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Appendix 1 Log Description 25
ASCO Series 230 Automatic Transfer Switch C2000 Intelligent Controller User Manual
Appendix 1 Log Description
Log type
Description of log type
S1Acc
The source I has become acceptable
S1NAcc
The source I has become not acceptable
S2Acc
The source II has become acceptable
S2NAcc
The source II has become not acceptable
EngSUp
The controller has signaled to engine to start
EngStop
The controller has signaled to engine to stop
XfrAbor
The transfer has been aborted
Xfr 1>2
The controller has initiated transfer from I to II
Xfr 2>1
The controller has initiated transfer from II to I
Xfr 1>0
The controller has initiated transfer from I to O
Xfr 2>0
The controller has initiated transfer from II to O
Xfr 0>1
The controller has initiated transfer from O to I
Xfr 0>2
The controller has initiated transfer from O to II
Sw M>A
Switch change form manual mode to automatic mode
Sw A>M
Switching change from automatic mode to manual mode
Log cause
Description of log cause
FireSUp
Fire alarm start
FireStop
Fire alarm stop
ManuXfr
Manual transfer
CommXfr
Communication transfer
EngExe
Engine exerciser
S1OK
Source I valid
S1Fail
Source I failure
S1UV
Source I under voltage
S1OV
Source I over voltage
S1UF
Source I under frequency
S1OF
Source I over frequency
S1VUNB
Source I unbalance
S1PHR
Source I phase rotation
S2OK
Source II valid
S2Fail
Source II failure
S2UV
Source II under voltage
S2OV
Source II over voltage
S2UF
Source II under frequency
S2OF
Source II over frequency
S2VUNB
Source II unbalance
S2PHR
Source II phase rotation
Handle
Switch transfer By handle (manual)
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