8.5.3 Two-wire control, clockwise/counterclockwise rotation 2
Function description
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&RXQWHUFORFNZLVH
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&ORFNZLVH
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W
W
W
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Figure8-8 Two-wire control, clockwise/counterclockwise rotation 2
Commands "ON/OFF1 clockwise rotation" and "ON/OFF1 counter-clockwise rotation" switch
on the motor - and simultaneously select a direction of rotation. The converter accepts a new
command at any time, independent of the motor speed.
Table 8-13 Function table
ON/OFF1 clockwise rota‐
tion
ON/OFF1 counter-clock‐
wise rotation
Function
0 0 The motor stops.
1 0 Clockwise motor rotation.
0 1 Counter-clockwise motor rotation.
1 1 The motor stops.
Examples
Table 8-14 Two-wire control and setting the assignment of the digital inputs
Parameter Description
p3334 = 2 2/3 wire control selection
2: Two-wire control, clockwise/counterclockwise rotation 2
p3330[C] = 722.0 BI: 2/3 wire control command 1 (ON/OFF1 clockwise rotation)
Command is received via digital input 0 (DI 0)
p3331[C] = 722.1 BI: 2/3 wire control command 2 (ON/OFF1 counter-clockwise rotation)
Command is received via digital input 1 (DI 1)
Advanced commissioning
8.5Controlling clockwise and counter-clockwise rotation via digital inputs
SINAMICS G120C Converters
206 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
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