Siemens SINAMICS G120C DP

8.5.4 Three-wire control, enable/clockwise/counterclockwise rotation
Function description
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&RXQWHUFORFNZLVH
21
&RXQWHUFORFNZLVH
21
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6SHHGVHWSRLQW
W
W
W
W
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Figure8-9 Three-wire control, enable/clockwise/counterclockwise rotation
The "Enable" command is a precondition for switching on the motor. Commands "ON
clockwise rotation" and "ON counter-clockwise rotation" switch on the motor - and
simultaneously select a direction of rotation. Removing the enable switches the motor o󹪜
(OFF1).
Table 8-16 Function table
Enable / OFF1 ON clockwise rota‐
tion
ON counter-clock‐
wise rotation
Function
0 0 or 1 0 or 1 The motor stops.
1 0→1 0 Clockwise motor rotation.
1 0 0→1 Counter-clockwise motor rotation.
1 1 1 The motor stops.
Examples
Table 8-17 Three-wire control and setting the assignment of the digital inputs
Parameter Description
p3334 = 3 2/3 wire control selection
3: 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 clockwise rotation)
Command is received via digital input 0
p3332[C] = 722.2 BI: 2/3 wire control command 3 (ON counter-clockwise rotation)
Command is received via digital input 0
Advanced commissioning
8.5Controlling clockwise and counter-clockwise rotation via digital inputs
SINAMICS G120C Converters
208 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK