Conditional Registers - TDK-Lambda GENESYS GEN 2400W Series Technical Manual

7.8.2

Conditional Registers

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
0 (LSB) Spare bit
1 AC Fail
2 Over-
Temperature
3 FOLDback
4
Over-Voltage
5 Shut-Off
6 Output OFF
7(MSB) Enable
BIT Status name
0 (LSB) Constant-
Voltage
1 Constant-
Current
2 No Fault
3 Fault active
4 Auto-Restart
Enabled
5 Fold
Enabled
6 Spare bit
7(MSB) Local Mode
Fault symbol Bit Set condition
SPARE Fixed to zero
AC AC fail has occurred.
OTP OTP shutdown has occurred.
FOLD FOLDback shutdown has
occurred
OVP shutdown has
OVP
occurred.
Rear panel J1 "Shut- Off"
SO
condition has occurred.
OFF Front panel OUT button
pressed to OFF.
ENA Rear panel J1 Enable
terminals (J1-1 & J1-14)
opened.
Table 7-7: Fault Condition Register
Status symbol Bit Set condition
CV Output is ON and the power
supply is in CV mode.
CC Output is ON and the power
supply is in CC mode.
The power supply is
NFLT
operating normally or fault
reporting is not Enabled.
See the "OUT n" command
in Section 7.8.5.
FLT One or more faults are
enabled and occur.
AST Supply is in Auto-Restart
mode (from Front Panel or
AST 1 serial command).
FDE FOLDback protection is
Enabled (from front panel
FOLD button or FLD 1 serial
command).
SPARE Fixed to zero.
LCL Power supply in Local
mode.
Table 7-8: Status Condition Register
83-517-000 Rev. A
Bit Reset condition
Fixed to zero
The AC input returns to normal
operating range.
OTP condition removed and power
supply returns to normal operation.
The power supply output is turned ON
by front panel OUT button or OUT 1
command.
The power supply output is turned ON
by front panel OUT button or OUT 1
command.
Rear panel J1 "Shut Off" condition has
been removed.
The power supply output is turned ON
by front panel OUT button or OUT 1
command.
Rear panel J1 Enable terminals
closed.
Output is ON and the power supply is
NOT in CV mode.
Output is ON and the power supply is
NOT in CC mode.
One or more faults are active and fault
reporting is Enabled (using "FENAxx").
Fault Event Register cleared (FEVE?).
Supply is in Safe-Start mode (from
Front Panel or AST 0 serial
command).
FOLDback protection is Disabled (from
front panel FOLD button or FLD 0
serial command).
Fixed to zero.
Power supply in Remote mode or
Local-Lockout mode.
68
Bit Reset condition