HP E1368A - Manual (Page 60)

CLOSe?
[ROUTe:]CLOSe? < channel_list > returns the current state of the
channel(s) queried. The channel_list is in the form (@ccnn). The
command returns 1 if the channel is closed or returns 0 if the channel is
open.
Comments
•
Query is Software Readback: The [ROUTe:]CLOSe? command
returns the current software state of the channel specified. It does
not account for relay hardware failures. A maximum of 127
channels at a time can be queried for a multi-module switchbox.
Example Query Channel Closure
This example closes channels 100 and 202 of a two-module switchbox (card
numbers 01 and 02) and queries channel closure. Since the channels are
programmed to be closed 1,1 is returned.
CLOS (@100,202) 100 closes channel 00 of card #1;
202 closes channel 02 of card #2.
CLOS? (@202) Query channel 02 of card #2.
OPEN
[ROUTe:]OPEN < channel_list > opens the Microwave Switch channels
specified in the channel_list. The channel_list is in the form (@ccnn)
where cc = card number (00-99) and nn = channel number (00-04).
Parameters
Parameter Name Parameter Type Range of Values Default Value
channel_list numeric cc00 - cc04 N/A
Comments
•
Opening Channels: To open:
– a single channel, use [ROUTe:]OPEN (@ccnn) ;
– for multiple channels, use [ROUTe:]OPEN (@ccnn,ccnn) ;
– sequential channels, use [ROUTe:]OPEN (@ccnn:ccnn) ;
– a group of sequential channels, use
[ROUTe:]OPEN (@ccnn:ccnn,ccnn:ccnn) ;
– or any combination.
Opening order for multiple channels with a single command is not
guaranteed.
•
Related Commands: [ROUTe:]CLOSe , [ROUTe:]OPEN?
•
*RST Condition: All channels are open.
Example Opening Microwave Switch Channels
This example opens channel 00 of a card number #1 and channel 02 of a
card number #2 in a two-module switchbox.
OPEN (@100,202) 100 opens channel 00 of card #1;
202 opens channel 02 of card #2
Chapter 4 HP E1368A/69A/70A Command Reference 59
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