7-2 GPIB Operation
Introduction
The GPIB bus is the IEEE-488 instrumentation data bus with hardware and programming
standards originally adopted by the IEEE (Institute of Electrical and Electronic Engineers) in
1975. The power supply conforms to these standards:
• IEEE-488-1987.1
• IEEE-488-1987.2
These standards define a syntax for sending data to and from instruments, how the instrument
interprets this data,
what registers should exist to record the state of the instrument, and a group
of common commands.
• SCPI 1995.0 (Standard Commands for Programmable Instruments)
This standard defines a command language protocol. It goes one step further than
IEEE-488-1987.2 and
defines a standard set of commands to control every programmable aspect
of the instrument.
GPIB bus connections
To connect the power supply to the GPIB bus, use a cable equipped with standard IEEE-488
connectors. The IEEE connector on the power supply is shown in Figure 7-1.
CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
LINE RATING
100-120VAC, 200-240VAC
50, 60 HZ 150VA MAX
LINE FUSE
SLOWBLOW
2.0A, 250V
IEEE-488
(ENTER IEEE ADDRESS
FROM FRONT PANEL MENU)
REMOTE
DISPLAY
OPTION
RELAY
CONTROL
24VDC MAX
IEEE-488 Connector
igure 7-
EEE-488 connector
NOTE To minimize interference caused by electromagnetic radiation, use only shielded
IEEE-488 cables. Available shielded cables from Keithley are Models 7007-1 and
7007-2.
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