User manual

ROUTe subsystem
The commands in this subsystem are used to configure and control
switching and are summarized in Table 5-5.
Single channel (or channel pair) control
Like operation from the front panel, the following commands let you close
a single channel (or channel pair for 4-pole operation) on an internal scan
-
ner card.
:CLOSe <chan num>
:ROUTe:CLOSe <chan num> Close specified channel or channel pair
Parameter <chan num> = (@ X) Specify channel (X)
where X is a single channel (1 through 10) or a channel pair (1 through 5)
to be closed.
Description This command lets you close a single channel or channel pair on the in-
ternal scanner card. Only one channel (or channel pair) can be closed at
a time. When this command is sent, any closed channels are first opened.
Then, the specified channel (or channel pair) closes.
When using this command, pole mode (2-pole or 4-pole) is determined by
the present measurement function. With a 2-wire function selected (i.e.,
DCV), 2-pole switching will be performed at the scanner card. The speci
-
fied channel (1 through 10) will close.
With a 4-wire function selected (i.e., W4), 4-pole switching will be per-
formed at the scanner card. The specified channel pair (1 through 5) will
close.
In the 4-pole mode, channels are paired as follows:
• Channel 1 is paired to Channel 6
• Channel 2 is paired to Channel 7
• Channel 3 is paired to Channel 8
• Channel 4 is paired to Channel 9
• Channel 5 is paired to Channel 10
Examples:
2-pole mode 4-pole mode
rout:clos (@ 2) Close channel 2 Close channels 2 and 7
rout:clos (@ 4) Close channel 4 Close channels 5 and 9
rout:clos (@ 7) Close channel 7 Not valid
When a channel (or channel pair) is closed using this command, the chan-
nel annunciator that corresponds to that channel is displayed. Note that
for 4-pole operation, the annunciator for the paired channel is not dis
-
played. For example, if channel pair 4 and 9 is closed, only the “CH4” an-
nunciator is displayed.
2000-900 (J - Aug 2010) BOOK.fm Page 32 Wednesday, October 12, 2011 12:29 PM