16 writes data into multiple d registers, Writes data into multiple d registers -9, Function – Yokogawa PR300 Power and Energy Meter User Manual
Page 103: Response (for normal operation)
<Toc> <Ind>
< 6. Modbus/TCP Communication Protocol>
6-9
IM 77C01E01-10E
16
Writes data into multiple D registers
●
Function
This function code writes data into successive D registers by the number starting with 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 6.4.4.
•
Broadcast addressing is possible (by setting “00” to the station number).
No response is returned when using the broadcast addressing.
●
Request (for nomal operation): Writing data to n registers
1
2
2
2n
Data 1
Data n
Element
Number of bytes
Command
element
MBAP Header
2
2
2
2
2
1
1
Hex value
Arbitrary
0000
2n+7
n
01 to 99
10
PDU
PDU
Unit ID
Function
code
Transaction ID
Protocol ID
Register
start number
Number of
registers
Number of
bytes
Byte
count
Request (continued)
● ● ● ●
●
Response (for normal operation)
01 to 99
Element
Number of bytes
Command
element
MBAP Header
2
2
2
2
2
1
1
Hex value
Arbitrary
0000
0006
10
n
PDU
Unit ID
Function
code
Transaction ID
Protocol ID
Register
start number
Number of
registers
Number of
bytes