User Documentation

Communications
1435710000/01/05.13 83
• Response message from Slave in normal status
3.5 idle
characters
Slave
address
(01H)
Function
code
(10H)
Data item
(0064H)
Number of
data item to
write
(0002H)
Error check
CRC-16
(0017H)
3.5 idle
characters
1 1 2 2 2 ← character
number
• A response message from the Slave in exception (error) status (when number of data has been mistaken.)
Function code MSB is set to 1 for the response message in exception (error) status (90H).
The exception code 03H (Value out of the device numbers) is returned as contents of error.
<Mistaken message example (Command)>
3.5 idle
characters
Slave
address
(01H)
Function
code
(10H)
Number of
data item to
write
(0002H)
Number of
data
(06H)
⇒
⇑
Mistake
⇒
Data 1
(0000H)
Data 2
(0000H)
Error check
CRC-16
(8DB4)
3.5 idle
characters
<Response message from Slave to mistaken command (response message in exception (error) status)>
3.5 idle
characters
Slave
address
(01H)
Function
code
(90H)
Exception
code
(03H)
Error check
CRC-16
(0C01H)
3.5 idle
characters