Three-Wire Control, Method 2 - Siemens SINAMICS G120 Operating Instructions Manual
Low voltage inverters
built-in units with cu250s-2 control units and
encoder evaluation
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Also See for SINAMICS G120:
- List manual (1256 pages) ,
- Manual (732 pages) ,
- Operating instructions manual (550 pages)
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Advanced commissioning
6.4 Controlling clockwise and counter-clockwise rotation via digital inputs
6.4.5
Three-wire control, method 2
Figure 6-12
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 off (OFF1).
Table 6-20
Enable / OFF1
Table 6-21
Parameter
p0015 = 20
Table 6-22
Parameter
p3330[0 ... n] = 722.x
p3331[0 ... n] = 722.x
p3332[0 ... n] = 722.x
182
Three-wire control, method 2
Function table
ON
0
0 or 1
1
0→1
1
0→1
Select three-wire control, method 2
Description
Macro drive unit
You must carry out quick commissioning in order to set parameter p0015.
Assigning digital inputs DI to the commands:
DI 0: Enable / OFF1
DI 1: ON
DI 2: Reversing
Changing the assignment of the digital inputs
Description
BI: 2/3 wire control command 1 (enable/OFF1)
BI: 2/3 wire control command 2 (ON)
Example: p3331 = 722.0 ⇒ DI 0: ON command
BI: 2/3 wire control command 3 (reversing)
Reversing
Function
0 or 1
OFF1: The motor stops.
0
ON: Clockwise motor rotation.
1
ON: Counter-clockwise motor rotation.
Converter with the CU250S-2 Control Units
Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG
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