Pump switchover 
 
SINAMICS V20 multi-pump control 
Operating Manual, 05/2018, A5E43416874-002 
23 
P4024  Multi-pump control max time for continu-
ous operation [h] 
The motor switchover will be triggered if the continuous operat-
ing hours of a motor exceed the threshold. This parameter is 
used to configure the threshold value. 
Default setting: 24 (minimum value: 0.1) 
r4026  Multi-pump control absolute operating 
hours: motor 1 [h] 
Absolute operating hours timer for motor 1. It will be cleared 
after re-power on. 
r4027  Multi-pump control absolute operating 
Absolute operating hours timer for motor 2. It will be cleared 
r4028  Multi-pump control absolute operating 
Absolute operating hours timer for motor 3. It will be cleared 
r4029  Multi-pump control absolute operating 
Absolute operating hours timer for motor 4. It will be cleared 
r4031  Multi-pump control continuous operating 
Continuous operating hours timer for motor 1. It will be cleared 
when the motor is switched out. 
r4032   Multi-pump control continuous operating 
Continuous operating hours timer for motor 2. It will be cleared 
when the motor is switched out. 
r4033  Multi-pump control continuous operating 
Continuous operating hours timer for motor 3. It will be cleared 
when the motor is switched out. 
r4034   Multi-pump control continuous operating 
Continuous operating hours timer for motor 4. It will be cleared 
when the motor is switched out. 
r4062  Inverter-controlled motor number  This parameter displays which motor is controlled by the invert-