2 Operation and Features
GPIB Interface Reference
56 E364xA User’s and Service Guide
GPIB Interface Reference
The GPIB connector on the rear panel connects your power
supply to the computer and other GPIB devices.
Chapter 1,
“Accessories” lists the cables that are available from
Keysight. A GPIB system can be connected together in any
configuration (star, linear, or both) as long as the following
rules are observed:
Each device on the GPIB (IEEE- 488) interface must have a
unique address. You can set the power supply’s address to
any value between 0 and 30. The address is set to 5 when
the power supply is shipped from the factory. The GPIB
address is displayed at power- on.
You can set the GPIB address from the front panel only.
• The address is stored in the non- volatile memory, and
does not change when power has been turned off or after
a power- on reset (*RST command).
• Your computer's GPIB interface card has its own address.
Avoid using the computer's address for any instrument on
the interface bus. Keysight GPIB interface cards generally
use address 21.
• The total number of devices including the computer is not
more than 15.
• The total length of all the cables used is not more than
2 m times the number of devices connected together, up
to a maximum of 20 m.
• Do not stack more than three connector blocks together
on any GPIB connector. Make sure that all connectors are
fully seated and that the lock screws are firmly finger
tightened.
Refer to “Configuring the Remote Interface” on page 42 for
more information on configuring the power supply for
remote interface operations from the front panel.
IEEE-488 states that you should exercise caution if your individual cable
lengths exceed 4 m.
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