114
Terminal Descriptions
* 1. DC power supply input terminal is not applied to CE/UL standard.
* 2. Minimum permissible load: 5 VDC, 10 mA (as reference value)
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
+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)
Control Circuit
Input
Sequence
S1 Forward run input
Closed: FWD run,
open: REV run
Photo-
coupler
insulation,
24 VDC,
8mA
S2 Multi-function input
selection 2
Factory setting closed:REV run
open: FWD run
S3 Multi-function input
selection 3
Factory setting: Fault reset
S4 Multi-function input
selection 4
Factory setting: External
fault (NO contact)
S5 Multi-function input
selection 5
Factory setting: Multi-step
speed reference 1
SC Multi-function input
selection common
For control signal
Frequency
reference
FS Power for frequen-
cy setting
+12 V (permissible current 20 mA max.)
FR Master speed fre-
quency reference
0 to +10 VDC (20 kΩ) or 4 to 20 mA (250 Ω)
or 0 to 20 mA (250 Ω) (1/1000 resolution)
FC Frequency refer-
ence common
0 V
Output
Multi-function
contact output
MA NO contact output Factory setting: running Contact ca-
pacity
250 VAC 1 A
or less,
30 VDC 1 A
or less
MB NC contact output
MC Contact output
common
AM Analog monitor out-
put
Factory setting: Output fre-
quency 0 to +10 VDC
0 to +10
VDC, 2 mA
or less,
8-bit resolu-
tion
AC Analog monitor
common
0 V
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