Siemens SINAMICS V20 Operating Manual page 17

Parameter Function
r4027 Multi-pump control absolute
operating hours: motor 2 [h]
r4028 Multi-pump control absolute
operating hours: motor 3 [h]
r4029 Multi-pump control absolute
operating hours: motor 4 [h]
r4062 Inverter-controlled motor num-
ber
SINAMICS V20 multi-pump control
Operating Manual, 05/2018, A5E43416874-002
Setting
Absolute operating hours timer for motor 2. It will be cleared after re-power on.
Absolute operating hours timer for motor 3. It will be cleared after re-power on.
Absolute operating hours timer for motor 4. It will be cleared after re-power on.
This parameter displays which motor is controlled by the inverter.
Pump switch-in/switch-out
17