Siemens SINAMICS G120C User Manual

8.5.5 Three-wire control, enable/ON/reverse
Function description
The "Enable" command is a precondition for switching on the motor. The "ON" command
switches the motor on. The "Reversing" command inverts the motor direction of rotation.
Removing the enable switches the motor o󹪜 (OFF1).
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Figure8-10 Three-wire control, enable/ON/reverse
Table 8-19 Function table
Enable / OFF1 ON Reversing Function
0 0 or 1 0 or 1 The motor stops.
1 0→1 0 Clockwise motor rotation.
1 0→1 1 Counter-clockwise motor rotation.
Examples
Table 8-20 Changing the assignment of the digital inputs
Parameter Description
p3334 = 4 2/3 wire control selection
4: Three-wire control enable/clockwise/counterclockwise rotation
p3330[C] = 722.0 BI: 2/3 wire control command 1 (enable/OFF1)
Command is received via digital input 0
p3331[C] = 722.1 BI: 2/3 wire control command 2 (ON)
Command is received via digital input 0
p3332[C] = 722.2 BI: 2/3 wire control command 3 (reversing)
Command is received via digital input 0
Advanced commissioning
8.5Controlling clockwise and counter-clockwise rotation via digital inputs
SINAMICS G120C Converters
210 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK

Siemens SINAMICS G120C Specifications

General

Brand	Siemens
Model	SINAMICS G120C
Category	Inverter
Language	English