Table 8-15: Detailed Status
(continued)
Alarm number Description Value of XD_ERROr (see FF-903)
36 Heater relay failed Electronics failure
37 Line frequency error Electronics failure
38 Line voltage low Electronics failure
39 Line voltage high Electronics failrue
40 Inter-board communication failure Electronics failure
N/A Reserved for FB N/A
8.7.3 Transducer block channel assignments for analog
input (AI) blocks
Table 8-16 lists the Rosemount OCX8800 transducer block in/out channels for the
AI block.
Table 8-16: I/O Channel Assignments
Transducer block channel
value
Process variable XD_SCALE_UNITS
1 O
2
concentration %
2 Combustibles concentration ppm
3 O
2
cell temperature º C
4 Combustibles cell
temperature
º C
Table 8-17 lists the recommended settings for the Rosemount OCX8800
transducer block I/O channels for the AI blocks.
Table 8-17: Recommended Settings for the I/O Channel Assignments for the A/I Blocks
Transducer
block I/O
channel
value
LTYPE XD-Scale
0%
XD-Scale
100%
Units OUT_SCALE
0%
OUT_SCALE
100%
Units
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
8.7.4 Transducer block channel status
The status of channels 1 through 4 are affected by the state of the unit alarm. In
all cases, the channel reads what it believes are the correct sensor values. Self-
F
OUNDATION
™
Fieldbus Manual
December 2022 00809-0500-4880
144 Emerson.com/Rosemount
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