8.2
Language words and bits
Language objects associated with the discrete specific application
Presentation
Aim of this section
What's in this
Section?
This section presents the different language objects associated with the discrete specific application.
This Section contains the following Maps:
Topic
Implicit exchange objects
Exchange management: Module %MWx.MOD.0:Xj or channel %MWx.i.0:Xj exchanges in progress
Exchange management: Module %MWx.MOD.1:Xj or channel %MWx.i.1:Xj report
Explicit exchange objects: General
Explicit exchange objects: Status Module %MWx.MOD.2:Xj
Explicit exchange object: Command Word %MWxMOD.3:Xj
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Language words and bits
Implicit exchange objects
At a Glance Exchanges for these objects are carried out automatically on each cycle of the task in which the module channels are configured.
Bit objects
Address
%Ix.i
The table below shows the different implicit exchange bit objects.
Function
Input channel bit
%Qx.i
%Ix.i.ERR
Output channel bit
Channel error bit
%Ix.MOD.ERR
Module error bit
Meaning when the bit is at state 1
Indicates for input channel i that the output of the sensor controlling the input is activated.
Indicates that output channel i is activated.
Indicates that input channel i is faulty.
Indicates that the module is faulty.
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