Rosemount 3491 - Page 93

Reference Manual 00809-0100-4841, Rev. AA May 2007
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 Ye s
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 Ye s 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