User`s manual

Using the Relay Matrix Switches 31Chapter 2
Chapter 2
Using the Relay Matrix Switches
Using This Chapter
This chapter uses typical examples to show how to use the Relay Matrix
Switch modules. It contains the following sections:
• Relay Matrix Switch Commands/States . . . . . . . . . . . . . . . . . .31
• Relay Matrix Switch Functions . . . . . . . . . . . . . . . . . . . . . . . . .33
NOTE All examples in this chapter use GPIB select code 7, primary address 09,
and secondary address 14 (LADDR = 112) for the modules.
Relay Matrix Switch Commands/States
This section shows the relay matrix commands used in this chapter, the
query commands, and the power-on/reset states.
Relay Matrix Switch
Commands
This table shows some of the commands used in this chapter. Commands
in square brackets ([ ]) are implied and are not sent with the command.

See Chapter 3 for additional information.
Command Description
INITiate[:IMMediate] Starts the scan sequence and closes the first channel in the
channel_list.
[ROUTe:]CLOSe <
channel_list > Closes the channels in the channel_list.
[ROUTe:]CLOSe? <
channel_list > Queries the state of the channels in the channel_ list.
[ROUTe:]OPEN <
channel_list > Opens the channels in the channel_list.
[ROUTe:]OPEN? <
channel_list > Queries the state of channels in the channel_ list.
[ROUTe:]SCAN <
channel_list > Defines the channel_list to be scanned. Channels specified
are closed one at a time.
TRIGger:SOURce <
source > 
source = BUS | EXT | HOLD | IMM | TTLT | ECLT
Selects the trigger source to advance the scan.
*CLS Clears switchbox status registers and error queue.
*RST Resets the hardware to a known state.