83
-
5
15
-
0
00
Rev.
B
67
3.
Status Enable Register
The Status Enable Register is set by the user to Enable SRQs for changes in power supply status.
Table 7
-
13: Status Enable Register
BIT
Status name
Status sy
m
bol
Bit Set cond
i
tion
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
r
e
ceived, where
nn is hexadec
i
mal
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 e
n
abled
AST
Always zero
Always zero
5
Fold enabled
FDE
Always zero
Always zero
6
Spa
re
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 e
n-
abled. The regist
er is cleared when the “SEVE?” or “CLS” commands are received. A change in this
register will generate SRQ.
Table 7
-
14: Status Event Register
BIT
Status name
Status sy
m
bol
Bit Set cond
i
tion
Bit reset condition
0 (LSB)
Constant Voltage
CV
1
Const
ant Current
CC
2
No Fault
NFLT
3
Fault active
FLT
Changes in statu
s
occur and it is
E
n
abled.
The change can
set a bit, but when
the change clears
the bit remains
set.
4
Auto
-
Restart e
n
abled
0
Always zero
5
Fold enabled
0
Always zero
6
Spare
0
Always zero
7 (MSB)
Local Mode
LCL
Unit is set to L
o
cal
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.