Hitachi SJ Series User Manual page 83

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Wiring Portion Under Control Circuit

・[ ] indicates the factory default setting.

Alarm relay output

Output terminals

・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

(See the chapter for output terminals)

Relay output

Control circuit terminal area

Input terminals

Wire Connection and Optional Devices

Logic of input terminals

Using SW6, switch the sink/source

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