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Low Frequency Multiplexer Modules
Configuring a Module
Example - Configuring a module for 2-wire or 1-wire mode: The following
command configures a MUX module in slot 4 for 1-wire mode. Because you can
configure only the 34923A and 34925A MUX modules (and the 34933A matrix
module) for either 2-wire or 1-wire mode, an error is generated if you send this
command to a slot that does not contain one of those three modules. If you are
using terminal blocks with these modules, be sure to use the corresponding
2-wire or 1-wire terminal block.
SYSTem:MODule:WIRE:MODE WIRE1,4
Example - Querying the system for module Identify: The following
command returns the identity of the module installed in slot 7.
SYSTem:CTYPe? 7
Querying and Clearing Cycle Count, and Resetting Modules
Example - Querying the cycle count for a relay: The following command
returns the cycle count on channel 7 and channel 16 for a MUX module in slot 1.
DIAGnostic:RELay:CYCLes? (@1007,1016)
Example - Clearing the cycle count for a relay: The following command
resets the cycle count to zero on the channels 7 and 16 for a MUX module in slot
1.
DIAGnostic:RELay:CYCLes:CLEar (@1007,1016)
Example - Resetting module(s) to power-on state: The following command
resets a module in slot 4 to its power-on state.
SYSTem:CPON 4
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SCPI Programming Examples for the Multiplexer Modules
When using a command to configure the system, the new
configuration does not take effect until you cycle power on
the 34980A.
For the 34923A and the 34925A MUX modules, the query
response may include a suffix to indicate a 1-wire
configuration. For example, the response for the 34923A will
be either "34923A" (differential mode) or "34923A-1W"
(single-ended mode).
The 34925A will return 0 for relay counts because the FET
relays on that module are non-mechanical and have an
undefined lifetime.
Keysight 34921A-34925A Low Frequency Multiplexer Modules User's Guide
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