Instruction manual

232
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 Circuit
R/L1, S/L2,
T/L3
AC power supply
input
Use main circuit power input. (Use terminals
R/L1 and S/L2 for single-phase Inverters.
Never use terminal T/L3.)
U/T1, V/T2,
W/T3
Inverter output Inverter output
B1, B2 Braking resistor
connection
Braking resistor connection
+2, +1 DC reactor connec-
tion
When connecting optional DC reactor, re-
move the main circuit short-circuit bar be-
tween +2 and +1.
+1, - DC power supply
input
DC power supply input (+1: positive −: nega-
tive)
*1
Grounding For grounding (according to the local ground-
ing codes)
Braking resistor unit
overload relay trip contact
Use sequencer to
break power supply
side on overload
relay trip contact