Energy Meter Manual

8-18
<Toc> <Ind> <8. PR201 Original Communication Protocol>
IM 77C01E01-10E
● Example
Reads the measured value and maximum/minimum values of PR300 with station number
01 in batch. 䊐䊐 indicates the checksum value.
[Command]
[STX]DGM01䊐䊐[ETX][CR]
Returns the following response for the above command.
[Response]
[STX]DGM0110000E+31000010000+1.000E+31.000E+31.000E+31.000E+3
1.000E+31.000E+31.000E+3G0.8001.000E+31.000E+21.000E+3
1.000E+31.000E+31.000E+21.000E+21.000E+31.000E+3䊐䊐[ETX][CR]
(1) (2) (3) (4) (5) (6) (7)
(8) (9) (10) (12) (13) (14)(11)
(15) (16) (17) (18) (19) (20)
(1) Active energy: 10000E+3 Wh (10 MWh), (2) Optional electric energy (previ-
ous value): 10000 Wh, (3) Optional electric energy (current value): 10000 Wh,
(4) Active power: +1.000E+3 W (1000 W), (5) Voltage-1: 1.000E+3 V (1000 V),
(6) Voltage-2: 1.000E+3 V (1000 V), (7) Voltage-3: 1.000E+3 V (1000 V),
(8) Current-1: 1.000E+3 A (1000 A), (9) Current-2: 1.000E+3 A (1000 A),
(10) Current-3: 1.000E+3 A (1000 A), (11) Power factor: G0.800, (12) Maximum
voltage-1: 1.000E+3 V (1000 V), (13) Minimum voltage-1: 1.000E+ 2 V (100 V),
(14) Maximum current-1: 1.000E+3 A (1000 A), (15) Maximum voltage-2:
1.000E+3 V (1000 V), (16) Maximum voltage-3: 1.000E+3 V (1000 V),
(17) Minimum voltage-2: 1.000E+2 V (100 V), (18) Minimum voltage-3:
1.000E+2 V (100 V), (19) Maximum current-2: 1.000E+3 A (1000 A),
(20) Maximum current-3: 1.000E+3 A (1000 A).
● Parameter: X (Reads model and suffix codes)
• Function
Returns the model and suffix codes of PR300.
• Command/response
Number
of bytes
121 2
2 11
Command
element
STX DG X
Station
number
(ADR)
Checksum
ETX CR
There is no command data for data reading.
121 2 14
Response
element
STX DG X Station
number
(ADR)
PR201-
ⵧⵧⵧⵧⵧ-䉭䉭
(Note 1)
211
Checksum ETX CR
Number
of bytes
Response data is returned in a 14-byte ASCII character string.