Keithley 6517A

IEEE-488 Reference
3-8
Figure 3-5
Model 6517A 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
Volt
2 3 5 6
Cal
7
Ohm
Coul
Seq
13
14
15
Questionable
Condition
Register
(Always Zero)
2 3 5 6 7
13
14
15
Questionable
Transition
Filter
2 3 5 6 7
13
14
15
Questionable
Event
Register
2 3 5 6 7
13
14
15
Questionable
Event
Enable
Register
& & & & & & & & & & & & & & & &
Logical
OR
3
Trig
Arm
7 8
Idle
12 13 15
Operation
Condition
Register
(Always Zero)
3
7 8
Idle
12 13 15
Operation
Transition
Filter
3
7 8
Idle
12 13 15
Operation
Event
Register
3
7 8
Idle
12 13 15
Operation
Event
Enable
Register
& & & & & & &
&
& & & & & & & &
Logical
OR
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
OL
15
(Always Zero)
15
Measurement
Transition
Filter
15
Measurement
Event
Register
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 Overflow
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
SRA
Calc
Out of Limits
OL
Sequence Test Running
Seq
Reading Underflow
RUF RUF RUF RUF
OL OL
V-Source in Compliance VSC VSC VSC VSC
Volt Volt Volt
Amps Summary
Volts Summary
Amps Amps Amps Amps
Humidity Summary Hum Hum Hum Hum
Ohms Summary
Ohm Ohm Ohm
Coulombs Summary
Coul Coul Coul
Sequence Test Summary
Seq Seq Seq
1111
Calculating Reading CalcCalc Calc
Seq Seq Seq
Sequence Reading Available
SRA SRA SRA
FLC
FLC
Fixture Lid Closed
FLC
FLC