Energy Meter Manual

<Toc> <Ind> <8. PR201 Original Communication Protocol>
8-9
IM 77C01E01-10E
● Parameter: 5 (Instantaneous current-1), parameter: K (Instantaneous current-
2), Parameter: L (Instantaneous current-3)
• Function
Reads current-1 by parameter: 5, current-2 by parameter: K and current-3 by parameter: L.
• Command/response
Number
of bytes
121 2
2 11
Command
element
STX DG 5
(K)
(L)
Station
number
(ADR)
Checksum
ETX CR
There is no command data for data reading.
121 2 8
Response
element
STX DG 5
(K)
(L)
Station
number
(ADR)
ⵧ.ⵧⵧⵧE䊊
211
Checksum ETX CR
Number
of bytes
Response data is returned as an 8-byte ASCII character string (0.000E+0 to 9.999E+5)
• Example
Reads current-1 of PR300 with station number 01. 䊐䊐 indicates the checksum value.
[Command]
[STX]DG501䊐䊐[ETX][CR]
Returns a response of current-1: 1000 A (1.000E+3 A) for the above command.
[Response]
[STX]DG5011.000E+3 䊐䊐[ETX][CR]
● Parameter: 6 (Instantaneous power factor)
• Function
Reads a power factor.
• Command/response
Number
of bytes
121 2
2 11
Command
element
STX DG 6
Station
number
(ADR)
Checksum
ETX CR
There is no command data for data reading.
121 2 6
Response
element
STX DG 6 Station
number
(ADR)
䉭ⵧ.ⵧⵧⵧ
211
Checksum ETX CR
Number
of bytes
Response data is returned as a 6-byte ASCII character string (D0.500 to 1.000 to G0.500).