Chapter 2 Ch2

User Manual: Chapter 2 DURApulse GS3 AC Drives User Manual

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INSTALLATION
AND WIRING

CHAPTER

2

Contents of this Chapter...
Ambient Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2–2
Storage Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2–2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2–3
Minimum Clearances and Air Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . .2–3

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2–4
Circuit Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2–11
DANGER! – Warning Notes . . . . . . . . . . . . . . . . . . . . . . . .2–11
Terminal Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . .2–13
Main Circuit Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2–17
Power Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . .2–18
Control Terminal Designations . . . . . . . . . . . . . . . . . . . . .2–20
Control Wiring Diagram – Sinking Inputs . . . . . . . . . . . . .2–21
Control Wiring Diagram – Sourcing Inputs . . . . . . . . . . . .2–22
External Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2–23

Chapter 2: Installation and Wiring

Ambient Conditions
Ambient environmental conditions for use:

Ambient Conditions
Ambient Temperature
Relative Humidity
Atmosphere Pressure
Vibration

-10°C to 40°C (14°F to 104°F)
0 to 90% (non-condensing)
86 kPa to 106 kPa
9.8 m/s2 (1G) less than 10 Hz, 5.9 m/s2 (0.6G) 10 to 60 Hz

Installation Location

Altitude 1000m or lower above sea level, keep from corrosive
gas, liquid and dust

Enclosure Rating

IP20: Protection against contact by fingers. Protection against
medium-size foreign objects

Storage Conditions
The AC drives should be kept in their shipping cartons or crates until they are
installed. In order to retain their warranty coverage, they should be stored as
described below if they are not to be installed and used within three months.
• Store in a clean and dry location free from direct sunlight and corrosive fumes.
• For storage of longer than 3 months, store within an ambient temperature range of
-20 °C to 30 °C (-4°F to 86°F).
• For storage of 3 months or less, store within an ambient temperature range of
-20 °C to 60 °C (-4°F to 140°F).
• Store within a relative humidity range of 0% to 90% and non-condensing
environment.
• Store within an air pressure range of 86 kPA to 106 kPA.
• DO NOT store in an area with rapid changes in temperature.
(It may cause condensation and frost.)
• DO NOT place directly on the ground.
If the drive is stored or is otherwise unused for more than a year, the drive’s internal DC
link capacitors should be recharged before use. Otherwise, the capacitors may be
damaged when the drive starts to operate. We recommend recharging the capacitors
of any unused drive at least once per year. (Refer to Chapter 6, “Maintenance and
Troubleshooting” for information about recharging DC link capacitors.)

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Chapter 2: Installation and Wiring

Installation
Install the AC drive in an enclosure that is specifically designed to house electrical
and electronic control equipment. Provide proper spacing within the enclosure to
allow the dissipation of heat produced by the drive and any other included
electrical and electronic equipment. Ventilation or air conditioning may also be
required, depending upon the application.
WARNING: Failure to observe these precautions may damage the drive and void the
warranty!

Improper installation of the AC drive will greatly reduce its life. Observe the
following precautions when installing the drive:
• Do not mount the AC drive near heat-radiating elements or in direct sunlight.
• Do not install the AC drive in a place subjected to high temperature, high
humidity, excessive vibration, corrosive gases or liquids, or airborne dust or
metallic particles.
• Mount the AC drive securely on a flat, rigid, non-flammable surface.
• Mount the AC drive vertically and do not restrict the air flow to the heat sink fins.
WARNING: AC drives generate a large amount of heat which may damage them.
Auxiliary cooling methods are typically required in order not to exceed maximum
ambient temperatures.

Minimum Clearances and Air Flow
Air Flow
150mm (6 inches)
or more

50mm
(2 inches)
or more

RUN STOP JOG FWD REV

PROGRAM

ENTER

DISPLAY
JOG
RUN

STOP
RESET

FWD/REV

50mm
(2 inches)
or more

Enclosure

WA RNING
Do not connect AC power to output terminals T1,T2 and T3.
Risk of electrical shock. Wait 10 minutes after removing power
before servicing.

