Other PLC-optocoupler-3wire_sensor

Tayfur

Well-Known Member
Licensed User
Normaamly cınnecftion reading 24Volt(Right side) .its normal.

But .I connected Optocubler board like under below. Iam reaading A-B points 12Volt.
Why reduce voltage. This is problem for PLC.

How can i fix? What/where is problem.

I am not Elektroinc tech. Please explane simple. Thanks.
upload_2019-8-6_15-49-17.png upload_2019-8-6_15-57-50.png

upload_2019-8-6_15-49-17.png
 
Last edited:

Tayfur

Well-Known Member
Licensed User
Use an external source. The device should not sink more than 3mA at 24 V. Is sensor able to work at 24 V? I don't have any info
sorry my late anser. (national holiday)

I tried External power source. its not changed.

Sensors : DC10...30V
Ia:200mA
 
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