TDK-Lambda GENESYS GEN 2400W Series - Conditional Registers

83-517-000 Rev. A
68
Conditional Registers 7.8.2
The Fault Condition Register and the Status Condition Register are read only registers that the user may read to
see the condition of the power supply. Refer to Table 7-7 for a description of the Fault Condition Register bits
and Table 7-8 for the Status Condition Register bits.
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 normal
operating range.
2
Over-
Temperature
OTP
OTP shutdown has occurred.
OTP condition removed and power
supply returns to normal operation.
3
FOLDback
FOLD
FOLDback shutdown has
occurred
The power supply output is turned ON
by front panel OUT button or OUT 1
command.
4
Over-Voltage
OVP
OVP shutdown has
occurred.
The power supply output is turned ON
by front panel OUT button or OUT 1
command.
5
Shut-Off
SO
Rear panel J1 “Shut- Off”
condition has occurred.
Rear panel J1 “Shut Off” condition has
been removed.
6
Output OFF
OFF
Front panel OUT button
pressed to OFF.
The power supply output is turned ON
by front panel OUT button or OUT 1
command.
7(MSB)
Enable
ENA
Rear panel J1 Enable
terminals (J1-1 & J1-14)
opened.
Rear panel J1 Enable terminals
closed.
Table 7-7: Fault Condition Register
BIT
Status name
Status symbol
Bit Set condition
Bit Reset condition
0 (LSB)
Constant-
Voltage
CV
Output is ON and the power
supply is in CV mode.
Output is ON and the power supply is
NOT in CV mode.
1
Constant-
Current
CC
Output is ON and the power
supply is in CC mode.
Output is ON and the power supply is
NOT in CC mode.
2
No Fault
NFLT
The power supply is
operating normally or fault
reporting is not Enabled.
See the “OUT n” command
in Section 7.8.5.
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 Register cleared (FEVE?).
4
Auto-Restart
Enabled
AST
Supply is in Auto-Restart
mode (from Front Panel or
AST 1 serial command).
Supply is in Safe-Start mode (from
Front Panel or AST 0 serial
command).
5
Fold
Enabled
FDE
FOLDback protection is
Enabled (from front panel
FOLD button or FLD 1 serial
command).
FOLDback protection is Disabled (from
front panel FOLD button or FLD 0
serial command).
6
Spare bit
SPARE
Fixed to zero.
Fixed to zero.
7(MSB)
Local Mode
LCL
Power supply in Local
mode.
Power supply in Remote mode or
Local-Lockout mode.
Table 7-8: Status Condition Register