2-10
Sequence I/O Terminals
Control Power Supply Input Terminals
Table 2.5 Sequence I/O Signals
Type Signal Name Signal Level
Terminal
Code
Terminal Function
Sequence input ter-
minals
Primary switchgear
power on
Contact input
110 VAC, 15 mA
1
On when the power turns on
(Short-circuited at shipment)
2
Operation interlock _1
Contact input
110 VAC, 15 mA
3
On when interlocked
(Short-circuited at shipment)
4
Operation interlock_2
Contact input
110 VAC, 15 mA
5
On when interlocked
(Short-circuited at shipment)
6
Speed reference
selection
Contact input
110 VAC, 15 mA
7
Fixed speed selection: on
External input reference: off
(Open at shipment)
8
External fault reset
Contact input
110 VAC, 15 mA
9
Reset when on
10
Reserved −
11 to 29,
and 38
−
Sequence output ter-
minals
Inverter has serious fault
N.O. (Normally Open) contact
relay output
LY4N 110 VAC (manufactured
by OMRON Corporation)
110 VAC/7.5 A, 24 VDC/5 A
30
On when a serious fault occurs
31
Inverter in operation
N.O. contact relay output
LY4N 110 VAC (manufactured
by OMRON Corporation)
110 VAC/7.5 A, 24 VDC/5 A
32
On during operation
33
Inverter ready
N.O. contact relay output
LY4N 110 VAC (manufactured
by OMRON Corporation)
110 VAC/7.5 A, 24 VDC/5 A
34
On when Inverter is ready to be
operated
35
Inverter has minor fault
N.O. contact relay output
LY4N 110 VAC (manufactured
by OMRON Corporation)
110 VAC/7.5 A, 24 VDC/5 A
36
On when a minor fault occurs
37
Medium-voltage power
supply off command
N.C. (Normally Closed) con-
tact output
MM2XP 110 VAC (manufac-
tured by OMRON Corporation)
220 VAC/7.5 A, 110 VDC/6 A
39
On when the medium-voltage
power supply must be shut off
40
Reserved −− −
Table 2.6 Control Power Supply Input Terminals
Type
Signal
Name
Terminal Function
Terminal
Code
Remarks
Control power supply
input terminals
R
200/220 VAC, 50/60 Hz
RC
SSC
TTC
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