Yokogawa PR300 Power and Energy Meter - Manual (Page 134)

<Toc> <Ind> <8. PR201 Original Communication Protocol>
8-19
IM 77C01E01-10E
Note 1: Information on model and suffix codes
PR201-
ଝଙ
011-20
<Model> <Suffix code>
ଝ
: Returns the current phase and wire system:
1: Single-phase two-wire
2: Single-phase three-wire
3. Three-phase three-wire
4. Three-phase four-wire
5. Three-phase four-wire (2.5e)
ଙ
: Returns the current rated input:
1: 150V/1A
2: 150V/5A
3: 300V/1A
4: 300V/5A
5: 600V/1A
6: 600V/5A
011: Returns a suffix code.
0: Produces neither analog output nor pulse output.
1: RS-485 communication
1: Power factor measuring function
20: Returns a suffix code.
2: 85 to 264 VAC
0: Always 0
• Example
Reads the format of PR300 with station number 01.
ᮀᮀ
indicates the checksum value.
[Command]
[STX]DGX01 ᮀᮀ [ETX][CR]
Returns the following response for the above command.
Wire system: Single-phase three-wire, Rated input: 300V/5A, I/O: Without analog
output, without pulse output, Communication: RS-485 communication, Measurement:
Power factor measurement
[Response]
[STX]DGX01PR201-24011-20 ᮀᮀ [ETX][CR]
NOTE
When reading the model and suffix codes of PR300, “PR201” is returned as model name
because of the compatibility with existing application for PR201.