9 Specifications
215
Connection Example of Braking Resistor
* Disable stall prevention during deceleration by setting n092 to 1 when using
a Braking Resistor Unit. The motor may not stop within the deceleration
time if this setting is not changed.
Terminal Descriptions
Type
Terminal
Name
Function (Signal Level)
Main
Cir-
cuit
L1, L2, L3
of L, N
AC power supply input
of input filter
Connect AC power supply to the input filter
R/L1, S/L2,
T/L3
AC power supply input
Do not use these terminals.
Input filter is pre-wired to
these terminals.
U/T1, V/T2,
W/T3
Inverter output
Inverter output
B1, B2
Braking resistor con-
nection
Braking resistor connection
+2, +1
DC reactor connection
When connecting optional DC reactor, remove the main
circuit short-circuit bar b2 and +1.
+1, -
DC power supply
input
DC power supply input (+1: positive
−
: negative)
*1
Grounding
For grounding (according to the local grounding codes)
L1 L2 L3
L1
L2
L3
PE
M
3
Example of 3 phase,
400V 0.55kW inverter
DC bus
terminals
external braking
resistor
Use sequencer
to break power
supply side on
overload relay
trip