Jan 21, 2010

Main Cables used in Communicating PLC with Computer,HMI and Field Devices

To communicate a PLC with a Computer or a field device or HMI we need some special cables so that our data transfer can take place.
Most Common and General cables are of 3 types.

1.PM02- This is the most common cable which is used to connect a PLC and a Computer or a programming device. It has "D" Shaped at one end and Round at another.

2.HM02: This cable is has round RS232 Port in both the ends and generally used in connecting HMI's.

3.CP3: CP3 cable is used where it is a need of connecting both ends having "D" Ports.

Image source: plccable.com

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