Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual User Manual
Page 94

Error Reporting
Chapter 7
7Ć5
Access to Error Block
The error block retains its data even after the message procedures are
done executing. It is re–initialized with each execution of a MSG
instruction in the PLC–3 ladder diagram program.
The extended address for the beginning of the error block file is
$E2.5.nn.4.0.
where “nn” is the thumbwheel number of the 1775–KA module. You can
access this error block by any one of the following means:
Displaying it through the front panel of the PLC–3 controller
Using the data monitor mode of the Industrial Terminal (cat. no.
1770–T4)
Using the move status (MVS) command in the PLC–3 ladder diagram
program
Using the I/O Scanner–Message Handling Module (cat. no. 1775–S4B)
Using the 1775–KA module
Using the 1775–GA
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