Connect To Serial Ports - Emerson Rosemount 370XA System Reference Manual

System Reference Manual
7P00370-H01
3.10

Connect to serial ports

The 370XA has two serial ports on the back plane that can be
individually configured for RS-232 or RS-485 mode using the local
operator interface or MON2020. The cables for the serial
communications should be individually shielded pairs with the shield
connected to a clean electrical earth at one end only.
1.
-
-
-
2.
-
-
-
To configure the serial ports after power has been applied, refer to
"Connect to serial ports" on page
3 - 34
Port 1
Modes: RS-232 and RS-485
back plane location: TB4
Supported Modbus formats: ASCII and RTU
Port 2
Modes: RS-232 and RS-485
back plane location: TB9
Supported Modbus formats: ASCII and RTU
370XA Gas Chromatograph
3-34.
APRIL 2014