Mitsubishi Melsec-L Series User Manual page 184

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(2) Confirmation using GX Works2, display unit, or indicator LED of
C24
The following shows how to confirm the errors.
"Module's Detailed Information"
screen
"Error History" screen
GX Works2
"Intelligent Function Module
Monitor" screen
Display unit Buffer memory monitor
Indicator LED
ERR LED turns on
of C24
POINT
When a transmission error occurs, the CPU module may not transmit all the
designated data.
It is recommended that data communications be performed by establishing a user
arbitrary communication procedure that can check normal transmission by
reception of a response to data transmission.
10 DATA COMMUNICATION USING THE NONPROCEDURAL PROTOCOL
Item Reference
Chapter 15
Chapter 15
GX Works2 Version 1 Operating
Manual
(Intelligent Function Module)
MELSEC-L CPU Module User's
Manual (Function Explanation,
Program Fundamentals)
Chapter 15
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