Yokogawa PR300 Power and Energy Meter - Manual (Page 129)

8-14
<Toc> <Ind> <8. PR201 Original Communication Protocol>
IM 77C01E01-10E
• Example
Reads the maximum voltage-1 of PR300 with station number 01.
ᮀᮀ
indicates the
checksum value.
[Command]
[STX]DGB01 ᮀᮀ [ETX][CR]
Returns a response of the maximum voltage-1: 1000 V (1.000E+3 V) for the above
command.
[Response]
[STX]DGB011.000E+3 ᮀᮀ [ETX][CR]
●
Parameter: D (Reads maximum current-1), Parameter: E (Reads maximum
current-2. Old style), Parameter: S (Reads maximum current-2), Parameter: T
(Reads maximum current-3)
• Function
Reads the maximum current-1.
Reads the maximum current-1 by parameter: D, the maximum current-2 by parameters: E
and S, and the maximum current-3 by parameter: T.
• Command/response
Number
of bytes
1 2 1 2 2 1 1
Command
element
STX DG D
(E)
(S)
(T)
Station
number
(ADR)
Checksum ETX CR
There is no command data for data reading.
1 2 1 2 8
Response
element
STX DG D
(E)
(S)
(T)
Station
number
(ADR)
ٗ . ٗٗٗ E ϩ᭺
2 1 1
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 the maximum current-1 of PR300 with station number 01.
ᮀᮀ
indicates the
checksum value.
[Command]
[STTX] DGD01 ᮀᮀ [ETX][CR]
Returns a response of the maximum current-1: 1000 A (1.000E+3 A) for the above
command.
[Response]
[STX]DGD011.000E+3 ᮀᮀ [ETX][CR]