B.30 status:questionable:enable command, B.31 status:questionable:enable? query, B.32 status:questionable:instrument? query – KEPCO MBT Series User Manual
Page 141: Table b-4. questionable instrument register 0 bits, B.33 status:questionable:instrument1? query, B.30, Stat, B.31, B.32, B.33

MBTSVC 111609
B-9
B.30 STATus:QUEStionable:ENABle COMMAND
STAT:QUES:ENAB
Syntax:
Short Form: STAT:QUES:ENAB
Description: Programs Questionable Condition Enable Register (see Table B-3).The Questionable Condition
Enable Register determines which conditions are allowed to set the Questionable Condition Register;
it is a mask for enabling
specific bits in the Questionable Event register that can cause the question-
able summary bit (bit 3) of the Status Byte register to be set. The questionable summary bit is the log-
ical OR of all the enabled bits in the Questionable Event register
.
Bit set to 1 = function enabled
(active, true); bit reset to 0 = function disabled (inactive, false)
.
(See example, Figure B-5.)
B.31 STATus:QUEStionable:ENABle? QUERY
STAT:QUES:ENAB?
Syntax:
Short Form: STAT:QUES:ENAB? Long Form: STATus:QUESionable:ENABle?
Return Value:
Description: Reads Questionable Condition Enable Register (see Table B-3). Power supply returns value of
Questionable Condition Enable Register, indicating which conditions are being monitored. Bit set to 1
= function enabled (active, true); bit reset to 0 = function disabled (inactive, false)
.
Related Com-
mands: STAT:QUES?. (See example, Figure B-5.)
B.32 STATus:QUEStionable:INSTrument? QUERY
STAT:QUES:INST?
Syntax:
Short Form: STAT:QUES:INST? Long Form: STATus:QUESionable:INSTrument?
Return Value:
Description: Reads Questionable Instrument Register 0 (see Table B-4). Unit returns value of Instrument Regis-
ter 0 (inst register). The bits of this register are set when at leat one bit in the specified channel’s ISUM
register was set previously and the specific enable bit was also set. When this register is read, bits 1 -
14 are cleared. Bit 0 which indcates the summary of the bits in Instrument Register 1 (inst1 register)
remains set until the inst1 register is read.
B.33 STATus:QUEStionable:INSTrument1? QUERY
STAT:QUES:INST1?
Syntax:
Short Form: STAT:QUES:INST1? Long Form: STATus:QUESionable:INSTrument1?
Return Value:
Description: Reads Questionable Instrument Register 1 (see Table B-5). Unit returns value of Instrument Regis-
ter 1 (inst1 register). The bits of this register are set when at leat one bit in the specified channel’s
ISUM register was set previously and the specific enable bit was also set. When this register is read,
bits 1 - 14 are cleared. Bit 0 which indcates the summary of the bits in Instrument Register 2 (inst2 reg-
ister)
remains set until the inst2 register is read.
TABLE B-3. QUESTIONABLE EVENT REGISTER, QUESTIONABLE CONDITION REGISTER
AND QUESTIONABLE CONDITION ENABLE REGISTER BITS
CONDITION
PL
OL
RE
NU
NU
NU
NU
NU
OT
NU
CE
VE
BIT
11
10
9
8
7
6
5
4
3
2
1
0
VALUE
2048 1024
512
256
128
64
32
16
8
4
2
1
PL
POWER LOSS
OL
OVERLOAD
RE
RELAY ERROR
OT
OVERTEMPERATURE
CE
CURRENT ERROR
VE
VOLTAGE ERROR
NU
NOT USED
TABLE B-4. QUESTIONABLE INSTRUMENT REGISTER 0 BITS
CONDITION
NU
CH
14
CH
13
CH
12
CH
11
CH
10
CH
9
CH
8
CH
7
CH
6
CH
5
CH
4
CH
3
CH
2
CH
1
INST1
BIT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
VALUE
32768 16384 8192 4096 2048
1024
512
256
128
64
32
16
8
4
2
1
CH
CHANNEL
NU
NOT USED
INST1 INSTRUMENT REGISTER 1