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3.4
EXTERNAL TERMINALS
(1) Main Circuit Terminal Functions
Table 11
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(2) Control Circuit Terminal Functions
Table 12
Type
Sequence Input
Photocoupler
Output
Relay Output
Analog Output
g
* Indicates the terminal number of the control card.
Main Circuit Terminal Functions
Terminal Symbol
R/L1
S/L2
Power
T/L3
Regenerative
g
U it
Unit
Main Circuit Input
Power Supply
Voltage Detection
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Power Input for
FAN and MC
Control Circuit Terminal Functions
No.*
Signal Input
S1
MANUAL RUN
S2
AUTO RUN
S3
EXFLT
S4
RESET
SC
Sequence Common
SS
Photocoupler internal
common
SP
Sequence +24V Power
Supply
M1 - M2
CONV READY
p
M3 - M4
RUN
MA - MC
FAULT Output
MB - MC
(Transfer Contact)
p
AM
Input Current
AC
Analog grand
Main circuit AC power supply terminal for the power regenerative unit.
Connect to the Inverter's DC power supply voltage input terminals.
S Two terminals are provided for both
Detects the phase sequence and the voltage level.
S Connect to the power side of the power coordinating reactor.
Supplies power for the cooling fan and inrush prevention MC of the power
regenerative unit.
Function
Run when CLOSED, stops when
OPEN
Auto run (regenerative operation)
when CLOSED
External fault when CLOSED
Fault reset when CLOSED
Closed when power regenerative unit
is READY
CLOSE during run
Outputs when a fault is detected.
Terminal MA-MC : Closed during
Terminal MB-MC : Open during
5 V : 100 % of rated input current
3
Description
and
.
¨
©
Signal Level
24 VDC 8 mA
Photocoupler
i l ti
isolation
48 VDC 80 mA
or less
250 VAC 1 A or less
30 VDC 1 A or less
fault detection
fault detection
− 10 V to + 10 VDC
2 mA or less
2 A
WIRING
p
l
33
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