YOKOGAWA UPM100, User Manual

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5-14
IM 77C01H01-10EN
5.2 Message and Response
16 Writes data into multiple D registers
Function
This function code writes data into successive D registers by the number starting from a
specified D registers number.
• The maximum number of D registers to be written into at a time is 32.
• For the format of response in the event of failure, see subsection 5.1.4.
• Broadcast addressing is possible (by setting “00” to the station number).
No response for broadcast addressing.
Message (for normal operation)
Element
Start of
Message Mark
(:)
Station
Number
(ST-NO)
Function Code
(10)
D-Register
Start Number
(Upper Digit)
D-Register
Start Number
(Lower Digit)
Number of bytes
in RTU mode
None 1 1 1 1
Number of bytes
in ASCII mode
1 2 2 2 2
Message (continued)
Number of
D Registers
(Upper Digit)
Number of
D Registers
(Lower Digit)
Byte
Count
Data
(Upper Digit)
Data
(Lower Digit)
…
Error
Check
End of
Message
Mark
(CR + LF)
1 1 1 1 1 … 2 None
2 2 2 2 2 … 2 2
Response (for normal operation)
Element
Start of
Message Mark
(:)
Station
Number
(ST-NO)
Function Code
(10)
D-Register
Start Number
(Upper Digit)
D-Register
Start Number
(Lower Digit)
Number of bytes
in RTU mode
None 1 1 1 1
Number of bytes
in ASCII mode
1 2 2 2 2
Response (continued)
Number of
D Registers
(Upper Digit)
Number of
D Registers
(Lower Digit)
Error Check
End of
Message Mark
(CR + LF)
1 1 2 None
2 2 2 2