Energy Meter Manual

<Toc> <Ind> <8. PR201 Original Communication Protocol>
8-7
IM 77C01E01-10E
● Parameter: 2 (Reads optional electric energy)
• Function
Reads the previous value and current value of optional electric energy.
• Command/response
Number
of bytes
121 2
2 11
Command
element
STX DG 2
Station
number
(ADR)
Checksum
ETX CR
There is no command data for data reading.
121 2 5
Response
element
STX DG 2
Station
number
(ADR)
ddddd
(Previous
value)
5
ddddd
(Current
value)
211
Checksum
ETX CR
Number
of bytes
Response data is returned as a 5-byte ASCII character string (00000 to 99999).
• Example
Reads the optional electric energy of PR300 with station number 01. 䊐䊐 indicates the
checksum value.
[Command]
[STX]DG201䊐䊐[ETX][CR]
Returns 10000 Wh as optional electric energy (previous value) and 10000 Wh as
optional electric energy (current value) for the above command.
[Response]
[STX]DG2011000010000䊐䊐[ETX][CR]
● Parameter: 3 (Instantaneous power)
• Function
Reads the active power.
• Command/response
Number
of bytes
121 2
2 11
Command
element
STX DG 3
Station
number
(ADR)
Checksum
ETX CR
There is no command data for data reading.
121 2 9
Response
element
STX DG 3 Station
number
(ADR)
ⵧ.ⵧⵧⵧE䊊
211
Checksum ETX CR
Number
of bytes
Response data is returned as a 9-byte ASCII character string (±0.000E+0 to ±9.999E+6).