Objects associated with specific applications
READ_PARAM: Reading adjustment parameters
Introduction
Illustration
The READ_PARAM instruction enables the adjustment parameters of the module
(or built-in interface) to be read.
Reading updates the status words associated with the adjustment parameters
%MWy.i.r .
Read instruction
Processor PLC
%MWy.i.r objects
Current adjustment parameters
READ_PARAM
E/S Module or interface built-in task
Current adjustment parameters
Syntax
Example
The READ_PARAM instruction is defined as follows:
READ_PARAM%CHy.i
The table below describes the different elements which constitute the instruction.
i
Element Description
READ_PARAM Name of instruction.
%CH y
Channel-type object.
Module position.
Channel number.
The table below gives an example of an explicit exchange using the READ_PARAM instruction.
Object
READ_PARAM%CH3.1
Description
Reading the adjustment parameters of channel 1 of the module located in position 3.
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TLX DS 37 PL7 xxE
