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Productivity 1000 RS-232 communication with Integra/Calamp DataRadio

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  • Productivity 1000 RS-232 communication with Integra/Calamp DataRadio

    We have installed 6 Prod 1k PLCs communicating via the RS232 port (Modbus RTU, 2400, No Parity, 8, 1, RTS Off) to the Integra Dataradio VHF radios which transmit to a repeater (using DOX not RTS) to monitor data and communications, initial installation works fine for a time period then the communication appears to fail. Radios are troubleshot for faulty feedline equipment, etc, any issues resolved, still no communication to the repeater. Wipe and reload the PLC, no immediate change; the communications usually start working on their own for no rhyme or reason. One thought was there could be an overload of data within the PLC causing the data string to be too long, why we tried wiping and reloading. Currently we have 4 out of 6 communicating, had 2 fail yesterday that resolved themselves.

    Any ideas?

    Prod1k Pinout to Dataradio Pinout

    1 GND TO 5 GND
    2 +5V not used
    3 RXD TO 2 RXD (output from integra to DTE; DTE being the device plugged into the com port, in this case Prod1k)
    4 TXD TO 3 TXD (input from DTE to integra)
    5 RTS not used
    6 GND not used
    1 DCD
    4 DTR
    6 DSR
    7 RTS
    8 CTS
    9 RI

    Again, we have had data communication, one site has been operational since Nov '18, its first comm fail was yesterday resolved this morning...

  • #2
    Request you go online with one of the CPU's and create a system report. You can post to this thread or if needed contact our technical support team so we can begin a trouble ticket on this issue.

    If you have an urgent issue, please contact AutomationDirect's Technical Support team. Technical Support: 1(800) 633-0405 or (770) 844-4200 Email Tech Support