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Command Descriptions
Option 01 VXI Interface Module User Manual
3–19
CLOSe
[ROUTe:]CLOSe<channel_list>
[ROUTe:]CLOSe?<channel_list>
Indicates which relays are closed.
All relays on all modules are set to the open position.
The limits on the relay numbers in the <channel_list> portion of this command
depend on the model number of the relay module(s) specified in the <chan-
nel_list>. The syntax of a <channel_list> is described by the following diagram:
<NR1>
! :
<NR1>
!
<channel_range>
<channel_list>
( @ (
,
) )<module_name>
<channel_range>
,
A module_name is an ASCII string that has been associated with a relay module
in a ROUTe:MODule:DEFine command. A channel_range may consist of a
single relay number or a range of relay numbers. A range of relay numbers is
indicated by two relay numbers separated by a “:” character.
A relay number may have one, two, or three dimensions depending on the
architecture of the relay module containing the relay. For example, the VX4350
contains 64 SPDT relays. Only one-dimensional relay numbers are supported for
this module. The VX4380 Module contains four 4×16 2-wire matrices. Three-
dimensional channel numbers are supported for this module. The first specifies
the row, the second specifies the column, and the third specifies the matrix
containing the relay. Multi-dimensional relay numbers are represented by
integers separated by “!” characters. See the user manuals for the VX4320,
Command Syntax
Query Syntax
Query Response
*RST Value
Limits