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83
-
5
15
-
0
00
Rev.
B
65
7.1
1.2 Conditional Registers (continued)
Table 7
-
9: Fault Condition Register
BIT
Fault name
Fault symbol
Bit Set condition
Bit Reset condition
0 (LSB)
Spare bit
SPARE
Fixed to zero
Fixed to zero
1
AC Fail
AC
AC fail has occurred.
The AC input returns to nor
mal.
2
Over
temper
a
ture
OTP
OTP shutdown has
o
c
curred.
The power supply cools down.
3
Foldback
FOLD
Foldback shutdown
has occurred
The supply output is turned On by front
panel button or OUT 1 command.
4
Over vol
t
age
OVP
OVP shutdown has
occurre
d.
The supply output is turned ON by front
panel button or OUT 1 command.
5
Shut Off
SO
Rear panel J1 “Shut
Off” condition has o
c-
curred.
Rear panel J1 “Shut Off” condition has
been r
e
moved.
6
Output Off
OFF
Front panel OUT bu
t-
ton pressed to Off.
The supp
ly output is turned On by front
panel button or OUT 1 command.
7(MSB)
Enable
ENA
Rear panel J1 Enable
terminal (J1
-
1&J1
-
14)
opened.
Rear panel J1 Enable terminals closed.
Table 7
-
10: Status Condition Register
BIT
Fault name
Fault symbol
Bit Set condition
Bit Reset condition
0 (LSB)
Constant
Voltage
CV
Output is On and the
supply in CV.
Output is ON and the supply is not in
CV.
1
Constant
Current
CC
Output is ON and the
supply in CC.
Output is ON and the supply is not in
CC.
2
No Fault
NFLT
The power su
pply is
operating normally or
fault reporting is not
enabled.
See “OUT n” co
m-
mand in Section 7.7.5.
One or more faults are active and fault
reporting is enabled (using “FENAxx”).
3
Fault active
FLT
One or more faults are
enabled and occur.
Fault Event Re
gister cleared (FEVE?).
4
Auto
-
Restart
Enabled
AST
Supply is in Auto
-
Restart mode (from
Front Panel or serial
command).
Supply is in Safe
-
Start mode (from
Front Panel or serial command).
5
Fold
E
n
abled
FDE
Fold protection is
e
n
abled (from Fro
nt
Panel or serial
command).
Fold protection disabled (from Front
Panel or serial command).
6
Spare bit
SPARE
Fixed to zero.
Fixed to zero.
7(MSB)
Local Mode
LCL
Supply in Local mode.
Supply in Remote mode or Local
-
Lockout mode.