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RyanB

Host Link Communication vis CJ1W-SCU41-V1

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Hello,

I am trying to establish communication between a CJ1W-SCU41-V1 and a third party device using Host Link communication. The device is attempting to do DM reads and writes to my CJ2H-CPU64-EIP via the CJ1W-SCU41-V1 (Port 2 RS-232C). I've seen plenty of information in manuals on how to do host link communication from the PLC to another device but I haven't found what I need to allow this device to write to my PLCs DM area. Other than configuring the SCU host link settings in CX-Programmer what else do I need to do to allow this device to do DM reads and writes? 

Thank you for any help.

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Nothing, except put the PLC in Monitor Mode (for writing).  The cable is not a standard pinout. If the communication settings match and the 3rd party device has properly implemented Host Link communications, it will work.

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