Service Request Enabled And Event Registers - TDK-Lambda GENESYS 750W HALF RACK Technical Manual

7.11.2 Conditional Registers (continued)
Table 7-8: Fault Condition Register
BIT Fault name
0 (LSB) Spare bit
1 AC Fail
2 Over
temperature
3 Foldback
4 Over volt-
age
5 Shut Off
6 Output Off
7(MSB) Enable
Table 7-9: Status Condition Register
BIT Fault name Fault symbol
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
7.11.3 Service Request: Enable and Event Registers
The conditional Registers are continuously monitored. When a change is detected in a register
bit which is enabled, the power supply will generate an SRQ message.
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 OVP shutdown has
occurred.
SO Rear panel J1 "Shut
Off" condition has oc-
curred.
OFF Front panel OUT but-
ton pressed to Off.
ENA Rear panel J1 Enable
terminal (J1-1&J1-14)
opened.
Bit Set condition
CV Output is On and the
supply in CV.
CC Output is ON and the
supply in CC.
The power supply is
NFLT
operating normally or
fault reporting is not
enabled.
See "OUT n" com-
mand in Section 7.7.5.
FLT One or more faults
are enabled and oc-
cur.
AST Supply is in Auto-
Restart mode (from
Front Panel or serial
command).
FDE Fold protection is
enabled (from Front
Panel or serial
command).
SPARE Fixed to zero.
LCL Supply in Local mode.
83-507-5002 Rev. B
Fixed to zero
The AC input returns to normal.
The power supply cools down.
The supply output is turned On by front
panel button or OUT 1 command.
The supply output is turned ON by
front panel button or OUT 1 command.
Rear panel J1 "Shut Off" condition has
been removed.
The supply output is turned On by front
panel button or OUT 1 command.
Rear panel J1 Enable terminals
closed.
Output is ON and the supply is not in
CV.
Output is ON and the supply is not in
CC.
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 serial command).
Fold protection disabled (from Front
Panel or serial command).
Fixed to zero.
Supply in Remote mode or Local-
Lockout mode.
65
Bit Reset condition
Bit Reset condition