Close; Open - HP E1346A User Manual

CLOSe?

Comments
Example

OPEN

Parameters
Comments
Example
OPEN?
50 HP E1346A Multiplexer Command Reference
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[ROUTe:]CLOSe? <channel_list> returns the current state of the channel
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.
•
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.
Query Multiplexer Channel Closure
CLOS (@100,247)
CLOS? (@247)
[ROUTe:]OPEN <channel_list> opens multiplexer channels specified in the
channel_list. The channel_list is in the form (@ccnn), (@ccnn,ccnn), or
(@ccnn:ccnn) where cc = card number (00-99) and nn = channel number
(00-47).
Parameter Name Parameter Type
< channel_list >
numeric
•
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.
•
Opening the DT Tree Switch: Use channel numbers 93 to open the
DT Tree Switch.
•
Related Commands: [ROUTe:]CLOSe, [ROUTe:]OPEN?
•
*RST Condition: All multiplexer channels are open.
Opening Multiplexer Channels
This example opens channel 00 of a card number 1 multiplexer module and
channel 47 of a card number 2 multiplexer module in a single switchbox.
OPEN (@100,247)
[ROUTe:]OPEN? <channel_list> returns the current state of the channel
queried. The channel_list is in the form (@ccnn). The command
returns 1 if the channel is open or returns 0 if the channel is closed.
100 closes channel 00 of
multiplexer #1; 247 closes channel
47 of multiplexer #2
Query channel 247
Range of Values
cc00 - cc47
100 opens channel 00 of
multiplexer #1; 247 opens channel
47 of multiplexer #2
Chapter 5