12-8 Remote Operation
To change the GPIB address:
1. Press SHIFT and then GPIB to access the GPIB configuration menu.
2. Use the
or key to display the present address (i.e. ADDR: 14).
3. Use the
, , and keys to display a valid address value and press ENTER.
4. Return to the main display by pressing EXIT.
General bus commands
Commands and associated statements
General commands are those commands, such as DCL, that have the same general meaning
regardless of the instrument. Table 12-1 lists the general bus commands.
REN (remote enable)
The remote enable command is sent to Model 6514 by the controller to set up the instrument
for remote operation. Generally, the instrument should be placed in the remote mode before you
attempt to program it over the bus. Simply setting REN true does not actually place the instru-
ment in the remote state. You must address the instrument to listen after setting REN true before
it goes into remote.
Note that the instrument does not have to be in remote to be a talker.
Also, note that all front panel controls except for LOCAL and POWER are inoperative while
the instrument is in remote. You can restore normal front panel operation by pressing the
LOCAL key.
Table 12-1
General bus commands
Command Effect on Model 6514
REN Goes into remote when next addressed to listen.
IFC Reset interface; all devices go into talker and listener idle states.
LLO LOCAL key locked out.
GTL Cancel remote; restore front panel operation for Model 6514.
DCL Return all devices to known conditions.
SDC Returns Model 6514 to known conditions.
GET Initiates a trigger.
SPE, SPD Serial polls Model 6514.
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