Energy Meter Manual
8-12
<Toc> <Ind> <8. PR201 Original Communication Protocol>
IM 77C01E01-10E
• Example
Initializes the maximum and minimum values of PR300 with station number 01. 䊐䊐 indi-
cates the checksum value.
[Command]
[STX]DG901䊐䊐[ETX][CR]
Returns the following response for the above command.
[Response]
[STX]DG901䊐䊐[ETX][CR]
● Parameter: A (Reads measured value and maximum/minimum values in
batch)
• Function
Reads the active energy, optional electric energy (previous and current values), active
power, voltage-1, current-1, power factor, maximum voltage-1, minimum voltage-1 and
maximum current-1.
• Command/response
Number
of bytes
121 2
2
11
Command
element
STX DG A
Station
number
(ADR)
Checksum
ETX CR
There is no command data for data reading.
121 2
5
5
5
Response
element
STX DG A Station
number
(ADR)
ⵧⵧⵧⵧⵧ
(
Active energy
)
9
ⵧ.ⵧⵧⵧE䊊
(Active power)
ddddd
(Previous value
of optional
electric energy)
ddddd
(Current value
of optional
electric energy)
Number
of bytes
Response data is returned as a 70-byte ASCII character string.
Continued
88
ⵧ.ⵧⵧⵧE䊊
(Voltage-1)
ⵧ.ⵧⵧⵧE䊊
(Current-1)
6
䉭ⵧ.ⵧⵧⵧ
(Power factor)
8
ⵧ.ⵧⵧⵧE䊊
(Maximum voltage-1)
8
ⵧ.ⵧⵧⵧE䊊
(Minimum voltage-1)
Continued
82
1
1
ⵧ.ⵧⵧⵧE䊊
(Maximum current-1)
Checksum
ETX
CR










