Using Braking Units In Parallel - Omron SYSDRIVE 3G3RV Series User Manual

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Using Braking Units in Parallel

This example shows wiring for using two Braking Units in parallel.
3-phase power
200 to 220 V 50 Hz
200 to 230 V 60 Hz
-8
10
A sequence is required to turn OFF the
power supply for the thermal overload relay
trip contacts of the Braking Resistor Unit.
MCCB
Overload relay trip contact
of Braking Resistor Unit
Fault contacts
Forward Run/Stop
Reverse Run/Stop
Braking Unit
External fault
* Disable stall prevention during deceleration by setting L3-04 to Resistor Unit. The motor may
not stop within the deceleration time if this setting is not changed.
Thermal switch
R/L1
U/T1
Inverter
V/T2
S/L2
T/L3 W/T3
Cooling fan
Fault contact output
Forward run com-
mand (forward run
when ON)
Reverse run com-
mand (reverse run
when ON)
Fig 10.4
Thermal
Thermal
protector
protector
Brak- Brak-
ing ing
Resis- Resis-
tor Unit tor Unit
Braking Unit 2
Thermal switch
Motor
Ground to 100 max.