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titleNotes for all RBX processing
  • Each device in ACM that will process RBX messages must have at least one active register item. This can be from an OPC client or using an alias list with its Activate Tags property enabled.
  • To make ACM poll for items during a call-in, the device option to ‘Perform a demand poll during a call-in’ must be enabled. This option is on the Device Options tab of the Mercury setup.
  • To make ACM poll for historical data during a call-in, the device option to ‘Retrieve history during call-in’ must be enabled. This option is on the Device Options tab of the Mercury Setup.
  • To make a device object accept the call-in, it must have the “Enable Unsolicited Support” option checked on the Connections tab.
  • When ACM is using a modem as the connection, the modem connection must be maintained to complete these steps successfully. This requires the use of a Hang Up delay in the Modem setup for the port assigned to the Mercury devices. Just a few seconds should be sufficient.

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  1. Create a unique TCPIP Port object for each field device.
  2. Set the Connection Type property to TCP.
  3. Enter the field device's connection parameters in the Host Address and Port properties.
  4. Set the Port Control property to Maintain Control.
  5. Advise at least one OPC register item in your client application, or alias list, and poll it at least once to establish the TCP connection.
  6. On the field device, set item 486, Modem AT Call (Command) Enable, to "Always Connected No Dial" or "No", depending upon model.


Info

There is no need to configure the field device's call-in numbers for use with a TCP/IP Connection object.

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