Minimum Clearances
and Air Flow

150mm (6 inches)
or more

MAXIMUM AMBIENT TEMPERATURES

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MUST NOT EXCEED

40°C (104°F)!

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Chapter 2: Installation and Wiring

Dimensions
Frame A
Part numbers: GS3-21P0, GS3-22P0, GS3-41P0, GS3-42P0
118.0 [4.65]

160.0 [6.30]

108.0 [4.25]

Dia. 5.5[0.22]

RUN STOP JOG FWD REV

PROGRAM

STOP
RESET

FWD/REV

185.0 [7.28]

JOG
RUN

173.0 [6.81]

ENTER

DISPLAY

WARNING
Do not connect AC power to output terminals T1,T2 and T3.
Risk of electrical shock. Wait 10 minutes after removing power before
servicing.

Dia. 22.0 (0.87)

Dia. 28.0[1 .10](2X )

.11]

8.7 [0.34]

75[0
R2.

5.5[0.22]

Units: mm [inches]

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Chapter 2: Installation and Wiring

Dimensions (continued)
Frame A with Fan
Part Numbers: GS3-43P0
118.0 [4.65]

145.0 [5.71]

108.0 [4.25]

Dia. 5.5[0.22]

RUN STOP JOG FWD REV

PROGRAM

STOP
RESET
RUN

185.0 [7.28]

FWD/REV

JOG

173.0 [6.81]

ENTER
DISPLAY

WARNING
Do not connect AC power to output terminals T1,T2 and T3.
Risk of electrical shock. Wait 10 minutes after removing power before
servicing.

Dia. 22.0(0.87)

Dia. 28.0(1.10)(2X)
1]
[0.1

8.7 [0.34]

75
R2.

5.5[0.22]

Units: mm [inches]

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Chapter 2: Installation and Wiring

Dimensions (continued)
Frame B
Part numbers: GS3-23P0, GS3-25P0, GS3-45P0
3]
.1
0
[R
25
.
R3

150.0 [5.91]
135.0 [5.32]

160.2 [6.31]

RUN STOP JOG FWD REV

PROGRAM

244.3 [9.63]
260.0[10.24]

ENTER
DISPL AY

JOG

FWD/REV

STOP
RESET

RUN

WARNING
Do not connect AC power to output terminals T1,T2 and T3.

X)
(] 2
7
.8
0
[
.0
22

D

Di

a.

28
.0 [
1.1

0](
2X
)

ia

.6

]
.26
0
.5[

11.3 [0.44]

D

ia

.

Risk of electrical shock. Wait 10 minutes after removing power before
servicing.

Units: mm [inches]

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Chapter 2: Installation and Wiring

Dimensions (continued)
Frame C
Part numbers: GS3-27P5, GS3-2010, GS3-2015
GS3-47P5, GS3-4010, GS3-4015
200.0 [7.88]

Dia. 7.0 (0.28)

185.6 [7.31]

183.2 [7.22]

RUN STOP JOG FWD REV

JOG

FWD/REV

STOP
RESET
RUN

323.0 [12.73]

ENTER
DISPLAY

303.0 [11.94]

PROGRAM

WARNING
Do not connect AC power to output terminals T1,T2 and T3.
Risk of electrical shock. Wait 10 minutes after removing power before
servicing.

.5
R3

13.5 [0.53]

]
14
0.
[R

Dia. 42.6(1.68)

Dia. 22.0(0.87)

7.0 [0.28]

Units: mm [inches]

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Chapter 2: Installation and Wiring

Dimensions (continued)
Frame D
Part numbers: GS3-2020, GS3-2025, GS3-2030
GS3-4020, GS3-4025, GS3-4030
250.0 [9.84]

Dia. 10.0 [0.39]

205.4 [8.08]

226.0 [8.90]

RUN STOP JOG FWD REV

PROGRAM

ENTER

FWD/REV

STOP
RESET
RUN

403.8 [15.90]

JOG

384.0 [15.12]

DISPLAY

WARNING
Do not connect AC power to output terminals T1,T2 and T3.
Risk of electrical shock. Wait 10 minutes after removing power before
servicing.

