Omron MX2 Series User Manual page 113

• When using the external Regenerative Braking Unit, remove the built-in resistor. Using the
Regenerative Braking Unit with the built-in resistor connected may cause damage to the
built-in resistor.
• Wiring diagram for connecting one Braking Unit.
MCCB
R
S
T
3-phase 200 V
Regenerative br
*1. For RY, select the contact rating according to the ratings of the coils MC1 and MC2.
*2. MC1 and MC2 are used to provide redundancy.
Precautions for Correct Use
• Each braking resistor has alarm contact (thermal relay output) terminals. Be sure to perform
wiring for these terminals so that alarm in the system is generated when overtemperature is
detected.
Multi-function Compact Inverter 3G3MX2-EV2 User's Manual (I666-E1)
MC1 MC2
ON
Fuse
Inverter
*2
MC1 MC2
R/L1 U/T1
S/L2 V/T2
T/L3 W/T3
P/+
N/−
RY
OFF
Motor
AL1 AL2 RB
P
P
Braking Unit
N
Master
2 Design
*1
RY
MC1
2
MC2
1(AL1) RB
2(AL2)
P
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