Instruction manual

Instruction Manual
760006-A
September 2001
11-36 Appendices Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA 2000 Platform
SIGNAL NAME
PIN
RS-232 RS-485
1NC RxD- Input
2 RxD Input RxD+ input
3 TxD Output TxD+ Output
4NC TxD- Output
5 Ground Shield
6 Relay 1 NO Relay 1 NO
7 Relay 2 NO Relay 2 NO
8 Relay 3 NO Relay 3 NO
9 Relay common Relay common
Table 11-10. Local I/O 9-Pin Sub-D Connector Pin Identification