Sel 2414 - Page 234

10.12
SEL-2414 Transformer Monitor Instruction Manual Date Code 20130214
Testing and Troubleshooting
Self-Test
External RTDs (run time) Fail if unable to communicate with the
external RTD device, the external RTD
device has a failed power supply, there is
an open RTD, or there is a shorted RTD.
NA NA EXTRTD
OK/FAIL
Status Fail
CID (Configured IED
Description) file (access)
Fail if unable to access/read the file. NA NA CID_FILE
OK/FAIL
Status Fail
+3.3 V Warn Monitor +3.3 V power supply
3.16 to 3.43 V
No Pulse, 5
sec
+3.3 V
OK/WARN
+3.3 V Fail Monitor +3.3 V power supply
3.07 to 3.53 V
Yes Latched +3.3 V
OK/FAIL
Status Fail
+3.3 V
Failure
+5 V Warn Monitor +5 V power supply
4.75 to 5.25 V
No Pulse, 5
sec
+5 V
OK/WARN
+5 V Fail Monitor +5 V power supply
4.65 to 5.35 V
Yes Latched +5 V
OK/FAIL
Status Fail
+5 V Failure
+2.5 V Warn Monitor +2.5 V power supply
2.40 to 2.6 V
No Pulse, 5
sec
+2.5 V
OK/WARN
+2.5 V Fail Monitor +2.5 V power supply
2.32 to 2.68 V
Yes Latched +2.5 V
OK/FAIL
Status Fail
+2.5 V
Failure
+3.75 V Warn Monitor +3.75 V power supply
3.6 to 3.9 V
No Pulse, 5
sec
+3.75 V
OK/WARN
+3.75 V Fail Monitor +3.75 V power supply
3.48 to 4.02 V
Yes Latched +3.75 V
OK/FAIL
Status Fail
+3.75 V
Failure
–1.25 V Warn Monitor -1.25 V power supply
–1.2 to –1.30 V
No Pulse, 5
sec
–1.25 V
OK/WARN
–1.25 V Fail Monitor -1.25 V power supply
–1.16 to –1.34 V
Yes Latched –1.25 V
OK/FAIL
Status Fail
–1.25 V
Failure
–5 V Warn Monitor -5 V power supply
–4.75 to –5.25 V
No Pulse, 5
sec
–5 V
OK/WARN
–5 V Fail Monitor -5 V power supply
–4.65 to –5.35 V
Yes Latched –5 V
OK/FAIL
Status Fail
–5 V Failure
CT Board A/D Offset
Warn
Measure dc offset at each input channel
>50 mV
No Not
Latched
OFFSETS
OK/WARN
VT Board A/D Offset
Warn
Measure dc offset at each input channel
>50 mV
No Not
Latched
OFFSETS
OK/WARN
I/O Board Failure
(power up)
Check if ID register matches part num-
ber
Yes Latched CARD_C
CARD_D
CARD_E
CARD_Z
OK/FAIL
Status Fail
I/O Card
Failure
Exception Vector CPU Error Yes Latched NA
Vector nn
Disabled
a
Issue STA C command to clear status of latched self-test Device Word bits.
Tab l e 1 0.11 Devi ce Se l f-Test s (Sheet 2 of 2)
Self-Test Description
Monitoring
Disabled
on Failure
Alarm
Status
Status
Command
Front-Panel
Message