58
7.8.2 Conditional registers
7.8.3 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.
The SRQ message is: "!nn" terminated by CR, where the nn is the power supply address.
The SRQ will be generated either in Local or Remote mode.
Output is ON and the supply is not in
CV.
Output is On and the
supply in CV.
Output is ON and the supply is not in
CC.
Output is ON and the
supply in CC.
The power supply is
operating normally or
fault reporting is not
enabled.
See “OUT n”
command in Section
7.7.5.
One or more faults are active and
fault reporting is enabled (using
“FENA xx”).
1
2
Constant
Voltage
Constant
Current
No Fault
Table 7-8: Fault Condition Register
BIT Fault name Fault symbol
Bit Set condition
Bit Reset condition
Fixed to zero
Fixed to zero
SPARE
Spare bit
0 (LSB)
The AC input returns to normal.
AC fail has occurred.
OTP shutdown has
occurred.
The power supply cools down.
Foldback shutdown
has occurred.
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.
The supply output is turned On by
front panel button or OUT 1
command.
OVP shutdown has
occurred.
Rear panel J "Shut
Off" condition has
occurred.
Rear panel J1 "Shut Off" condition
removed.
Front panel OUT
button pressed to Off.
Rear panel J1 Enable
terminals(J1-1&J1-14)
opened.
Rear panel J1 Enable terminals closed.
1
2
3
4
5
6
7(MSB)
AC Fail
Over
temperature
Foldback
Over
voltage
Shut Off
Output Off
Enable
AC
OTP
FOLD
OVP
SO
OFF
ENA
Table 7-9: Status Condition Register
BIT
Status name Status symbol
Bit Set condition
Bit Reset condition
0 (LSB)
CV
CC
NFLT
One or more faults are
enabled and occur.
Fault Event Register cleared (FEVE?).
Supply is in Auto-
Restart mode (from
Front Panel or serial
command).
Supply is in Safe-Start mode (from
Front Panel or serial command).
Fold protection
enabled (from Front
Panel or serial
command).
Fold protection disabled (from Front
Panel or serial command).
Fixed to zero.
Fixed to zero.
Supply in Local mode. Supply in Remote mode or Local-
Lockout mode.
3
4
5
6
7 (MSB)
Fault
active
Fold
Enabled
Spare bit
Local Mode
FLT
FDE
SPARE
LCL
AST
Auto-
Restart
Enabled
59
Refer to Tables 7-10 to 7-13 for details of the Enable and Event registers.
The Fault Enable Register is set to the enable faults SRQs.
1.Fault Enable Register
2.Fault Event Register
The Fault Event will set a bit if a condition occurs and it is enabled. The register is cleared when
FEVE?, CLS or RST commands are received.
Table 7-10: Fault Enable Register
BIT
Enable
bit name
Fault symbol
0 (LSB)
1
2
3
4
5
6
7(MSB)
Spare bit
AC Fail
Over Temperature
Foldback
Over Voltage
Shut Off
Output Off
Enable
SPARE
AC
OTP
FOLD
OVP
SO
OFF
ENA
Bit Set condition
Bit reset condition
User command:
"FENA nn" where
nn is hexadecimal
User command: "FENA nn"
where nn is hexadecimal (if
nn="00", no fault SRQs will
be generated).
Table 7-11: Fault Event Register
0 (LSB)
1
2
3
4
5
6
7(MSB)
Spare bit
AC Fail
Over Temperature
Foldback
Over Voltage
Shut Off
Output Off
Enable
SPARE
AC
OTP
FOLD
OVP
SO
OFF
ENA
Entire Event Register is
cleared when user sends
"FEVE?" command to read
the register.
"CLS" and power-up also
clear the Fault Event
Register. (The Fault Event
Register is not cleared by
RST)
BIT
Event
bit name
Fault symbol
Bit Set condition
Bit reset condition
Fault condition
occurs and it is
enabled.
The fault can set
a bit, but when
the fault clears
the bit remains
set.
59
Summary of Contents for Genesys GENH6-100
Page 3: ......
Page 5: ......
Page 18: ...9...
Page 30: ...21...
Page 31: ...22...
Page 40: ...31...
Page 42: ...33...
Page 59: ...50...
Page 77: ...NOTES 68...
Page 78: ...NOTES 69...
Page 79: ...NOTES 70...
Page 80: ...NOTES 71...
Page 81: ...NOTES 72...