Keithley 2002 User Manual

IEEE-488 Reference
3-7
Figure 3-4
Model 2002 status register structure
0
Seq 1
2
3
4 5 6 7 8 9
10 11
12 13 14 15
Trigger
Condition
Register
In Trigger Layer 1
(Always Zero)
0
Seq 1
2
3
4 5 6 7 8 9
10 11
12
13 14 15
Trigger
Transition
Filter
0
Seq 1
2
3
4 5 6 7 8 9
10 11
12
13 14 15
Trigger
Event
Register
0
Seq 1
2
3
4 5 6 7 8 9
10 11
12
13 14 15
Trigger
Event
Enable
Register
& & & & & & & & & & & & & & & &
Logical
OR
0 2 3 5 6
Cal
7 9
10 11 12 13
14
15
Questionable
Condition
Register
(Always Zero)
0 2 3 5 6 7 9
10 11 12 13
14
15
Questionable
Transition
Filter
0 2 3 5 6 7 9
10 11 12 13
14
15
Questionable
Event
Register
0
111 1
2 3 5 6 7 9
10 11 12 13
14
15
Questionable
Event
Enable
Register
& & & & & & & & & & & & & & & &
Logical
OR
Set
3
Trig
Arm
7 8
Idle
11 12 13 15
Operation
Condition
Register
(Always Zero)
Set
3
7 8
Idle
11 12 13 15
Operation
Transition
Filter
Set
3
7 8
Idle
11 12 13 15
Operation
Event
Register
Set
3
7 8
Idle
11 12 13 15
Operation
Event
Enable
Register
& & & & & & &
&
& & & & & & & &
Logical
OR
Settling
Waiting in Trigger Layer Waiting in an Arm Layer
Idle
0
Seq 1
2
3
4
5
6 7 8 9
10 11 12 13 14 15
Arm
Condition
Register
In an Arm Layer
(Always Zero)
0
Seq 1
2
3
4
5
6 7 8 9
10 11 12 13 14 15
Arm
Transition
Filter
0
Seq 1
2
3
4
5
6 7 8 9
10 11 12 13 14 15
Arm
Event
Register
0
Seq 1
2
3
4
5
6 7 8 9
10
11
12 13 14 15
Arm
Event
Enable
Register
& & & & & & & & & & & & & & & &
Logical
OR
EAV QSB MAV ESB
RQS/MSS
OSB
Status
Byte
Register
1
EAV QSB MAV
ESB
6
OSB
Service
Request
Enable
Register
& & & & & & &
Logical
OR
*STB?
*SRE *SRE?
Master Summary Status (MSS)
MSB = Measurement Summary Bit EAV = Error Available QSB = Questionable Summary Bit MAV = Message Available ESB = Event Summary Bit RQS/MSS = Request for Service/Master Summary Staus OSB = Operation Summary Bit
0
Lay 1 Lay 2
3 4 5 6 7 8 9
10 11 12 13 15
Sequence
Condition
Register
(Always Zero)
0 3 4 5 6 7 8 9
10 11 12 13 15
Sequence
Transition
Filter
0 3 4 5 6 7 8 9
10 11 12 13 15
Sequence
Event
Register
0 3 4 5 6 7 8 9
10 11 12 13 15
Sequence
Event
Enable
Register
& & & &
&
& & & & & &
&
&
&
& &
Logical
OR
14
In Arm Layer 1 Lay 1
Lay 2
Lay 1 Lay 2
Lay 1 Lay 2
14 14 14
In Arm Layer 2
Error Queue
Output Queue
Trig Trig Trig
Arm Arm Arm
Note : RQS bit is in serial poll byte, MSS bit is in *STB? response.
1
14 14
OPC QYE DDE
EXE
CME URQ PON
8 9 8
11 12 13 15
Standard
Event
Status
Register
8 9 8
11 12 13 15
Standard
Event
Status
Enable
Register
& & & & & & & & &
&
& & & & & &
Logical
OR
(Always Zero)
Operation Complete
Query Error
Device Specific Error
Execution Error
Command Error
User Request
Power On
OPC QYE DDE
EXE
CME URQ PON
*ESR? *ESE
*ESE?
MSB MSB
Calibrating Cal Cal Cal Cal
BPT
12 13 14 15
(Always Zero)
12 13 14 15
Measurement
Transition
Filter
12 13 14 15
Measurement
Event
Register
12 13 14 15
Measurement
Event
Enable
Register
& & & & & & & & & & & & & & & &
Logical
OR
Measurement
Condition
Register
ROF
LL1
HL1
LL2
HL2
RAV
BAV
BHF
BFL
ROF
LL1
HL1
LL2
HL2
RAV
BAV
BHF
BFL
ROF
LL1
HL1
LL2
HL2
RAV
BAV
BHF
BFL
ROF
LL1
HL1
LL2
HL2 RAV
BAV
BHF
BFL
Reading Overfolw
Low Limit 1 Low Limit 2
High Limit 1 High Limit 2
Reading Available
Buffer Available
Buffer Half Full
Buffer Full
Buffer Pretriggered
BPT BPT BPT
11
Cal Cal Cal
Calibration Summary
Command Warning
Warn Warn Warn Warn
2
4
222
444
Temperature Summary
Temp Temp Temp Temp
6
10
666
10 10 10
9999

Keithley 2002 Specifications

General

Brand	Keithley
Model	2002
Category	Multimeter
Language	English