Wiring Examples; Using A Braking Resistor Unit; Using A Braking Unit And Braking Resistor Unit - YASKAWA VARISPEED-616G5 Instruction Manual

Appendix

12.4.1 Using a Braking Resistor Unit

12.4 Wiring Examples

12.4.1 Using a Braking Resistor Unit

12.4.2 Using a Braking Unit and Braking Resistor Unit

12
CIMR-G5A20P4 to -G5A27P5 (200 V class Inverters of 0.4 to 7.5 kW)
CIMR-G5A40P4 to -G5A4015 (400 V class Inverters of 0.4 to 15 kW)
A sequence is required to turn
OFF the power supply for the
thermal overload relay trip con-
tacts of the Braking Resistor Unit.
3-phase power
R
200 to 230 V
50/60 Hz
S
or
380 to 460 V
T
50/60 Hz
THRX
OFF
Overload relay trip contact
of Braking Resistor Unit
1 2
MC
CIMR-G5A2011, -G5A2015 (200 V class Inverters of 11 kW, 15 kW)
A sequence is required to turn
OFF the power supply for the ther-
mal overload relay trip contacts of
the Braking Resistor Unit.
Short-circuit bar
MCCB
R
3-phase power
200 to 230 V
S
50/60 Hz
T
ON
THRX OFF
MC
Overload relay trip contact
of Braking Resistor Unit
THRX
2
1
MC
TRX
20 18
Fault contacts
Forward Run/Stop
Reverse Run/Stop
Braking Unit
3
External fault
DC Reactor to
improve input
power factor
(Optional)
Short-circuit bar
MCCB
¨1
MC
R (L1)
S (L2)
T (L3)
*1 400/200 V
ON
MC
MC
SA
THRX
SA
TRX
* 1 A transformer is not required for 200 V class Inverters.
SA
* 2 Remove the short-circuit bar (normally connected) from between terminals
TRX
¨1 and ¨2 when connecting a DC Reactor (Optional).
* 3 Disable stall prevention during deceleration by setting L3-04 to "0" when us-
20 18
ing a Braking Resistor Unit. The motor may not stop within the deceleration
Fault contacts
time if this setting is not changed.
Braking Unit
(Optional)
DC Reactor to
improve input
power factor
(Optional)
*1
¨1 ¨2 ¨3
MC
R (L1)
S (L2)
T (L3)
VS-616G5
MC
SA
SA
* 1 Remove the short-circuit bar (normally connected) from between terminals
SA
¨1 and ¨2 when connecting a DC Reactor (Optional).
TRX
* 2 Disable stall prevention during deceleration by setting L3-04 to "0" when us-
ing a Braking Resistor Unit. The motor may not stop within the deceleration
time if this setting is not changed.
Forward run command
(forward run when closed)
Reverse run command
(reverse run when closed)
4
3
12 - 8
Braking Resistor overheating contacts
(Thermal overload relay trip contacts)
1 2
Braking Resistor Unit
P B
*2
B1 B2
¨2 ©
U (T1)
V (T2)
W (T3)
VS-616G5
(200 V class Inverters: Ground
to 100 Ω max., 400 V class In-
verters: Ground to 10 Ω max.)
¨
0 P
¨
©
0
B
Level
2
1
detector
©
Braking Resistor overheating contacts
3
4
(Thermal protector trip contacts)
©
Motor
U (T1)
V (T2)
IM
W (T3)
(Ground to 100 Ω max.)
*3
Motor
IM
*2
Braking Resistor Unit
(Optional)