Programming
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Modbus mapping
See “Modbus registers” on page 33 for mapping of HART-device process variables.
4.2.4.3 ARCOM
When the GW PL ETH/…BUS is connected with Emerson AMS, the ARCOM protocol must
be activated. Check the “ARCOM” protocol box and enter a TCP port number. It is freely
configurable, but you must ensure that no other service on the network is using the TCP port
chosen.
Click the “Apply Changes” button to activate ARCOM.
COM Port Redirector
The redirector application is used to create a virtual COM port on the PC running Emerson
AMS. The virtual COM ports are physically redirected to the network card and a destination
IP in the network. One GW PL ETH/…BUS with a corresponding IP address is configured
as the receiver in the network for each COM port.
The COM Port Redirector software can be downloaded from
phoenixcontact.com
Launch the redirector application, click the “New Port” button, and then select Client.
Choose a COM port number, and enter the IP address of the GW PL ETH/…BUS and
ARCOM TCP port number. Click the “OK” button to create the virtual COM port.
Figure 4-8 “Create New Port” dialog box
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