YASKAWA CIMR-G5A Series - Using Braking Units in Parallel

12.4 Wiring Examples
12 - 11
12.4.3 Using Braking Units in Parallel
5
+15
Braking Unit 2
MCCB
3-phase power
200 to 230 V
50/60 Hz
Motor
IM
M
r Cooling fan
VS-616G5
Braking Unit
34
3
(Ground to 100 Ω max.)
Thermal protector
12
Braking
Resis-
tor Unit
B
1
2
34
Thermal switch
P
Thermal switch
6
P
Level
MASTER
SLAVE
Overload relay trip contact of
Braking Resistor Unit
A sequence is required to turn
OFF the power supply for the
thermal overload relay trip con-
tacts of the Braking Resistor Unit.
:Disable stall prevention during deceleration by setting L3-04 to “0” when using a Braking
Resistor Unit. The motor may not stop within the deceleration time if this setting is not
changed.
5
Thermal protector
12
Braking
Resis-
tor Unit
B
1
2
34
P
6
MASTER
SLAVE
R
S
T
MC
U
V
W
R
S
T
©¨3
THRX
OFF
ON
MC
SA
1
2
MC
TRX
TRX
20 18
Fault contacts
SA
SA
THRX
MC
©©¨¨¨
0
¨
0
©
0
©
0
Forward Run/Stop
Forward run command
(forward run when closed)
Reverse Run/Stop
Reverse run command
(reverse run when closed)
External fault
18
19
20
Fault contact
output
12