User manual

Series 3700 System Switch/Multimeter Reference Manual Section 13: Instrument Control Library (ICL)
3700S-901-01 Rev. C / July 2008 13-283
status.system3.*
.condition
.enable
.event
Attribute
TSP-Link
TM
system3 data structure register set.
Usage
To read condition, enable and event registers:
enablereg = status.system3.condition
enablereg = status.system3.enable
enablereg = status.system3.event
To write to enable register:
status.system3.enable = enablereg
Set enablereg to one of the following values:
0 Clears all bits.
To set EXT bit (B0)
1 or status.system3.EXTENSION_BIT
1 or status.system3.EXT
To set a node bit (Bn); n = 29 to 42.
status.system3.NODEn
Remarks
In an expanded system (TSP- Link), this attribute is used to read or write to the
system3 node registers.
Reading a system3 node register returns a numeric value whose binary equivalent
indicates which register bits are set. The bits of the system3 node register are
identified as follows:
B0 - EXT
B4 - Node
32
B8 - Node 36
B12 - Node 40
B1 - Node
29
B5 - Node
33
B9 - Node 37
B13 - Node 41
B2 - Node
30
B6 - Node
34
B10 - Node
38
B14 - Node 42
B3 - Node
31
B7 - Node
35
B11 - Node
39
B15 - Not used
For example, assume value 9 is returned for the enable register. The binary
equivalent is 0000000000001001. This value indicates that bit 0 (EXT) and bit 3
(Node 31) are set.
Assigning a value to the status.system3.enable attribute sets the extension bit or a
node bit of the system3 node enable register.
Also see
status.system.* (on page 13-280)
status.system2.* (on page 13-281)
status.system4.* (on page 13-284)
status.system5.* (on page 13-285)