User`s manual

6-19
6.6 Command and Transmission Frame Details
INP-TN5A0202-E
Example of message transmission
When reading out “PLC inter-cycle time monitor” from the programless communication module, the message composition is
as follows.
“PLC inter-cycle time monitor” relative address: 03EEh
Master Slave
Command message (Byte)
Station No. 80H Response message (Byte)
Function code 04H Station No. 80H
Number to start
reading out
(Relative address)
Upper 03H Function code 04H
Lower EEH Number of bytes to read out 02H
Number of words
to read out
Upper 00H
First word data
contents
Upper 00H
Lower 01H Lower 32H
CRC data
Lower 4FH
CRC data
Lower 04H
Upper AAH Upper FBH
The meaning of read out data
PLC inter-cycle time monitor = 50ms
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