Emerson Rosemount OCX 8800, Instruction Manual

Page: 138 / 306

Section 7: Foundation
Fieldbus
April 2017
Instruction Manual
IM-106-880C, OI
11
2
Transducer Block Channel Assignments for AI
Blocks
Transducer Block
I/O Channel LTYPE
XD_SCALE
0
%
XD-Scale
100
%
Units
OUT_SCAL
E 0
%
OUT_SCALE 100
%
Units
Alarm
Number Description
Value of
XD_ERROR (see FF-
903)
23 Sample Block Temperature Low Mechanical Failure
24 Sample Block Temperature High Mechanical Failure
25 Sample Block Temperature Very High Mechanical Failure
26 Sample Block Heater Failure Mechanical Failure
27 Sample Block Heater Ramp Rate Electronics Failure
28 O2 Calibration Failed Calibration Error
29 Combustible Calibration Failed Calibration Error
30 Combustible Calibration Warning Calibration Error
31 O2 Calibration Recommended Calibration Error
32 EEPROM Corrupt Data Integrity Error
33 High Electronics Temperature Electronics Failure
34 ADC Timeout Error Electronics Failure
35 ADC Reference Error Electronics Failure
36 Heater Relay Failed Electronics Failure
37 Line Frequency Error Electronics Failure
38 Line Voltage Low Electronics Failure
39 Line Voltage High Electronics Failure
40 Inter-board Communication Failure Electronics Failure
-- Reserved for FB
7.10.3 Transducer Block Channel Assignments for AI Blocks
The following table lists the OCX transducer block I/O channels for the AI block.
Table 7-17 I/O Channel Assignments
Transducer Block
Channel Value
Process Variable XD_SCALE UNITS
1 O2 Concentration %
2 Combustibles Concentration PPM
3 O2 Cell Temperature °C
4 Combustibles Cell Temperature °C
The following table lists the recommended Settings for the OCX transducer block I/O channels
for the AI Blocks
Table 7-18 Recommended Settings for the I/O Channel Assignments for the AI Blocks
Value
1 Direct 0 100 % 0 100 %
2 Direct 0 1000 PPM 0 1000 PPM
3 Direct 0 1000 °C 0 1000 °C
4 Direct 0 1000 °C 0 1000 °C