Keysight Technologies 34921A User Manual page 16

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)
The 34925A will return 0 for relay counts because the FET relays on that module
NOTE
are non-mechanical and have an undefined lifetime.
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 mod ule(s) to power-on state
The following command
resets a module in slot 4 to its power-on state.
SYSTem:CPON 4
16 Keysight 34921A-34925A User's Guide