10
-8
K
K
K
K
Using Braking Units in Parallel
This
example shows wiring for using two Braking Units in parallel.
Fig 10.4
A sequence is required to turn OFF the
power supply for the thermal overload relay
trip contacts of the Braking Resistor Unit.
MCCB
Inverter
Motor
Ground to 100
max.
Forward run com-
mand (forward run
when ON)
Reverse run com-
mand (reverse run
when ON)
Forward Run/Stop
Reverse Run/Stop
Braking Unit
External fault
Fault contacts
3-phase power
200 to 220 V 50 Hz
200 to 230 V 60 Hz
Thermal
protector
Thermal
protector
Brak-
ing
Resis-
tor Unit
Brak-
ing
Resis-
tor Unit
Thermal switch
Lev
el
det
ec
to
r
Braking Unit 2
Thermal switch
Cooling fan
Overload relay trip contact
of Braking Resistor Unit
Fault contact output
* 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.
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
Содержание SYSDRIVE 3G3RV
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