Emerson Rosemount OCX 8800 Reference Manual page 118

Foundation Fieldbus
Table 7-3: Descriptions of PlantWeb Alerts
Alerts Alarms
NV Memory Fail- Transducer block:
ure EEPROM Corrupt
Resource block:
1. Manufactur-
ing
2. Block Integrity
Error
3. NV Integrity
Error
4. ROM Integrity
Error
108
(continued)
What does the
AMS tab alert indicate?
FF/ Device Alerts The non-volatile
parameter stor-
age on the CPU
board has be-
come unreliable.
Recommended
action Description
At startup, wait 2 This alarm gener-
minutes with ally occurs during
power applied a startup condi-
and then cycle tion. Rarely, the
power again or re- device could be
set the device. powered down
while a parameter
is being stored to
the non-volatile
memory. The pa-
rameter is then
tagged as bad on
the next power
on, and the mem-
ory contents are
written with de-
fault parameters.
Calibration data
may be lost; reca-
librate the unit. If
the unit does not
recover automati-
cally, the memory
may be faulty; re-
place the elec-
tronics stack. Re-
fer to Section 8.2
for details.
OCX 8800