Dia. 42.0 (1.65)(2X)

13.0 [0.51]

Dia. 28.0 (1.1)

10.0 [0.39]

Units: mm [inches]

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Chapter 2: Installation and Wiring

Dimensions (continued)
Frame E
Part Numbers: GS3-2040, GS3-2050
GS3-4040, GS3-4050, GS3-4060
Dia. 13.0 (0.51)

370.0 [14.57]

260.0 [10.24]

335.0 [13.19]
Dia. 18.0(0.71)

RUN STOP JOG

FWD REV

PROGRAM

ENTER
DISPLAY

JOG

FWD/REV

STOP
RESET

589.0 [23.19]

595.0 [23.43]

560.0 [22.05]

RUN

18.0 [0.71]
WARNING

132.5 [5.22]
Dia. 62.0(2.44)

21.0[0.83]

Dia. 22.0(0.87)

R6.5[0.25]

13.0[0.51]
Units: mm [inches]

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Chapter 2: Installation and Wiring

Dimensions (continued)
Frame F
Part Numbers: GS3-4075, GS3-4100
425.0 [16.73]

3

.51

)
264.0 [10.39]
Dia.18

.0(0.71

)

660.0 [25.98]

D

631.0 [24.84]

385.0 [15.16]

1
ia.

0
.0(

18.0 [0.71]
WARNING

130.4 [5.13]

Dia. 22.0(0.87)

Dia. 74.8(2.94)

21.0[0.83]

280.0 [11.02]

R6.5[0.25]

13.0[0.51]

Units: mm [inches]

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Chapter 2: Installation and Wiring

Circuit Connections
DANGER!
HAZARDOUS VOLTAGE!

Before making any connection to the AC drive, disconnect
all power to the AC drive, and wait five minutes for DC bus capacitors to discharge.
WARNING: Any electrical or mechanical modification to this equipment without prior
written consent of AutomationDirect.com, Inc. will void all warranties, may result in
a safety hazard, and may void the UL listing.
WARNING: Do not connect the AC input power to the T1, T2, and T3 output terminals.
Doing this will damage the AC drive
WARNING: Tighten all screws to the proper torque rating. See “Main Circuit Wiring”
later in this chapter.

Wiring Notes: PLEASE READ PRIOR TO INSTALLATION.
1. During installation, follow all local electrical, construction, and safety codes for
the country in which the AC drive is to be installed.
2. Make sure the appropriate protective devices (circuit breaker or fuses) are
connected between the power supply and AC drive.
3. Make sure that the leads are connected correctly and the AC drive is properly
grounded. (Ground resistance should not exceed 0.1.)
4. Use ground leads that comply with AWG/MCM standards and keep them as
short as possible.
5. Do not use a power circuit contactor or disconnect switch for run/stop control
of the AC drive and motor. This will reduce the operating life cycle of the AC
drive. Cycling a power circuit switching device while the AC drive is in run
mode should be done only in emergency situations.
6. Multiple DURAPULSE units can be installed in one location. All of the units
should be grounded directly to a common ground terminal. The DURAPULSE
ground terminals may also be connected in parallel, as shown in the figure
below. Make sure there are no ground loops.

Correct

Incorrect
Forward
running

7. When the AC drive output terminals T1, T2, and T3 are connected to the motor
terminals T1, T2, and T3, respectively, the motor will rotate counterclockwise
(as viewed from the shaft end of the motor) when a forward operation
command is received. To reverse the direction of motor rotation, switch the
connections of any of the two motor leads.

