9. Specifications
Standard Wiring
U
DC Reactor
(Option)
X
Short-circuit bar
*1
MCCB
R
For single-phase, use R/L1 and S/L2.
S
T
FORWARD
RUN/STOP
REVERSE
RUN/STOP
FAULT RESET
EXTERNAL FAULT
(NO Contact)
MULTI-STEP
SPEED REF.1
S1
S2
S3
S4
S5
+2
R/L1
S/L2
T/L3
+1
−
2 k Ω
P P
Frequency Setting
Potentiometer
U/T1
V/T2
W/T3
IM
MA
MB
MC
RUNNING
Multi-function
*2 output
250 VAC 1 A or less
30 VDC 1 A or less
SC
Shielded Connection
Terminal
FS Frequency Setting Power Supply
(+12 V 20 mA)
FR
FC
Speed Frequency Reference
0 to +10 V (20 k Ω ) or
4 to 20 mA/0 to 20 mA (250 Ω )
0 V
Digital Operator
Frequency
Setting
Volume
MIN MAX
AM
AC
P FM
Analog Monitor
Output
0 to +10 VDC
(2 mA)
Output Frequency
Shielded P Shielded twisted-pair cable
: Only basic insulation (Protective class 1, overvoltage categoly II) is provided for the
control circuit terminals. Additional insulation may be necessary in the end product
to conform to CE requirements.
*1. Shorting bar must be removed when connecting DC reactor.
*2. Minimum permissible load: 5 VDC, 10 mA (as reference value)
113
114
Terminal Descriptions
Type Terminal
R/L1, S/L2,
T/L3
Name
AC power supply input
Function (Signal Level)
Use main circuit power input. (Use terminals
R/L1 and S/L2 for single-phase Inverters.
Never use terminal T/L3.)
Inverter output U/T1, V/T2,
W/T3
+2, +1
Inverter output
+1, -
DC reactor connection
DC power supply input
Grounding
When connecting optional DC reactor, remove the main circuit short-circuit bar between +2 and +1.
DC power supply input (+1: positive − : negative) *1
For grounding (according to the local grounding codes)
S1
S2
S3
Forward run input
Multi-function input selection 2
Multi-function input selection 3
Closed: FWD run, open: REV run
Factory setting closed:REV run open: FWD run
Factory setting: Fault reset
Photocoupler insulation,
24 VDC,
8 mA
S4
S5
SC
FS
Multi-function input selection 4
Multi-function input selection 5
Multi-function input selection common
Power for frequency setting
Factory setting: External fault (NO contact)
Factory setting: Multi-step speed reference 1
For control signal
+12 V (permissible current 20 mA max.)
FR
FC
MA
MB
Master speed frequency reference
Frequency reference common
NO contact output
NC contact output
0 to +10 VDC (20 k Ω ) or 4 to 20 mA (250 Ω ) or 0 to 20 mA (250 Ω ) (1/1000 resolution)
0 V
Factory setting: running Contact capacity
250 VAC 1 A or less,
30 VDC 1 A or less
MC Contact output common
AM
AC
Analog monitor output
Analog monitor common
Factory setting: Output frequency 0 to +10 VDC
0 V
0 to +10
VDC, 2 mA or less,
8-bit resolution
* 1. DC power supply input terminal is not applied to CE/UL standard.
* 2. Minimum permissible load: 5 VDC, 10 mA (as reference value)
