User`s manual

6-17
6.6 Command and Transmission Frame Details
INP-TN5A0202-E
Example of message transmission
When reading out the set value of “Device Type of Setting Area” from a programless communication module, the message
composition is as follows.
“Device type of the setting area” relative address: 000Ah
Master Slave
Command message (Byte)
Station No. 80H Response Message (Byte)
Function code 03H Station No. 80H
Number to start
reading out
(Relative address)
Upper 00H Function code 03H
Lower 0AH Number of bytes to read out 02H
Number of words
to read out
Upper 00H
First word data
contents
Upper 00H
Lower 01H Lower A8H
CRC data
Lower BAH
CRC data
Lower 85H
Upper 19H Upper E4H
The meaning of read out data
Device type of the setting area= 00A8h (Data register)
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