Using DDE to communicate to RSLinx from Wonderware Application Server

phuz

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Jun 2008
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I am building a new galaxy for a customer and I am trying to test things as I go. All my Ethernet PLCs are OK, but I have a test PLC5 in my office that I communicate to via DH+ through a DHRIO module in the CLX chassis.

I set up a DDE topic in RSLinx (Gateway) so it's visible, and on the Wonderware side, I set up a DDESuiteLink client, using DDE, to access the RSLinx on the remote server. Unfortunately, it's not connecting. I tried "RSLinx" "RSLinx OPC Server" "RSLinx Remote OPC Server" for the server names, but none of them work.

Looking from my RSLinx side, I don't even see any connection attempts or anything in the DDE packet logs.

Any ideas?
 
Last edited:
Looks like DDE isn't supported anymore. I tried OPCClient and the Suitelink client using FSGateway. Getting very similar errors. I changed the DCOM permissions and restarted OPCEnum.

105891 12/12/2017 10:32:51 PM 6080 4656 Warning FSGateway Failed to create OPCEnum on node 'w520ssd'. If you specify server ProgID then FSGateway expects OPCEnum to be installed on the server node.
105892 12/12/2017 10:32:51 PM 6080 4656 Warning FSGateway If you don't have OPCEnum installed, please specify Server CLSID instead of ProgID.
105893 12/12/2017 10:32:51 PM 6080 4656 Warning FSGateway Connection lost or reconnect attempt failed. Retrying attempt 1 of 3 in 30000 ms
105894 12/12/2017 10:33:21 PM 6080 4656 Warning FSGateway Failed to create OPCEnum on node 'w520ssd'. If you specify server ProgID then FSGateway expects OPCEnum to be installed on the server node.
105895 12/12/2017 10:33:21 PM 6080 4656 Warning FSGateway If you don't have OPCEnum installed, please specify Server CLSID instead of ProgID.
105896 12/12/2017 10:33:21 PM 6080 4656 Warning FSGateway Connection lost or reconnect attempt failed. Retrying attempt 2 of 3 in 30000 ms
105897 12/12/2017 10:33:46 PM 6080 2476 Warning FSGateway Initial update from OPC server after activation/creation of item 'C5:7.ACC' in topic 'OPC_DeviceGroup' never occurred, injecting bad quality 18h
105898 12/12/2017 10:33:51 PM 6080 4656 Warning FSGateway Failed to create OPCEnum on node 'w520ssd'. If you specify server ProgID then FSGateway expects OPCEnum to be installed on the server node.
105899 12/12/2017 10:33:51 PM 6080 4656 Warning FSGateway If you don't have OPCEnum installed, please specify Server CLSID instead of ProgID.
105900 12/12/2017 10:33:51 PM 6080 4656 Warning FSGateway Connection lost or reconnect attempt failed. Retrying attempt 3 of 3 in 30000 ms
105901 12/12/2017 10:34:22 PM 6080 4656 Warning FSGateway Failed to create OPCEnum on node 'w520ssd'. If you specify server ProgID then FSGateway expects OPCEnum to be installed on the server node.
105902 12/12/2017 10:34:22 PM 6080 4656 Warning FSGateway If you don't have OPCEnum installed, please specify Server CLSID instead of ProgID.
105903 12/12/2017 10:34:22 PM 6080 4656 Warning FSGateway Reconnect attempt 3 of 3 failed. No more attempts will be made.
 

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