YASKAWA CIMR-G5A 4015 - Using a Braking Unit and Three Braking Resistor Units in Parallel

Appendix
12.4.4 Using a Braking Unit and Three Braking Resistor Units in Parallel
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12.4.4 Using a Braking Unit and Three Braking Resistor Units in Parallel
B
¨
0
400
400/200V
M
r
IM
3
4
3
5
+15
12
P
1
2
34
6
MASTER
SLAVE
12
P
B
12
P
B
VS-616G5
R
S
T
MC
U
V
W
R
S
©¨3
T
THRX
OFF
ON
MC
SA
1
2
MC
TRX
TRX
20 18
SA
SA
THRX
MC
©¨
©
0
18
19
20
A sequence is required to turn
OFF the power supply for the ther-
mal overload relay trip contacts of
the Braking Resistor Unit.
3-phase power
380 to 460 V
50/60 Hz
MCCB
Overload relay trip contact of
Braking Resistor Unit
Forward Run/Stop
Reverse Run/Stop
External fault
Braking Unit
Fault contacts
Voltage
460/440/415/
400/380V
Cooling fan
setting
Motor
(Ground to 10 Ω max.)
Fault contact
output
Forward run command
(forward run when closed)
Reverse run command
(reverse run when closed)
1
2
Thermal protector
Thermal protector Thermal protector
Braking
Resis-
tor Unit
Braking
Resis-
tor Unit
Braking
Resis-
tor Unit
Braking Unit
Thermal switch
Level
: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.
12