Information
Operation Complete
Query Error
Device Dependant Error
Execution Error
Command Error
User Request
Power On
Not Used
Standard Event Status
Operational Condition
Event Enable
EventEnableCondition
Positive Logic:
0 = No Event
1 = Event Occured
Questionable Condition
EventEnableCondition
Questionable Summary
Message Available
Standard Event Summary
Operational Summary
Status
Byte
Service
Request
Enable
Not Used
Output Queue
OR
OR
OR
OR
Service
Request
0
INPO
INTO
ITMO
ICOM
0
OPC
QYE
DDE
EXE
CME
PON
0
CV
CC
0
Syst:Err Queue
0
Internal Input Overflow
Internal Timeout
Internal Comm Error
Internal Overflow
ISUM
ENA
OFF
SO
OVP
FLD
OTP
AC
Output Enable
Over Voltage Prot
Fold Back Prot
Over Temperature
AC Fail
Output Off
Shut Off
Instrument Summary
ENA
OFF
SO
OVP
FLD
OTP
AC
6
5
4
3
2
1
0
MSB 15
8
9
10
11
7
6
5
4
3
2
1
LSB 0
MSB 7
Constant Voltage
Local / Remote
Spare
Foldback Enabled
Auto Start Enabled
Constant Current
CV
CC
LOC
FBE
AST
NFLT
00
No Fault
Spare
6
5
4
3
2
1
LSB 0
MSB 15
7
00
00
INPO
INTO
ITMO
ICOM
System Error
6
5
4
3
2
1
7
0
M ESSAGE
0 ,No Er
1 22,E r r
5 4,Bad
1 22,E r r
QUE
MAV
RQS
ESB
OPR
BSY
0
SYS
0
*STB?
*SRE nn
*SRE?
*ESR?
*ESE nn
*ESE?
STAT:OPER:COND?
STAT:OPER:ENAB nn
STAT:OPER:ENAB?
STAT:OPER:EVEN?
STAT:QUES:COND?
STAT:QUES:ENAB nn
STAT:QUES:ENAB?
STAT:QUES:EVEN?
SYST:ERR:ENAB
SYST:ERR?
NFLT
0
0
0
0
0
0
0
Busy
LOC
0
0
0
0
0
0
0
0
0
0
OR
SRQnn
To one of 31 inputs in the
Instrument Summary registers
(see next diagram)
LSB
ISUM
Figure 5. Status and Error Register Tree Multi Drop Mode