Instruction manual

Instruction Manual
760006-A
September 2001
1-18 Description and Specifications Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA 2000 Platform
Orientation
: PCB is located behind connector.
Pin Assignments
A1 +24 VDC
A2 +24 VDC Return
A7 Network
C1 +24 VDC
C2 +24 VDC Return
C7 Network
1
A
C
PCB
Rear of Plate
Output Connector
Backplane
Connector
Figure 1-13. Analog I/O Module Backplane Connector Pin Assignments
AUTOCALIBRATION
FEATURE ANALOG I/O
SINGLE SYSTEM
LON I/O SERIAL I/O
Analog Output
1 1 None None 2 (to 6)
Auto Range
Change
Yes No No No No
Alarm Output Yes - programmable No No No Yes - fixed
Serial Output No No No Yes - V2 Yes (optional)
Digital Input Yes - programmable Yes - fixed Yes - fixed No No
Lon I/O No No No Yes No
Calibration Gas
Control
No
Yes - single
Analyzer
Yes - up to 4
Analyzers
No No
Table 1-2. I/O Module Features