Name: Keithley 2182
Brand: Keithley
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Remote Operation 11-3

Selecting and conﬁguring an interface

Interfaces

The Model 2182 Nanovoltmeter supports two built-in remote interfaces:

• GPIB Interface

• RS-232 Interface

You can use only one interface at a time. At the factory, the GPIB bus is selected. 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.

GPIB interface — The GPIB is the IEEE-488 interface. The Model 2182 must be assigned

to a unique address. At the factory the address is set to 07, but can be set to any value from 0 to

30. However, the address must not conﬂict with the address assigned to other instruments in the

system. You can use either the SCPI or 182 language to program the instrument.

RS-232 interface — When using the RS-232 interface, you must select baud rate, terminator,

and ﬂow control. For the RS-232 interface, you can only use the SCPI language to program the

instrument.

NOTE When changing the interface (GPIB to RS-232, or vice versa), all data in the buffer

clears.

Languages

For the GPIB interface, there are two programming languages to choose from:

• SCPI Language

• 182 Language

NOTE For the RS-232 interface, only the SCPI language can be used to program the

instrument. When the RS-232 interface is selected, it automatically defaults to SCPI.

SCPI language — Standard Commands for Programmable Instrument (SCPI) is fully

supported by the GPIB and RS-232 interfaces. Always calibrate the Model 2182 using the SCPI

language.

182 Language — The Model 2182 implements most commands (DDCs) available in the

Keithley Model 182 Sensitive Digital Voltmeter. The commands (along with programming

limitations) are provided in Appendix D. See the Model 182 Instruction Manual.

NOTE The 182 Language is intended to be used only over the IEEE-488 bus. Using front

panel controls in conjunction with this language may cause erratic operation. In this

case, results cannot be guaranteed.

Keithley 2182 User Manual

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