83-517-000 Rev.
A
70
7.8.3.3
Status Enable Register
The Status Enable Register is set by the user to Enable
SRQ’s
for changes in power supply status.
BIT
Status name
Status symbol
Bit Set condition
Bit reset condition
0 (LSB)
Constant-Voltage
CV
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.
1
Constant-Current
CC
2
No Fault
NFLT
3
Fault active
FLT
4
Auto-Restart Enabled
AST
Always zero
Always zero
5
FOLD
back enabled
FDE
Always zero
Always zero
6
Spare
Spare
Always zero
Always zero
7 (MSB)
Local Mode
LCL
“
SENA nn
”
command
“
SENA nn
”
command
Table 7-11: Status Enable Register
7.8.3.4
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.
BIT
Status name
Status
symbol
Bit Set condition
Bit reset condition
0
(LSB)
Constant-Voltage
CV
Changes in status
occur and it is
Enabled.
The change can set a
bit, but when the
change clears the bit
remains set.
Entire Event Register is cleared
when user sends “SEVE?”
command to read the register.
“CLS” and power-up also clear
the Status Event Register. (The
Fault Event Register is not
cleared by RST.).
1
Constant-Current
CC
2
No Fault
NFLT
3
Fault active
FLT
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
REM/LOC
button.
Table 7-12: Status Event Register