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Hitachi SJ Series
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7-28
Chapter 7
Wire Connection and Optional Devices
7.7.3 Wiring Portion Under Control Circuit
[ ] indicates the factory default setting.
When connecting contacts to control
circuit terminals, use a relay that does
not generate contact failure even at
weak current or voltage emitted from
cross-bar twin contacts.
When connecting a relay with output
terminals, connect a diode for
absorbing surge in parallel with the
coil.
Otherwise, internal elements may
burn.
(See the chapter for output terminals)
Control circuit terminal area
16:[ZS]
AL:[AL]
Input terminals
1
[RS]
2
[SCHG]
3
[JG]
4
[FRS]
5
[2CH]
6
[CF1]
7
[CF2]
8
[RV]
9
[FW]
A
[EXT]
B
[USP]
COM
COM
COM
16A
16C
Relay output
terminal
11
[RUN]
12
[FA1]
13
[FA2]
14
[IRDY]
15
[OL]
CM2
Output terminals
AL2
AL1
AL0
Alarm relay output
terminal
Mal-
functioning
Do
Logic of input terminals
Using SW6, switch the sink/source
logic.
Failure
Do

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