Owner manual

B-18
ABC 040104
B.74 STATus:QUEStionable[:EVENt]? QUERY
STAT:QUES?
Syntax: Short Form: STAT:QUES[EVEN]? Long Form: STATus:QUEStionable[EVENT]?
Return Value: <int_value> actual register value
Description: Indicates questionable events that occurred since previous STAT:QUES? query. Returns the
value of the Questionable Event register (see Table B-3). The Questionable Event register is a
read-only register which holds (latches) all events. Reading the Questionable Event register clears it.
(See example, Figure B-7.)
B.75 STATus:QUEStionable:CONDition? QUERY
STAT:QUES:COND?
Syntax: Short Form: STAT:QUES:COND? Long Form: STATus:QUEStionable:CONDition?
Return Value: <int_value> actual register value
Description: Returns the value of the Questionable Condition Register (see Table B-3). The Questionable
Condition Register contains unlatched real-time information about questionable conditions of the
power supply. Bit set to 1 = condition (active, true); bit reset to 0 = condition (inactive, false). (See
example, Figure B-7.)
B.76 STATus:QUEStionable:ENABle COMMAND
STAT:QUES:ENAB
Syntax: Short Form: STAT:QUES:ENAB <int_value> Long Form: STATus:QUESionable:ENABle <int_value>
Function: Programs Questionable Condition Enable Register.
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-7.)
B.77 STATus:QUEStionable:ENABle? QUERY
STAT:QUES:ENAB?
Syntax: Short Form: STAT:QUES:ENAB? Long Form: STATus:QUESionable:ENABle?
Return Value: <int_value> actual register 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-7.)
B.78
SYSTem:COMMunication:GPIB:ADDRess
COMMAND
SYST:COMM:GPIB:ADDR
Syntax: Short Form: SYST:COMM:GPIB:ADDR<INT VAL> 0 to 30
Long Form: SYSTem:COMMunication:GPIB:ADDRess<INT VAL> 0 to 30
Description: Sets selected power supply GPIB address.
TABLE B-3. QUESTIONABLE EVENT REGISTER, QUESTIONABLE CONDITION REGISTER
AND QUESTIONABLE CONDITION ENABLE REGISTER BITS
CONDITION NU OC OV
BIT 15 - 2 1 0
VALUE 32,768 - 4 2 1
OC - OVERCURRENT PROTECTION TRIPPED
OV - OVERVOLTAGE PROTECTION TRIPPED
NU - NOT USED