
10-7
10.5 Wiring input/output lines
10.5.1 Wire input side
Do not add exceeded voltage over rated input voltage to input terminal.
Connection with photoelectronic sensor, nearby sensor
Relay output type
NPN open collector output type
Voltage output type
2-wire system output type
Cautions for using reed switch with LED
Even if serial LED is in input contact such
as reed switch with LED, add voltage over
ON voltage to input terminal. Especially,
pay attention that when several switches
are connected in series.
Cautions for using 2-wire system sensor
When using 2-wire system photoelectronic
sensor or nearby sensor, and if input
doesn’t become OFF due to leakage
current, connect a bleeder resistor as the
left.
Cautions for using limit switch with LED
When using limit switch with LED, and if
input doesn’t become OFF due to leakage
current, connect a bleeder resistor as the
left.
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Содержание KR20
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