TOHO ELECTRONICS TTM000 - Manual (Page 28)

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6.8.3 Composition of a store request message
a) Start code “:”
b) Slave address “0” , “3”
c) Function code “1” , “0”
d) Register address
High level “0” , “2”
First register address
Low level “0” , “E”
e) Number of registers
High level “0” , “0”
Fixed at 2
Low level “0” , “2”
h) Number of data items “0” , “4” Number of registers 2
i)
Data for the first register
(a low-level word)
High level “0” , “0”
The data about the storage of settings is
arbitrary.
Low level “0” , “0”
Data for the first register + 1
(a high-level word)
High level “0” , “0”
Low level “0” , “0”
f) LRC “D” , “7”
g) End code CR, LF