Modem language objects
Language objects in implicit exchange
Introduction
Bit objects
This page describes all the language objects for implicit exchange in modem communication that can be displayed or modified by the application program. (PL7
Micro/Junior/Pro ; Communication applications ; Volume 1)
The table below shows the different bit objects for implicit exchange.
Object (1) Function
%Ixy.MOD.ERR Module error bit
%Ixy.i.ERR
Channel error bit
Meaning
This bit set to 1, indicates a module error (at least one of the channels is faulty,…)
This bit set at 1 indicates a faulty channel.
Key
(1) Address xy.i
z z z x: corresponds to the rack number, y: corresponds to the module number, i: corresponds to the channel number.
Word objects The table below shows the different word objects for implicit exchange.
Object (1)
%IWxy.i.0
%IWxy.i.1
Function
Not used
General status of slaves
Meaning
x0 = 1: if at least one slave does not respond
Key
(1) Address xy.i
z z z x: corresponds to the rack number, y: corresponds to the module number, i: corresponds to the channel number.
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