address for an integer variable.
Must be either IW4 or IW6.
*8 16-bit and 32-bit data, High and Low, refer to data as defined in the following
examples.

S7-300/400 Series
Device

Bit Address* 1

Word Address

I00000.0-I00127.7
or
Input

E00000.0-E00127.7

IW00000-IW00126
or
*2

Q00000.0-Q00127.7
or
Output

A00000.0-A00127.7

Marker

M00000.0-M00255.7
*6

Data Block
*3*4* 5

Timer

* 3*4*5

Counter

bit

DB00001.DBX00000.0 DB00255.DBX65535.7

bit

EW00000-EW00126

*2* 7

QW00000-QW00126
or
AW00000-AW00126

*2* 7

MW00000-MW 00254 *7
DB00001.DBW00000 -

—

DB00255.DBW65534
T00000-T00255
C00000-C00255
or

—

Z00000-Z00255

H/L

*1 Read-modify-write. When you write to one of these bit addresses, the target
machine reads the entire word address, sets the defined bit, then returns the new
value to the PLC. If the ladder program writes data to this word address during
the bit read/write process, the resulting data may be incorrect.
*2 German variable name.
*3 Timers and Counters (T&C Devices) store special information in the top 4 bits
(time base, counter up/down status etc...). The actual timer current value is
stored in the lower 12 bits. Depending on which “Connection Type” is used the
data returned by the PLC is in a different format. For “FETCH/WRITE” mode, the
current timer/counter value is returned as Binary encoded data, but for “OP
Communication” the current timer/counter value is returned as BCD encoded
data.
*4 Valid range in BCD is 0000 to 0999.
*5 Read-only.
*6 Data blocks are created by the user. Available addresses depend on what the
user has created.
13

SIMATIC S7 Ethernet

*7 PLC word addresses defined for integer, float, and string variables must be
even-numbered. i.e., IW5 is not a valid device address for an integer variable.
Must be either IW4 or IW6.
*8 16-bit and 32-bit data, High and Low, refer to data as defined in the following
examples.

S7-200 Series
Device
Variable

Input *3*2

* 2*4

Bit Address* 1

Word Address

V00000.0-V10239.7
I00000.0-I00015.7
or
E00000.0-E00015.7*6
Q00000.0-Q00015.7
or

VW00000-VW 10238
IW00000-IW00014
or
EW00000-EW 0000014* 6
QW00000-QW00014
or

Output

A00000.0-A00015.7

Marker
Timer W ord*7

M00000.0-M00031.7
—

Counter Word

—

bit

AW00000-AW 00014

H/L

bit

H/L

MW00000-MW 00030
T00000-T00255
C00000-C00255
or
Z00000-Z00255

*1 Read-modify-write. When you write to one of these bit addresses, the target
machine reads the entire word address, sets the defined bit, then returns the new
value to the PLC. If the ladder program writes data to this word address during
the bit read/write process, the resulting data may be incorrect.
*2 PLC word addresses defined for integer, float, and string variables must be
even-numbered. i.e., IW5 is not a valid device address for an integer variable.
Must be either IW4 or IW6.
*3 Depending on the CPU type, it may not be possible to write to addresses IW0IW2. These addresses are reserved for onboard I/O.
*4 It is possible to write to the QW / Q device only while the PLC is in RUN mode.
Outputs will be reset if the PLC is switched into stop mode.
*5 16-bit and 32-bit data, High and Low, refer to data as defined in the following
examples.

*5 German variable name.
*6 These devices are read-only.
14

SIMATIC S7 Ethernet

Consecutive Equipment Addresses
Overview
The following table lists the maximum number of consecutive addresses that can be
read by each PLC. Refer to this table when using block transfers.
Note:
z
z

To speed up data communication, use consecutive variable addresses on the
same panel screen.
The following situations increase the number of times that the equipment is
read, which reduces the data communication speed between the target
machine and the equipment:
z when the number of consecutive addresses exceeds the maximum
z when different device types are used.

