Two-Wire Control, Method 3 - Siemens SINAMICS G120 Operating Instructions Manual

Functions
9.2 Converter control
9.2.5

Two-wire control, method 3

You switch the motor on and off using a control command (ON/OFF1) and at the same time
select clockwise motor rotation. You also use the other control command to switch the motor
on and off, but in this case you select counter-clockwise rotation for the motor.
Unlike method 2, the inverter will accept the control commands at any time, regardless of the
motor speed.
Figure 9-5
Table 9- 7
Table 9- 8
Parameter
p0015 = 18
Advanced setting
Interconnecting control commands with digital inputs of your choice (DI x).
p3330[0 ... n] = 722.x BI: 2-3-WIRE Control Command 1 (ON/OFF1 clockwise rotation)
p3331[0 ... n] = 722.x BI: 2-3-WIRE Control Command 2 (ON/OFF1 , counter-clockwise rotation)
Example
p3331[0 ... n] = 722.2 DI 2: ON/OFF1 Counter-clockwise rotation
166
Two-wire control, method 3
Function table
ON/OFF1 clockwise
rotation
0
1
0
1
Parameter
Description
Macro drive unit
Controlling the motor using the
digital inputs of the inverter:
Also see Section Digital inputs (Page 74).
ON/OFF1 , counter-
clockwise rotation
0
0
1
1
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB
Function
OFF1: The motor stops.
ON: Clockwise rotation of motor.
ON: Counter-clockwise rotation of motor.
OFF1: The motor stops.
DI 0 DI 1
ON/OFF1 clockwise ON/OFF1 , counter-
rotation clockwise rotation
SINAMICS G120C frequency converter