LS SV-iG5H Series, Manual, Page: 126 / 226

Advanced functions
112
8.9 MMC
The MMC (Multiple Motor Control) function is used to control multiple motors for in a

pump system. The main motor connected with the inverter output, operated by the PID
controller. The auxiliary motors are connected with the supply power and turned on and
off by the relay within the inverter.
Max. of two auxiliary motors can be connected with one operable in PID. Auto change

function(Aux Exchange) is available to balance the run time of each auxiliary motors.
Group Code Parameter Name Setting Range Default Unit
Application
group
A11 MMC Sel 1 0-1 0
A12 Num of Aux - 0-2 0
A13 Start Freq1 - AP15-MaxFreq 40.0 Hz
A14 Start Freq2 - AP16-MaxFreq 40.0 Hz
A15 Stop Freq1 - 0-AP13 20.0 Hz
A16 Stop Freq2 - 0-Ap14 20.0 Hz
A17 Aux Start DT - 0.1-600.0 5.0 sec
A18 Aux Stop DT 0.1-600.0 5.0 sec
A19 PID Acc Time 0-600.0 5.0 sec
A20 PID Dec Time 0-600.0 5.0 sec
A21 Aux All Stop 0-1 No
A22 Aux On/Off Seq 0-1 0
A26 Start Motor 1 1-2 1
I/O group
I54
Multi-function
relay1 select
25 0-30 17
I55
Multi-function
relay2 select
26 0-30 12