New answers tagged plc
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Using the PLC output to mimic a NPN sensor as the input to a device
Here's the existing schematic.
This is the altered one.
The dry contact of a PLC relay output is used to pull-down the device input.
The contact of an external relay, driven by the PLC output, may ...
- 17.5k
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Using the PLC output to mimic a NPN sensor as the input to a device
I do know how to use this sensor as input to PLC.
The answer depends on the PLC you will connect the sensor to.
What type of input does your PLC have?
There are two types, these are called:
PNP. ...
- 1,507
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Using the PLC output to mimic a NPN sensor as the input to a device
An "NPN signal" is also known as an open collector signal.
High impedance in one state and grounded in the other.
You could do thin in a plc using a relay output or possibly using a digital ...
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