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3. Status Enable register
The Status Enable Register is set by the user to enable SRQs from changes in power supply
status.
Table 7-12: Status Enable Register
BIT
Status name
Status
symbol
Bit Set condition
Bit reset condition
0(LSB)
Constant Voltage
CV
1
Constant Current CC
2
Not Fault
NFLT
3
Fault active
FLT
User command:
“SENA nn” is
received, where
nn is
hexadecimal bits.
User command:
“SENA nn” is received,
where nn is hexadecimal
bits.
If “nn”=00, no SRQ is sent
where there is a change in
Status Condition Register.
4
Auto-Restart
enabled
AST
Always zero
Always zero
5
Fold enabled
FDE
Always zero
Always zero
6
Spare
SPARE
Always zero
Always zero
7(MSB)
Local Mode
LCL
“SENA nn”
command
“SENA nn” command
4. Status Event Register
The Status Event Register will set a bit if a change in the power supply status occurs and it is
enabled. The register is cleared when the "SEVE?" or "CLS" commands are received. A change
in this register will generate SRQ.
Table 7-13: Status Event Register
BIT
Status name
Status
symbol
Bit Set condition
Bit reset condition
0(LSB) Constant Voltage
CV
1
Constant Current
CC
2
No Fault
NFLT
3
Fault active
FLT
Changes in
Status occurs
and it is enabled.
The change can
set a bit, but
when the change
clears the bit
remains set.
4
Not used
0
Always zero
5
Not used
0
Always zero
6
Not used
0
Always zero
7(MSB)
Local Mode
LCL
Unit is set to
Local by pressing
front panel
RMT/LCL
button.
Entire Event Register is
cleared when user sends
“SEVE?” command to read
the register.
“CLS” and power-up also
clear the Status Event
Register.
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