Emerson Rosemount 700XA Reference Manual page 171

Reference Manual
2-3-9000-744
A. TB1, Serial Port 0, RS232
B. TB2, Serial Port 0, RS422/485
C. TB5, Serial Port 1, RS232
D. TB8, Serial Port 2, RS232
E. TB9, Serial Port 2, RS422/485
16. Once the appropriate termination blocks are wired correctly, close and secure the
Install optional RS-232 serial ports
You can install an optional RS-232 board in one or both of the expansion in/out (I/O) slots
provided on the gas chromatograph's (GC's) card cage in the electronics enclosure.
You can use this extra port for Modbus
to a computer installed with Rosemount MON2020.
Rosemount 700XA
electronics enclosure door, and apply power to the GC.
Operation and maintenance
®
ASCII/RTU communications or to connect directly
June 2022
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