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Chapter 2: Installation and Wiring

8. Make sure that the power source is capable of supplying the correct voltage
and required current to the AC drive.
9. Do not attach or remove wiring when power is applied to the AC drive.
10. Do not inspect components unless inside "POWER" lamp is turned off.
11. Do not monitor the signals on the circuit board while the AC drive is in operation.
12. GS3 series DURAPULSE drives cannot be used with single-phase motors.
13. Route the power and control wires separately, or at 90 degree angle to each other.
14. If a filter is required for reducing EMI (Electro Magnetic Interference), install it as close
as possible to the AC drive. EMI can also be reduced by lowering the Carrier Frequency.

15. If the AC drive is installed in a place where a load reactor is needed, install
the filter close to the T1, T2, and T3 side of AC drive. Do not use a Capacitor,
L-C Filter (Inductance-Capacitance), or R-C Filter (Resistance-Capacitance),
unless approved by AutomationDirect.
16. When using a GFCI (Ground Fault Circuit Interrupt), select current sensor with sensitivity
of 200mA, and not less than 0.1-second detection to avoid nuisance tripping.
Motor Operation Precautions
1. When using the AC drive to operate a standard 3-phase induction motor, notice
that the energy loss is greater than for an inverter duty motor.
2. Avoid running a standard induction motor at low speed, which may cause the
motor temperature to exceed the motor rating due to limited airflow produced
by the motor's fan.
3. When the standard motor operates at low speed, the output load must be decreased.
4. If 100% output torque is desired at low speed, it may be necessary to use a
special "inverter-duty" rated motor.
Short Circuit Withstand (SCCR)
Models through 50 hp are suitable for use on a circuit capable of delivering not
more than 5,000 rms symmetrical amperes; 10,000A for models 60 hp through
100 hp. The maximum voltage is 240V for all 230V models, and 480V for all
460V models.
Applicable Codes
All DURAPULSE AC drives are Underwriters Laboratories, Inc. (UL) and Canadian
Underwriters Laboratories (cUL) listed, and therefore comply with the
requirements of the National Electrical Code (NEC) and the Canadian Electrical
Code (CEC).
Installation intended to meet the UL and cUL requirements must follow the
instructions provided in "Wiring Notes" as a minimum standard. Follow all local
codes that exceed UL and cUL requirements. Refer to the technical data label
affixed to the AC drive and the motor nameplate for electrical data.
The "Circuit Protection Devices" section in APPENDIX A, lists the recommended fuse
part number for each DURAPULSE part number. These fuses (or equivalent) must
be used on all installations where compliance with U.L. standards is required.

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Chapter 2: Installation and Wiring

Terminal Wiring Diagrams
GS3-21P0, GS3-22P0, GS3-41P0, GS3-42P0, GS3-43P0

+

L1 L2 L3

B1 B2 T1 T2 T3

GS3-23P0, GS3-25P0, GS3-45P0

+ B1

-

B2

T1 T2 T3

L1 L2 L3

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Chapter 2: Installation and Wiring

Terminal Wiring Diagrams (continued)
GS3-27P5, GS3-47P5, GS3-2010,
GS3-4010, GS3-2015, GS3-4015

L2 L3
POWER

+ B1

B2

T2 T3
IM
3

MOTOR

GS3-2020, GS3-4020, GS3-2025,
GS3-4025, GS3-2030, GS3-4030

L1

L2

L3

POWER

2–14

+

+2

DURAPULSE AC Drive User Manual

-

T2 T3
IM
3

MOTOR

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Chapter 2: Installation and Wiring

Terminal Wiring Diagrams (continued)
GS3-2040, GS3-2050

L1

L3

L2

+

+2

T2

T1
IM
3

POWER

T3

MOTOR

GS3-4040, GS3-4050,GS3-4060

L1

L2

L3

POWER

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+

+2

-

T1 T2

IM
3

T3

MOTOR

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Chapter 2: Installation and Wiring

