Siemens Sinamics G120P Operating Instructions Manual page 302
Converter cabinet units 110 kw - 400 kw
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Also See for Sinamics G120P:
- Instruction manual (100 pages) ,
- Technical manual (98 pages) ,
- Hardware installation manual (94 pages)
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Operation
6.10 Operation with the IOP
Because all fans can be switched on and off by the inverter, the fans can be used with
different frequencies. This ensures that no fan runs continually and the workload is
distributed equally.
The system consists of the following components:
● Control Unit
● Power Module
● Motor
● Several fans
● Pressure sensors
● Motor temperature sensor (optional)
Open-loop controlled pump
For this application, a constant liquid level should be maintained in a pump system. If liquid
is removed from the system, refilling is made to a specified level.
The frequency setpoint is specified using the analog input.
The system consists of the following components:
● Control Unit
● Power Module
● Motor
● Pump
● Motor temperature sensor (optional)
● Level sensor (dry-run protection – optional)
Closed-loop controlled pump
The closed-loop control can be used to directly monitor the liquid level in a tank using the
PID closed-loop control function.
The system consists of the following components:
● Control Unit
● Power Module
● Motor
● Pump
● Actual value encoder (feedback)
● Motor temperature sensor (optional)
● Level sensor (dry-run protection – optional)
302
Inverter cabinet units
Operating Instructions, 12/2014, A5E32923362A
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