Emerson Rosemount OCX 8800 Reference Manual page 119

Table 7-3: Descriptions of PlantWeb Alerts
Alerts Alarms
NV Writes Defer- Resource block:
red 1. NV Writes De-
ferred
High Electronics Transducer block:
Temperature High Electronic
Temperature
ADC Failure Transducer block:
1. ADC Timeout
Error
2. ADC Refer-
ence Error
Reference Manual
(continued)
What does the
AMS tab alert indicate?
FF/Device Alerts
Device Alerts This alert indi-
cates that the
electronics tem-
perature has ex-
ceeded 80 °C
(176 °F). The de-
vice will cease to
operate reliably
beyond 85 °C
(185 °F).
Device Alerts This alert indi-
cates faulty oper-
ation of the de-
vice electronics.
Foundation Fieldbus
Recommended
action Description
A high number of
writes has been
detected to non-
volatile memory.
To prevent pre-
mature failure of
the memory, the
write operations
have been defer-
red. The data is
saved on a 6 hour
cycle. This condi-
tion usually exists
because a pro-
gram has been
written that
writes to function
block parameters
not normally ex-
pected to be writ-
ten to on a cyclic
basis.
Evaluate mount- The device may
ing location and require special
environment. mounting consid-
erations if instal-
led in a very hot
location.
Cycle power or re- The analog to dig-
place the elec- ital converter
tronics stack. (ADC) is continu-
ously monitored
by the device for
correct operation.
Refer to
Section 8.2
tails.
for de-
109