User Manual

2400 Series SourceMeter
®
User’s Manual Remote Operations 14-3
Remote-to-local transition
When changing from remote to local operation, the following actions occur.
The SourceMeter stops performing source-measure operations and returns
to the idle state (ARM annunciator off).
All sweep operations are aborted.
All user-defined display messages are cancelled.
The display is turned on (if it was previously turned off).
Source autoranging is disabled.
Concurrent measurements are enabled.
If resistance was enabled, source readback is enabled.
The display is set to the default toggle state.
Readings are continuously taken (if OUTPUT is on).
Selecting an interface
The SourceMeter supports two built-in remote interfaces:
GPIB (General Purpose Interface Bus)
RS-232 interface
You can use only one interface at a time. The factory interface selection is the
GPIB bus. You can select the interface only from the front panel. The interface
selection is stored in non-volatile memory; it does not change when power has
been off or after a remote interface reset.
The GPIB bus is the IEEE-488 interface. You must select a unique address for the
Source-Meter. The address is displayed when the instrument is turned on. At the
factory, the address is set to 24. The RS-232 interface is a serial interface.
An interface is selected and configured from the COMMUNICATIONS option of
the Main Menu (Section 1, “Main menu”). For details on the programmable
aspects of the interfaces, see “Primary address,” page 14-4, and “RS-232 inter-
face operation,” page 14-13.
NOTE When changing interface selections, the SourceMeter performs a power-
on reset. To check and/or change options of the selected interface, you
must re-enter the menu structure.