Terminal Wiring Diagrams (continued)
GS3-4075, GS3-4100

L1

L2

L3

+

+2

POWER

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T1

T2

IM
3

T3

MOTOR

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Chapter 2: Installation and Wiring

Main Circuit Wiring
Main Circuit Terminals
Terminal
L1, L2, L3
T1, T2, T3
B1, B2
+2, – (negative)

Description
Input Power
AC Drive Output
Braking Resistor Connection (Under 20HP)
External Dynamic Brake Unit (20HP & Over)
Ground

Main Circuit Wiring Specifications
AC Drive
Model
GS3-21P0
GS3-22P0
GS3-23P0
GS3-25P0
GS3-27P5
GS3-2010
GS3-2015
GS3-2020
GS3-2025
GS3-2030
GS3-2040
GS3-2050
GS3-41P0
GS3-42P0
GS3-43P0
GS3-45P0
GS3-47P5
GS3-4010
GS3-4015
GS3-4020
GS3-4025
GS3-4030
GS3-4040
GS3-4050
GS3-4060
GS3-4075
GS3-4100

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Input
Current
(A)

Output
Current
(A)

5.7

5

7.6

7

15.5

10

20.6
26

17

34

33

50
60

49

75

75

Wire Range
(AWG)

Terminal
Tightening
Torque
(kgf-cm)

10-18

18

25
8-12

65

90

90

110

120

142

145

3.2

2.7

4.3

4.2

5.9

5.5

11.2

8.5

14

13

19

18

25

24

32

32

39

38

49

45

60

60

63

73

90

91

130

110

160

150

2-8

30

40

2/0-3/0

200

10-18

18

8-12

2-8

30

40

2-4

57

2/0-3/0

200

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Chapter 2: Installation and Wiring

Power Wiring Diagrams
Drives under 20hp
Users must connect wiring according to the circuit diagram shown below.
Braking resistor
(optional)
BR

JUMPER

+

Power Source

L1

200-240V+-10%
(50,60Hz+-5%)

L2

380-480V+-10%
(50,60Hz+-5%)

B1

(–)

B2

DURAPULSE
GS3-xxxx

L3

AC Motor
T1

3Ø
IM

T2
T3

Use any two of L1, L2, L3
for 230V 1-phase models
Note: Grounding terminals
are internally connected.

Motor grounding
terminal

Grounding resistance
less than 0.1

Main circuit (power) terminals

Drives 20–30hp (230VAC) & 20–60hp (460VAC)
Users must connect wiring according to the circuit diagram shown below.

JUMPER
Power Source 3 phase
200-240V+-10%
(50,60Hz+-5%)
380-480V+-10%
(50,60Hz+-5%)

BR

Dynamic
Brake Unit
(optional)

+
L1
L2

+2

DURAPULSE
GS3-xxxx

L3

Braking resistor
(optional)

–
T1
T2

AC Motor

3Ø
IM

T3

Note: Grounding terminals
are internally connected.

Motor grounding
terminal

Grounding resistance
less than 0.1

Main circuit (power) terminals

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Chapter 2: Installation and Wiring

Power Wiring Diagrams (continued)
Drives 40–50hp (230VAC) & 75–100hp (460VAC)
Users must connect wiring according to the circuit diagram shown below.
BR

Dynamic
Brake Unit
(optional)

200-240V+-10%
(50,60Hz+-5%)
380-480V+-10%
(50,60Hz+-5%)

BR

Dynamic
Brake Unit
(optional)

JUMPER
Power Source 3 phase

Braking resistor
(optional)

+
L1
L2

Braking resistor
(optional)

–

+2

DURAPULSE
GS3-xxxx

L3

T1
T2

AC Motor

3Ø
IM

T3

Note: Grounding terminals
are internally connected.

