Command/response, Example – Yokogawa PR300 Power and Energy Meter User Manual
Page 126
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<8. PR201 Original Communication Protocol>
8-11
IM 77C01E01-10E
●
Parameter: 8 (Stops optional integration)
• Function
Stops optional integration.
• Command/response
Number
of bytes
1
2
1
2
2
1
1
Command
element
STX
DG
8
Station
number
(ADR)
Checksum ETX
CR
There is no command data for data reading.
1
2
1
2
0
Response
element
STX
DG
8
Station
number
(ADR)
No data
2
1
1
Checksum ETX
CR
Number
of bytes
There is no response data.
• Example
Stops optional integration of PR300 with station number 01.
ᮀᮀ
indicates the checksum
value.
[Command]
[STX]DG801
ᮀᮀ
[ETX][CR]
Returns the following response for the above command.
[Response]
[STX]DG801
ᮀᮀ
[ETX][CR]
●
Parameter 9: (Initializes maximum and minimum values)
• Function
Initializes the maximum and minimum values (maximum and minimum values of voltage-1
to voltage-3 and maximum value of current-1 to current-3)
• Command/response
Number
of bytes
1
2
1
2
2
1
1
Command
element
STX
DG
9
Station
number
(ADR)
Checksum ETX
CR
There is no command data for data reading.
1
2
1
2
0
Response
element
STX
DG
9
Station
number
(ADR)
No data
2
1
1
Checksum ETX
CR
Number
of bytes
There is no response data.