Pump switchover
SINAMICS V20 multi-pump control
22 Operating Manual, 05/2018, A5E43416874-002
P0731[0...2] BI: Function of digital output 1 Defines source of digital output 1.
Range: 0 to 4294967295 (default setting: 4000.1)
P0732[0...2] BI: Function of digital output 2 Defines source of digital output 2.
Range: 0 to 4294967295 (default setting: 4000.2)
P0733[0...2] BI: Function of digital output 3 Defines source of digital output 3.
Range: 0 to 4294967295 (default setting: 4000.3)
P0734[0...2] BI: Function of digital output 4 Defines source of digital output 4.
Range: 0 to 4294967295 (default setting: 4000.4)
P2372[0...2] Motor staging cycling This parameter enables motor cycling for the motor staging
feature.
= 0: Disabled
= 1: Enabled
Range: 0 to 1 (default setting: 0)
r4000 Multi-pump control status word This parameter defines the bitwise status word for the multi-
pump control function.
Bit 00: ON/OFF1 (output to P0840)
Bit 01: Motor 1 switching on (output to P0731)
Bit 02: Motor 2 switching on (output to P0732)
Bit 03: Motor 3 switching on (output to P0733)
Bit 04: Motor 4 switching on (output to P0734)
Bit 05: Switching-in/-out operation in progress
Bit 06: No idle motor is running
Bit 07: OFF2 (output to P0845)
P4012 Multi-pump control motor selection mode This parameter controls the selection mode for switching in/out
motors.
0: Fixed sequence (switching-in: M1, M2, M3, M4; switching-
out: M4, M3, M2, M1)
1: Absolute operating hours
Range: 0 to 1 (default setting: 0)
P4013 Multi-pump control motor number configu-
ration
This parameter configures the total number of existing motors.
The value change to this parameter takes effect after the next
time the script is started.
Range: 1 to 4 (default setting: 4)
Note: Before changing the value of P4013, change the value of
P4002 to 0 first. After the value of P4013 is changed, re-power
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