Motor grounding
terminal

Grounding resistance
less than 0.1

Main circuit (power) terminals

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Chapter 2: Installation and Wiring

Control Terminal Designations
Control Circuit Terminals
Terminal
Description
Symbol

Remarks

+24V

DC Voltage Source

(+24V, 20mA), used only for AC drive digital inputs wired for
source mode operation

DI1
DI2
DI3
DI4
DI5
DI6
DI7
DI8
DI9
DI10
DI11
DCM
+10V
AI1
AI2
AI3
ACM

Digital Input 1

R1O

Relay Output 1 Normally Open

R1C
R1

Digital Input 2
Digital Input 3
Digital Input 4
Digital Input 5
Digital Input 6
Digital Input 7
Digital Input 8
Digital Input 9

Input Voltage: Internally Supplied (see WARNING below)
Sink Mode: Low active, VinL Min = 0V, VinL Max = 15V,
Iin Min = 2.1mA, Iin Max = 7.0mA
Source Mode: High active, VinH Min = 8.5V, VinH Max =
24V, Iin Min = 2.1mA, Iin Max = 7.0mA
Input response: 12 - 15 msec
Also see “Basic Wiring Diagram” on the next pages.

Digital Input 10
Digital Input 11
Digital Common
Internal Power Supply

+10VDC (10mA maximum load)

Analog Input

0 to +10 V input only

Analog Input

0 to 20 mA / 4 to 20 mA input

Analog Input

-10 to +10 V input only

Analog Common
Resistive Load:
240VAC – 5A (N.O) / 3A (N.C.)
24VDC – 5A (N.O.) / 3A (N.C.)
Relay Output 1 Normally Closed
Inductive Load:
240VAC – 1.5A (N.O) / 0.5A (N.C)
Relay Output 1 Common
24VDC – 1.5A (N.O) / 0.5A (N.C)

DO1
DO2
DO3
DOC

Photocoupled digital output

FO

Digital Frequency Output

AO

Analog Output

Photocoupled digital output
Photocoupled digital output

12-48 VDC, 50 mA

Digital Output Common
Maximum 50mA @ 48VDC,
Scalable squarewave, 50% duty cycle output
0 to +10V, 2mA Output

Control Terminal Wire Range: 24–12 AWG
Control Terminal Tightening Torque: 5kgf·cm [4lbf·in]
WARNING: Do NOT connect external voltage sources to the Digital Inputs.
Permanent damage may result.
Use twisted-shielded, twisted-pair or shielded-lead wires for the control signal wiring. It
is recommended to run all signal wiring in a separate steel conduit. The shield wire
should only be connected at the AC drive. Do not connect shield wire on both ends.

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Control Wiring Diagram – Sinking Inputs
Users must connect wiring according to the circuit diagram shown below.
WARNING: Do not plug a modem or telephone into the DURAPULSE RJ-12 Serial
Comm Port, or permanent damage may result.

DURAPULSE
AC Drive
GS3-xxxx
Multi-function Digital Inputs:

Multi-function Output Contact:

+24V Power Source
(20mA max.)

Forward/Stop

DI1

Reverse/Stop
External Fault (N.O.)

R1
R1C

Input Mode Setting

R1O

DI2

Sink

DI3

Source

SW1

Multi-Speed 1

DI4

Multi-Speed 2

Multi-function Digital Outputs:
12-48VDC @50mA
AC Drive Fault

DI6

Multi-speed 4

DO2

DI7

JOG

12-48VDC @50mA
At Speed

DI8

External Reset

DO3

DI9

Second Accel/Decel Time

12-48VDC @50mA
Zero Speed

DI10

External Base Block (N.O.)

DI11
DCM
Digital Signal Com.

†

Potentiometer
5k

†


†
†

-

Digital Frequency Output:

See Power
Wiring Diag.
†

+

12-48VDC

DOC
Digital Output Com.
FO

Analog Inputs:

240VAC/24VDC@3A Resistive (N.C.)
240VAC/24VDC@0.5A Inductive (N.C.)
240VAC/24VDC@5A Resistive (N.O.)
240VAC/24VDC@1.5A Inductive (N.O.)

