ROUTe:CLOSe (@<ch_list>)
ROUTe:CLOSe? (@<ch_list>)
Closes the specified channels on a multiplexer or switch module. On the multiplexer modules, if any channel on the
module is defined to be part of the scan list, attempting to send this command will result in an error.
Parameter Typical return
(none) 1 (Closed) or 0 (Open)
Closes specific channels on the module:ROUT:CLOS (@103,113)
– For the matrix module (DAQM904A), the channel number represents the intersection of the desired row and
column. For example, channel 234 represents the intersection of row 3 and column 4 on the module in slot 2
(assumes two-wire mode). For more information, see the simplified schematic in DAQM904A Module Summary.
– The DAQM905A module will not respond to the ROUTe:OPEN command (an error is generated). To "open" a
channel on these modules, send the ROUTe:CLOSe command to a different channel in the same bank.
– As part of the scan setup, the ROUTe:SCAN command examines the scan list and determines which channel
relays and Analog Bus relays will be impacted by the scan. The following rules will apply once the scan is initiated
and will impact what relays can be manually opened and closed.
– When the scan is initiated, the instrument will open all channels in modules that contain one or more channels
in the scan list.
– While the scan is running, the instrument prohibits use of all channels in modules that contain one or more
channels in the specified <ch_list> (these channels are dedicated to the scan).
ROUTe:CLOSe:EXCLusive (@<ch_list>)
Opens all channels on a multiplexer or switch module and then closes the specified channels. On the multiplexer
modules, if any channel on the module is defined to be part of the scan list, attempting to send this command will
result in an error.
Parameter Typical return
(none) 1 (Open) or 0 (Closed)
Opens all channels and closes specific channels on the module:ROUT:CLOS:EXCL (@303)
– For the matrix module (DAQM904A), the channel number represents the intersection of the desired row and
column. For example, channel 234 represents the intersection of row 3 and column 4 on the module in slot 2
(assumes two-wire mode). For more information, see the simplified schematic in DAQM904A Module Summary.
–
This command opens all channels first, and then closes the channels in the <ch_list>, one at a time. Before it
closes each channel, it opens all previous channels.
– The RF multiplexer module (DAQM905A) will not respond to the ROUTe:OPEN command (an error is generated).
To "open" a channel on these modules, send the ROUTe:CLOSe:EXCLusive command to a different channel in
the same bank.
Keysight DAQ970A/DAQ973A Programming Guide 209
2 SCPI Programming
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