Models 707B and 708B Switching Matrix Reference Manual
Section 7: Command reference
707B-901-01 Rev. A / August 2010
7-21
•
channel.BREAK_BEFORE_MAKE
open settle time + close settle time
•
channel.MAKE_BEFORE_BREAK
close settle time + open settle time
•
channel.OFF
maximum of open settle time or close settle time
This behavior is also affected by
channel.connectsequential
and any additional user delay times.
WARNING
Make-before-break (also known as hot switching) can dry-weld reed relays so that they will
always be on. Hot switching is recommended only when external protection is provided.
Example
channel.connectrule = channel.BREAK_BEFORE_MAKE
Sets the connect rule in the instrument to
channel.BREAK_BEFORE_MAKE
Also see
(on page 7-147)
channel.connectsequential
This attribute controls whether or not channels are closed sequentially.
Type
TSP-Link accessible
Affected by
Where saved
Default value
Attribute (RW)
Yes
System reset
Create
configuration script
channel.OFF
Usage
sequential = channel.connectsequential
channel.connectsequential = sequential
sequential
•
channel.OFF
or
0
: Disable sequential connections
•
channel.ON
or
1
: Enable sequential connections