DO1

Sink

DI5

Multi-Speed 3

AC Drive Running

48VDC @50mA max.
1:1, Duty = 50%

DCM
+10V Power Source
(20mA max.)
Multi-function Analog Output:

AI1
(0 to 10V)

AO

AI2
(0-20mA or 4-20mA)

+
-

ACM

AI3
(-10 to +10V)

Voltmeter

Output Frequency indication
0-10 VDC @ 2mA

ACM
Analog Signal Common

RS-485 Serial Comm Port:
† Frequency command source
can be one of the three analog
inputs, up/down keys on keypad
or via the RS-485 serial comm
port. See parameter settings.

6

See Power
Wiring Diagram

1

1: +15V
2: GND 4: SG+
3: SG- 5: NC

 Factory default setting
 Factory default source of frequency command is via the keypad up/down keys
 ACM and DCM are isolated from each other
Main circuit (power) terminals

1st Ed. Rev. D

05/2013

Control circuit terminal

Shielded leads

DURAPULSE AC Drive User Manual

2–21

Chapter 2: Installation and Wiring

Control Wiring Diagram – Sourcing Inputs
Users must connect wiring according to the circuit diagram shown below.
WARNING: Do not plug a modem or telephone into the DURAPULSE RJ-12 Serial
Comm Port, or permanent damage may result.

DURAPULSE
AC Drive
GS3-xxxx

Multi-function Digital Inputs:

Multi-function Output Contact:

+24V Power Source
(20mA max.)

Forward/Stop

DI1

Reverse/Stop

R1C
Input Mode Setting

DI2

External Fault (N.O.)

DI4

Multi-Speed 2

R1O

Sink
SW1

DI3

Multi-Speed 1

R1

Sink

DO1
12-48VDC @50mA
AC Drive Fault

DI6

Multi-speed 4

DO2

DI7

JOG

12-48VDC @50mA
At Speed

DI8

External Reset

DO3

DI9

Second Accel/Decel Time

12-48VDC @50mA
Zero Speed

DI10

External Base Block (N.O.)

DI11
DCM
Digital Signal Com.

†

Potentiometer
5k

†


†
†

† Frequency command source
can be one of the three analog
inputs, up/down keys on keypad
or via the RS-485 serial comm
port. See parameter settings.

-

Digital Frequency Output:

See Power
Wiring Diag.
†

+

12-48VDC

DOC
Digital Output Com.
FO

Analog Inputs:

240VAC/24VDC@3A Resistive (N.C.)
240VAC/24VDC@0.5A Inductive (N.C.)
240VAC/24VDC@5A Resistive (N.O.)
240VAC/24VDC@1.5A Inductive (N.O.)

Multi-function Digital Outputs:

Source

DI5

Multi-Speed 3

AC Drive Running

48VDC @50mA max.
1:1, Duty = 50%

DCM
+10V Power Source
(20mA max.)
Multi-function Analog Output:

AI1
(0 to 10V)
AI2
(0-20mA or 4-20mA)

AO
+
-

ACM

AI3
(-10 to +10V)

Output Frequency indication
0-10 VDC @ 2mA

ACM
Analog Signal Common

See Power
Wiring Diagram

Voltmeter

RS-485 Serial Comm Port:
6

1

1: +15V
2: GND 4: SG+
3: SG- 5: NC

 Factory default setting
 Factory default source of frequency command is via the keypad up/down keys
 ACM and DCM are isolated from each other
Main circuit (power) terminals

2–22

DURAPULSE AC Drive User Manual

Control circuit terminal

Shielded leads

1st Ed. Rev. D

05/2013

Chapter 2: Installation and Wiring

 Power Supply

External
Accessories

Please follow the specific power supply requirements
shown in CHAPTER 1

 Fuses

Under 20hp

Input fuses protect the AC drive from excessive input
current due to line surges, short circuits, and ground
faults. They are recommended for all installations and
may be required for UL-listed installations.

