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neildobson

DH+ Connectivity options

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We have been asked to carry out some code modifications to a network of 5/04 processors and panelview terminals all connected on a single DH+ segment. I would have been happy to connect to each device using the CPU's RS232 port using a CP3 cable, however some CPUs are doing point-to-point comms with other devices such as servo drives, and I have been unable to establish a link with them using RSLinx. I thought that there might be a way to tunnel through one CPU via its serial port and gain access to another CPU on the same network over DH+. However this does not seem to work for me and the processors that I can actually connect to show up as the only available devices in Linx. My question is what is the most economical way of connecting to any CPU and panelview terminal over DH+ network using a laptop PC? Thanks for your help. Edited by neildobson

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You should be able to access the DH+ network through the comm port of the SLC using DF1 to DH+ Passthrough. This link may be helpful for you using that option. http://www.plctalk.net/qanda/showthread.ph...652&postcount=4 Otherwise you will need a DH+ PCMK card and cable for your laptop. http://forums.mrplc.com/index.php?act=Atta...pe=post&id=2152 Edited by TechJunki

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You may also look at chapter 14 of THIS manual starting on page 14-3

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