Remote Operation; Changing Operation From Local To Remote - ILX Lightwave LDX-32420 User Manual

High power precision current source
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
Everything you learned to do from the front panel can also be done remotely and
in some cases with more flexibility. For instance, in remote mode, you have
access to commands for functions not found on the front panel, such as
commands that will increment (INC) and decrement (DEC) the current set point by
a pre-defined step value. The following sections show you the fundamentals of
operating your LDX-32420 remotely through the GPIB or USB computer
interfaces.

Changing Operation from Local to Remote

R
Sending a command over the GPIB or USB bus will
automatically put the instrument in remote mode. The
REMOTE indicator will identify when the current source is
in remote operation mode. When the instrument is in
remote mode, pressing the LOCAL switch returns the
instrument to local control mode unless a local lockout
state has been activated by the low level GPIB command
LLO from the host computer. Local lockout disables all
front panel switches until this condition is changed by the
host computer. In this condition, the REMOTE indicator will
flash at a 1 Hz rate. The TALK/LISTEN indicator is
illuminated when the instrument is communicating over the
GPIB or USB bus.
For more information on low level interface commands
such as LLO, refer to the IEEE488.1 specification.
C H A P T E R
O
EMOTE
PERATION
3
25
LDX-32420

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