SINAMICS V20 multi-pump control
Operating Manual, 05/2018, A5E43416874-002
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You can use parameters P4016 to P4019 to set the pumps in service mode respectively.
When a pump is in service mode, the inverter locks the corresponding relay, which allows
you to perform troubleshooting of this pump without interrupting the operation of other pumps.
Danger to life due to unconnected low-voltage circuit breakers
If a pump is not connected to the mains and inverter through a low-voltage circuit breaker,
troubleshooting the pump in service mode can result in electric shock and unexpected
movement of the pump, causing serious personal injury or death.
• Make sure that all pumps are connected to the mains and inverter through low-voltage
circuit breakers. After a pump is set in service mode, cut off its low-voltage circuit
breaker before performing any troubleshooting operation.
r0722.0...12 Digital input values Displays status of digital inputs.
Bit 00: Digital input 1
Bit 01: Digital input 2
Bit 02: Digital input 3
Bit 03: Digital input 4
Bit 04: Digital input 5
Bit 05: Digital input 6
Bit 11: Analog input 1
P0731[0...2] BI: Function of digital output 1 Defines source of digital output 1.
Range: 0 to 4294967295 (default setting: 4000.1)
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