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Overview of Remote Control
GPIB remote control system
Required Equipment
1. E4981A
2. External controller (computer)
Use a personal computer or workstation equipped with the GPIB interface. You need to
install software to control this instrument via the GPIB into the external controller (for
example, HTBasic or Keysight VEE).
3. Other devices (other instruments and/or peripherals that serve your purpose)
4. GPIB cables for connecting the E4981A, the external controller, and other devices
Scale of the system you can construct
•
You can connect up to 15 devices in a single GPIB system.
•
The length of cables to make connections between devices must be 4 m or less. The
total length of connecting cables in a single GPIB system must be 2 m ∞ the number of
connected devices (including the controller) or less. You cannot construct a system in
which the total cable length exceeds 20 m.
•
The number of connectors connected to an individual device must be four or less. If
you connect five or more connectors, excessive force will be applied to the connector
part, which may result in failure.
•
You can choose the device connection topology from star, linear, and combined. Loop
connection is not supported.
Device selector
The device selector is a unique value assigned to each device that is used by the controller
to select the control target (to send/receive messages) among devices connected on the
GPIB remote control system.
The device selector consists of a select code (usually, 7) and a GPIB address. For example,
when the select code is 7 and the GPIB address is 17, the device selector is 717. The select
code must be individually set for each system. The GPIB address must be set to a unique
value for each device, and is used to identify devices on the same system. In the description
and sample programs in this manual, it is assumed that the device selector is set to 717.
Setting the GPIB address of the E4981A
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[System]
SYSTEM CONFIG
22
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GPIB ADDR
Chapter 2
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