Keithley 2657A User Manual

A
ppendix E: Status model Model 2657A High Power System SourceMeter® Instrument Reference Manual
E-6 2657A-901-01 Rev. B/December 2012
Figure 147: Status byte and service request enable registers
+
To Node X in System Summary Register (system), System
Summary Register 2 (system2), System Summary Register 3
(system3), System Summary Register 4 (system4), or
System Summary Register 5 (system5)
The X in “Node X” refers
to the user-assigned
TSP-Link node number.
0
6
5
3
4
2
1
7
14
13
12
11
10
9
8
15
System Summary
Register (system)
+
Extension Bit (EXT)
Node 1 (NODE1)
Node 14 (NODE14)
Node 13 (NODE13)
Node 12 (NODE12)
Node 11 (NODE11)
Node 10 (NODE10)
Node 9 (NODE9)
Node 8 (NODE8)
Node 7 (NODE7)
Node 6 (NODE6)
Node 5 (NODE5)
Node 4 (NODE4)
Node 3 (NODE3)
Node 2 (NODE2)
Summary of System Summary
Register 2 (system2)
Error/Event Queue
.
.
.
Output Queue
.
.
.
Queue Not Empty
Queue Not Empty
This register is
available on all
TSP-Link nodes.
status.system
0
X
5
3
4
2
1
7
&
&
&
&
&
&
&
Service Request Enable
(request_enable/SRE)
status.request_enable.
Measurement Summary Bit (MSB)
System Summary Bit (SSB)
Error Available (EAV)
Questionable Summary Bit (QSB)
Message Available (MAV)
Event Summary Bit (ESB)
Master Summary Status (MSS)
Operation Summary Bit (OSB)
0
6
5
3
4
2
1
7
Status Byte
(status.conditions/STB)
status condition
+
&
&
&
&
&
&
&
0
6
5
3
4
2
X
7
status.node_enable.
0
6
5
3
4
2
1
7
status condition
Measurement Summary Bit (MSB)
System Summary Bit (SSB)
Error Available (EAV)
Questionable Summary Bit (QSB)
Message Available (MAV)
Event Summary Bit (ESB)
Master Summary Status (MSS)
Operation Summary Bit (OSB)
Status Byte
(status.conditions/STB)
This is the same STB
as shown above. For
clarity it has been
shown again here.
System Node Enable
(node_enable)

Keithley 2657A Specifications

General

Brand	Keithley
Model	2657A
Category	Measuring Instruments
Language	English