
Reference Manual
0080
9-
010
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1, Re
v. AA
Ma
y 2
007
4-61
Rosemount 3490 Series
Table 4-15. Reporting of Alarms and Faults
CATEGORY SOURCE
CAUSE
AS SEEN ON-SCREN
STATUS
LED
PRIMARY
DISPLAY
Pxxx
SCREEN
RELAY
CURRENT
OUTPUT
ALARM
REPORT
(D830)
FAULT
REPORT
(D831)
ALARM
3490
Current Output reached linear limit
mA o/p Sat
Yes
Yes
Yes
Logging memory almost full
Lg Mem Filling
Yes
Yes
Yes
Logging memory is full
Log Mem Full
Yes
Yes
Digital Input 1 active
Digital In 1
Yes
Yes
Yes
Digital Input 2 active
Digital In 2
Yes
Yes
Yes
Alarm suppressed by digital input
Alarm Suppressed
Yes
Custom relay operation retries exceeded Max Retries
Yes
Yes
Yes
Current input below lower linear limit
mA In Low
Yes
Yes
Yes
Current input above higher linear limit
mA In High
Yes
Yes
Yes
Raising level despite relays on
Rising Level
Yes
Yes
Yes
Relay number of operations exceeded
Relay Operations
Yes
Yes
Yes
Relay run-time exceeded
Relay Runtime
Yes
Yes
Yes
Pump efficiency below limit
(1)
(1) Pump efficiency feature is on models 3491 and 3492 only.
Pump Efficiency
Yes
Yes
Yes
No activity of Control Relay
No activity
Yes
Yes
Yes
XMTR
Transmitter PV out-of-limits
PV OL
Yes
Yes
FAULT
3490
Rom checksum error
ROM Error
On
Yes
Yes
Yes
Yes
RAM test error
RAM Error
On
Yes
Yes
Yes
Yes
Real Time Clock Fault
Clock fault
On
Yes
Yes
Yes
Yes
EEPROM Signature Error
EEPROM Sig err
On
Yes
Yes
Yes
Yes
EEPROM checksum error
EEPROM CKS err
On
Yes
Yes
Yes
Yes
ADC error
ADC_error
On
Yes
Yes
Yes
Yes
Control Unit temperature out-of-limits
CU Temp OL
On
Yes
Y
Yes
Xmtr
Field Device Malfunction
Xmtr Fault
On
Yes
Yes
Yes
Yes
Summary of Contents for 3491
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