
Agilent B1500A/B1505A Programming Guide, Edition 11 2-81
Remote Mode Functions
Trigger Function
To Make Wait State Using WS/WSX
The WS or WSX command puts the B1500 into a wait state. The B1500 can be
recovered from the wait state by an external trigger. Then the B1500 executes the
commands following the WS/WSX command. The external trigger only releases the
wait state set by the WS/WSX command.
• WS waits for a trigger sent to the Ext Trig In terminal.
• WSX waits for a trigger sent to the specified terminal.
In the initial setting, the negative logic is available. To change it to the positive, send
the TGP command.
If you want to end a wait state before receiving an external trigger, enter the AB or
*RST command, or use the device clear (HP BASIC CLEAR statement) if any other
commands have already been entered.
NOTE For easy programming, do not enter the TM command, or use the TM1, TM2, or
TM4 event mode. The TM3 event mode will complicate programming.
To Send Trigger Using OS/OSX
To trigger an external device from the B1500, use the OS or OSX command.
• OS sends an edge trigger to the Ext Trig Out terminal.
• OSX sends a trigger to the specified terminal.
In the initial setting, negative logic is available. To change it to positive, send the
TGP command.
Enter the WS/WSX command immediately after the OS/OSX command. Then the
B1500 triggers an external device to start its operation by the OS/OSX, and waits for
an operation complete trigger from the external equipment. This scenario ensures
that the B1500 and external equipment operations do not overlap.
Agilent E5270
WS
Wait state
External device
Time
Operation
end
Operation
OSstart
Wait state
start
Operation
Wait state
WS
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