86
83503001 Rev G
7.11.3.3.
Status Enable Register
The Status Enable Register is set by the user to Enable SRQs for changes in
power supply status.
Table 7-11: Status Enable Register (SENA nn, SENA?)
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
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
when 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
7.11.3.4.
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 7-12: Status Event Register (SEVE?)
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
occur and it is
Enabled.
The change can set a
bit, but when the
change clears the bit
remains set.
4
Auto-Restart enabled
0
Always zero
5
Fold enabled
0
Always zero
6
Spare
0
Always zero
7 (MSB)
Local Mode
LCL
Unit is set to Local by
pressing front panel
REM/LOC 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.