From power supply

1

 Contactor (Optional)

Do NOT use a power circuit contactor or disconnect
switch for run/stop control of the AC drive and motor.
This will reduce the operating life cycle of the AC drive.
Cycling a power circuit switching device while the AC
drive is in run mode should be done only in emergency
situations.

2
3

 AC Line Reactor (Optional)

Input line reactors protect the AC drive from transient
overvoltage conditions typically caused by utility
capacitor switching. Input line reactors also reduce
harmonics associated with AC drives, and are
recommended for all installations.

4
6

 EMI filter (Optional)

5

L1

L2

Input EMI filters reduce electromagnetic interference or
noise on the input side of the AC drive. They are required
for CE compliance and recommended for installations
prone to or sensitive to electromagnetic interference.

L3

+
DURAPULSE
AC Drive
GS3-xxxx

B2
T2

RF filters reduce the radio frequency interference or noise
on the input or output side of the inverter.

B1

(–)

T1

 RF filter (Optional)

T3

6

7

Braking Resistor (Optional)
Dynamic braking allows the AC drive to produce
additional braking (stopping) torque. AC drives can
typically produce between 15% & 20% braking torque
without the addition of any external components.
Optional braking may be required for applications that
have high inertia loads or require rapid deceleration.

AC Line Reactor (Optional)

8

Motor
Motor grounding
terminal

Output line (load) reactors protect the motor insulation
against AC drive short circuits and IGBT reflective wave
damage, and also “smooth” the motor current waveform,
allowing the motor to run cooler. They are recommended
for operating “non-inverter-duty” motors, and when the
length of wiring between the AC drive and motor exceeds
75ft.

Please refer to Appendix A for specifications on DURAPULSE AC Drive Accessories.

1st Ed. Rev. D

05/2013

DURAPULSE AC Drive User Manual

2–23

Chapter 2: Installation and Wiring

 Power Supply

External Accessories
(continued)

Please follow the specific power supply requirements
shown in CHAPTER 1

 Fuse

20hp & Over

Input fuses protect the AC drive from excessive input
current due to line surges, short circuits, and ground
faults. They are recommended for all installations and
may be required for UL-listed installations.

From power supply

1

 Contactor (Optional)

Do NOT use a power circuit contactor or disconnect
switch for run/stop control of the AC drive and motor.
This will reduce the operating life cycle of the AC drive.
Cycling a power circuit switching device while the AC
drive is in run mode should be done only in emergency
situations.

2
3

 AC Line Reactor (Optional)

Input line reactors protect the AC drive from transient
overvoltage conditions typically caused by utility
capacitor switching. Input line reactors also reduce
harmonics associated with AC drives, and are
recommended for all installations.

4
6

 EMI filter (Optional)

5

L1

L2

Input EMI filters reduce electromagnetic interference or
noise on the input side of the AC drive. They are required
for CE compliance and recommended for installations
prone to or sensitive to electromagnetic interference.

L3

+
DURAPULSE
AC Drive
GS3-xxxx

T2

RF filters reduce the radio frequency interference or noise
on the input or output side of the inverter.

7

–
T1

 RF filter (Optional)

+2

T3

6

Braking Unit and Braking Resistor (Optional)
Dynamic braking allows the AC drive to produce
additional braking (stopping) torque. AC drives can
typically produce between 15% & 20% braking torque
without the addition of any external components.
Optional braking may be required for applications that
have high inertia loads or require rapid deceleration.

AC Line Reactor (Optional)

8

Motor
Motor grounding
terminal

Output line (load) reactors protect the motor insulation
against AC drive short circuits and IGBT reflective wave
damage, and also “smooth” the motor current waveform,
allowing the motor to run cooler. They are recommended
for operating “non-inverter-duty” motors, and when the
length of wiring between the AC drive and motor exceeds
75ft.

Please refer to Appendix A for specifications on DURAPULSE AC Drive Accessories.

2–24

DURAPULSE AC Drive User Manual

1st Ed. Rev. D

05/2013



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