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3-4
Remote Operation
RS-232 connections
The RS-232 serial port of the Model 6517A can be connected to the serial port of a com-
puter using a standard, straight-through (not null modem) RS-232 cable terminated with
DB-9 connectors. The serial port is located on the rear panel of the Model 6517A and is
labeled "RS232".
If your computer uses a DB-25 connector for the RS-232 interface, you will need a cable
or an adapter with a DB-25 connector on one end and a DB-9 connector on the other end.
Again, make sure it is wired straight-through (not null modem).
IEEE-488 interface, address and language selection
The Model 6517A is shipped from the factory with the IEEE-488 bus selected, the pri-
mary address set to 27 and the SCPI language mode selected. The primary address is dis-
played on power-up if the IEEE-488 bus is the selected interface. Note that the IEEE-488
bus is also known as the GPIB (General Purpose Interface Bus).
Perform the following steps to select the IEEE-488 bus interface, check and/or change the
primary address, and check and/or change the language mode:
1.
2.
3.
NOTE
4.
NOTE
Press MENU to display the MAIN MENU.
Place the cursor (using
The interface options (GPIB and RS-232) will then be displayed.
Place the cursor on GPIB and press ENTER to select the IEEE-488 bus interface.
If the RS-232 interface was previously selected, the unit will exit from the MAIN
MENU when you select GPIB. In that event, repeat steps 1, 2, and 3 to continue
in the menu structure.
Perform the following steps if you wish to check and/or change the primary
address:
a.
Place the cursor on ADDRESSABLE and press ENTER to display the
addressable menu items (ADDRESS and LANGUAGE).
b.
Place the cursor on ADDRESS and press ENTER to display the primary
address.
c.
To change the address, use the cursor keys and the RANGE keys to display the
desired address, and press ENTER.
Each device on the bus must have a unique address. Typically, the computer uses
address 0 or 21.
Model 6517A Getting Started Manual
and
keys) on COMMUNICATION and press ENTER.
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