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4.
Remote Operation
4.1
Overview
This section describes how to program the 63200A Series DC Electronic Loads remotely
from a GPIB or USB. The command set introduced here can be applied to all electronic
loads of 63200A Series Electronic Loads that equipped with optional GPIB card or USB.
GPIB or USB can be used one at a time. If GPIB is used first in remote control, USB will be
disabled unless the machine is reset, and vice versa.
4.2
Introduction to Programming
4.2.1
Basic Definition
GPIB statement includes instrument control and query commands. A command statement
sends an instruction to the electronic load, and a query command to request information
from the electronic load.
Simple Command
A simple command statement consists of a command or keyword usually followed by a
parameter or data:
LOAD ON
or
TRIG
Compound Command
When two or more keywords are connected by colons (:), it creates a compound command
statement. The last keyword usually is followed by a parameter or data:
CURRent : STATic : L1 3
or
CONFigure : VOLTage : RANGe HIGH
Query Command
A simple query command consists of a keyword followed by a question mark:
MEASure : VOLTage?
MEASure : CURRent?
or
CHAN?
Forms of Keywords
There are two forms for a keyword as described below.
Long-Form
The word is spelled out completely to identify its function. For instance, CURRENT,
VOLTAGE, and MEASURE are long-form keywords.
Remote Operation
4-1
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