Emerson Rosemount OCX8800C Manual page 139

Oxygen and combustibles analyzer for hazardous areas
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Manual
00809-0500-4881
Recommended action
The actual mode of the resource block is OOS. See resource block diagnostics for
corrective action.
Potential cause
Schedule. Block is not scheuled and therefore cannot execute to go to Target mode.
Recommended action
Schedule the block mode to execute.
Process and/or block alarms will not work
Potential cause
FEATURES_SEL does not have alerts enabled.
Recommended action
Enable the Alerts bit.
Potential cause
LIM_NOTIFY is not high enough.
Recommended action
Set LIM_NOTIFY to equal MAX_NOTIFY.
Potential cause
STATUS_OPTS has Propagate Fault Forward bit set.
Recommended action
Clear the Propogate Fault Forward bit.
Value of output does not make sense
Potential cause
Linearization type.
Recommended action
Set L_TYPE to Direct, Indirect, or Indirect Square Root; do not leave it at the initial
value of
Potential cause
Scaling parameters are set incorrectly.
Recommended action
Set XD_SCALE.EU0 and EU100 to match that of the transducer block channel value.
Cannot set HI_LIMIT, HI_HI_LIMIT, LO_LIMIT, or LO_LO LIMIT
values
Potential cause
Limit values are outside the OUT_SCALE.EU0 and OUT_SCALE.EU100 values.
Rosemount OCX8800C
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0
F
Fieldbus
OUNDATION
April 2023
139

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