06 writes data into d register, Writes data into d register -7, Function – Yokogawa PR300 Power and Energy Meter User Manual
Page 101: Request (for nomal operation), Response (for normal operation), Example
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< 6. Modbus/TCP Communication Protocol>
6-7
IM 77C01E01-10E
06
Writes data into D register
●
Function
This function code writes data into a specified D register number.
•
The maximum number of D registers to be written into at a time is 1.
•
For the format of response in the event of failure, see subsection 6.4.4.
●
Request (for nomal operation)
Element
Number of bytes
Command
element
MBAP Header
2
2
2
2
2
1
1
Hex value
Arbitrary
0000
0006
01 to 99
06
PDU
Unit ID
Function
code
Transaction ID
Protocol ID
Register
start number
Write data
Number of
bytes
●
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
06
PDU
Unit ID
Function
code
Transaction ID
Protocol ID
Register
start number
Write data
Number of
bytes
●
Example
Write 5 (500Wh/pls) into the D0209 (pulse unit) at station number 01.
[Request] 000100000006010600D00005
(1) “0001”: Arbitrary 2-byte data
(2) “0000”: Protocol ID=0000 (fixed)
(3) “0006”: Number of bytes
(4) “01”: Unit ID=01 indicating PR300
(5) “06”: Function code=06
(6) “00D0”: D register number 209
(7) “0005”: Write data
The following response will be returned to the request above.
[Response]
000100000006010600D00005
(1) “0001”: Arbitrary 2-byte data in the request
(2) “0000”: Protocol ID=0000 (fixed)
(3) “0006”: Number of bytes
(4) “01”: Unit ID=01 indicating PR300
(5) “06”: Function code=06
(6) “00D0”: D register number 209
(7) “0005”: Write data
* Numbers in quotation marks are hexadecimal.
(1)
(2)
(3)
(6)
(7)
(4) (5)
(1)
(2)
(3)
(6)
(7)
(4) (5)