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Comments
Example
[ROUTe:]CLOSe? <channel_list >
Comments
•
Closing Channels: To close:
- a single channel use ROUT:CLOS (@ccnn);
- multiple channels use ROUT:CLOS (@ccnn,ccnn,...);
- sequential channels use ROUT:CLOS (@ccnn:ccnn);
- groups of sequential channels use ROUT:CLOS (@ccnn:ccnn,ccnn:ccnn);
- or any combination of the above.
•
Closure Order not Guaranteed: Closure order for multiple channels with a
single CLOS command is not guaranteed. A list of channels will not all close
simultaneously. The order in which channels close when specified from a
single command is not guaranteed. Use sequential CLOSe commands if
needed.
•
Related Commands: [ROUTe:]OPEN, [ROUTe:]CLOSe?
•
*RST Condition: All channels are open in 72-channel mode. In 36-channel
mode, all SET channels are open and all RESET channels are closed.
Example: Closing Relay Driver Module Channels
This example closes channels 00 and 13 of a two-module switchbox (card numbers
01 and 02).
CLOS (@100,213)
Returns the current state of the channel(s) queried. Channel_list has the form
(@ccnn) where cc = card number (01-99) and nn = channel number (00-71 for
72-channel mode or 00-35 for 36-channel mode). The command returns "1" if
channel(s) are closed or returns "0" if channel(s) are open.
•
Query is Software Readback: The [ROUTe:]CLOSe? command returns the
current software state of the channel(s) specified. It does not account for
hardware failures or for channels opened or closed by direct register access
(see Appendix B - Relay Driver Module Register Definitions).
! Close channels 100 and 213. In
72-channel mode, 100 closes channel
0 of card #1 and 213 closes channel 13
of card #2.
! In 36-channel mode,100 closes channel
0 SET and opens channel 0 reset, while
213 closes channel 13 SET and opens
channel 13 RESET for card #2.
Relay Driver Module Command Reference
75
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