Omron VARISPEED F7 User Manual page 55

Connecting Braking Units in Parallel
When connecting two or more Braking Units in parallel, use the wiring and jumper settings like shown in
Fig 2.9. There is a jumper for selecting whether each Braking Unit is to be a master or slave. Select "Master"
for the first Braking Unit only, and select "Slave" for all other Braking Units (i.e. from the second Unit
onwards).
2
Inverter
20
2-
Thermal overload relay contact
Braking Unit #1
Thermal overload relay
contact
Fig 2.9 Connecting Braking Units in Parallel
Thermal overload relay contact
Braking
Resistor
Unit
(LKEB)
Braking Unit #2
Thermal overload relay
contact
Thermal overload relay contact
Braking
Resistor
Unit
(LKEB)
Braking Unit #3
Thermal overload relay
contact
Braking
Resistor
Unit
(LKEB)