Device

Max. Consecutive Addresses

Gap Span

Read

Write

218 bytes

212 bytes

218 bytes

1 word

—

Input (I)
Output (Q)
Internal Bit (M)
Data Block (DBX)
Input (IW)
Output (QW)
Internal Bit (MW)
Data Block (DBW )
Timer W ord (T)
Counter Word (C)

SIMATIC S7 Ethernet

I/O Manager Configuration
Overview
The driver and equipment, which enable communication between the target
machine and the PLC, depends on the PLC type.
Note:
z

For information on how to display the [New Driver] dialog box, see the online
help.

Screen example of I/O Manager Configuration

SIMATIC S7 Ethernet

Equipment Configuration
Overview

WARNING
UNINTENDED EQUIPMENT OPERATION
Read and understand the instructions in this section to ensure data is properly
transferred. If you do not follow these instructions, incorrect data could be written
to the PLC and the target machine.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.
To set up details about the communication process between the target machine and
the PLC, use the [Equipment Configuration] dialog box.
For an overview of the driver and equipment settings, see Equipment Configuration.
Note:
z

For information on how to display the [Equipment Configuration] dialog box, see
the online help.

S7-200 Series

Screen Description

Area

Description

IP Address

Enter the PLC unit’s IP address.

Module

Enter the module number to match the PLC configuration software.

Connection

Enter the connection number to match the PLC configuration software.

SIMATIC S7 Ethernet

Fetch/Write

Screen Description

Area

Description

IP Address

Enter the PLC unit’s IP address.

PLC Ports

Fetch
Specify the PLC’s TCP port number for the Fetch operation. Specify
values between 1024~65535.
Write
Specify the PLC’s TCP port number for the Write operation. Specify
values between 1024~65535.

Host Port Override Select the Host Port Override checkbox when:
z
z

the PLC is configured to communicate with only specified
host ports or
the PLC is configured to accept any host ports but there is a
port conflict with other applications on the target machine.

Fetch
Specify the TCP Fetch port number to be used on the target machine.
If the PLC is configured to communicate with only specified host ports,
then this setting must match the PLC connection configuration.
Write
Specify the TCP Write port number to be used on the target machine.
If the PLC is configured to communicate with only specified host ports,
then this setting must match the PLC connection configuration.

SIMATIC S7 Ethernet

Note:
z
z

The IP Address and PLC Ports fields should match the communication settings
on the PLC unit.
The connection configuration on the PLC can be configured to accept only
specified host IP addresses and specified host ports.

S7-300/400 Series

Screen Description

Area

Description

IP Address

Enter the PLC unit’s IP address.

Rack

Enter the rack number where the CPU is located.

Slot

Enter the slot number where the CPU is located.

SIMATIC S7 Ethernet

Device Address Configuration
Overview

WARNING
UNINTENDED EQUIPMENT OPERATION
Read and understand the instructions in this section to ensure data is properly
transferred. If you do not follow these instructions, incorrect data could be written
to the PLC and the target machine.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.
To set up a PLC variable in the Variable List, use the Device Address Keypad from
the variable properties.
See Supported Device Addresses.
Note:
z

For information on how to display the Device Address Keypad, see the online
help.

Screen example of Device Address Configuration

SIMATIC S7 Ethernet

Screen Description

Area

Description

Memory Area

Lists the device type.

Data Block

Defines a number for a valid data block. This field is available when
DB is selected as theMemory Area. To enter a valid data block, click
the Data Block field’s ellipsis to display the[Data Block Selector]
keypad.

Address

Enter the device address number here.
When mapping an integer, float, or string variable to a PLC device,
you can enter only even addresses.
When mapping a discrete variable to a PLC device, you can enter
both odd or even addresses.
In the Address field, click the ellipsis [...] to display the [Address
Selector] keypad, which assists you in entering a valid device
address.

Bit

Available when mapping discrete variables to a PLC device. Lists
the available bits (0-7).

SIMATIC S7 Ethernet

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