Terminal
Description
Symbol
DI1
Digital Input 1
DI2
Digital Input 2
DI3
Digital Input 3
DI4
Digital Input 4
DI5
Digital Input 5
DI6
Digital Input 6
DI7
Digital Input 7
DI8
Digital Input 8
DCM
Digital Signal Common
Digital Output 1
DO1
Digital Output 2
DO2
(internal circuit same as
DO1)
DOC
Digital Output Common
+24V
STO Control Signal Source
ECM
EStop Common
SCM1
STO Input 1 Common
SCM2
STO Input 2 Common
STO1
STO Input 1
STO2
STO Input 2
Digital Frequency Output
FO
FWD
Forward Command
R1
R1 Relay Common
R1C
R1 Relay N�C�
R1O
R1 Relay N�O�
R2
R2 Relay Common
R2C
R2 Relay N�C�
R2O
R2 Relay N�O�
REV
Reverse Command
RJ45-1
RJ45 Port 1
RJ45-2
RJ45 Port 2
SG+
SG-
Modbus RS-485
SGND
Digital Control Ground
DuRA
GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
pulse
Control Circuit Terminals (continued)
Remarks
ON: the activation current is 3.3mA ≥ 11VDC
OFF: leakage current tolerance is 1.4mA ≤ 5VDC
Refer to terminals FO, FWD, REV
The AC motor drive releases various monitor signals such as drive
in operation, frequency attained, and overload indication via
DO1
transistor (open collector)�
Can be used sinking or sourcing�
DO2
Use with DOC (common terminal)�
5~48VDC / 50mA
DOC
Multi-function Output 2 (photocoupler)�
Can be used sinking or sourcing�
Use with DOC (common terminal)�
5~48VDC / 50mA
Max 48VDC, 50mA
Safe Torque Off function�
Refer to Appendix E: Safe Torque Off for more details�
High-speed pulse output� Use with DCM�
Di gital Frequency Out =
Drive Output Frequency [Hz] x P3�38 [Frequency Output
FO
Multiplier]�
Duty-cycle: 50% ±1%
DCM
Min load impedance: 1kΩ/100pf
Max current: 30mA
Max voltage: 30VDC
Use with DCM�
ON → forward running
OFF → deceleration to stop
Re sistive Load:
3A(N�O�) / 3A(N�C�); 250VAC
5A(N�O�) / 3A(N�C�); 30VDC
In ductive Load (COS 0�4):
1�2A(N�O�) / 1�2A(N�C�); 250VAC
Th ese terminals are to output monitoring signals, such as drive in
operation, frequency attained, or overload indication�
Note: R1 and R2 have N�O� and N�C� contacts�
Use with DCM�
ON → reverse running
OFF → deceleration to stop
Pins 1,2,7,8: Reserved
Pins 3,6: SGND
Pin 4: SG-
Pin 5: SG+
Chapter 2: Installation and Wiring
Page 2–33
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