Yokogawa PR300 Power and Energy Meter - Manual (Page 66)

<Toc> <Ind> <4. PC Link Communication Protocol>
4-5
IM 77C01E01-10E
4.1.4 Specifying Broadcast
The corresponding multiple PR300 perform the function to receive and process a com-
mand in which this station number is specified.
(1) Specify “P1” for the station number in the command to execute it.
(2) This command works independently of station numbers of slave stations (01 to 99).
(3) This command is applicable for writing only.
(4) No response is returned from the PR300 when communication is performed using this
command.
PC
RS-485 communication
Maximum communication distance: 1200 m
Maximum number of slave stations to be connected: 31
Broadcast data.
* No response from slave stations
Figure 4.2 Broadcasting
[Example of Starting Optional Integrations]
Use PC link communication (without checksum) and the random write command as shown
below:
[STX]P1010WRW01D0302,0000[ETX][CR]
D Register
D0302
Reference No.
40302
H No.
012D
Description
Optional integration start/stop
(D0011 to D0014)
Effective Range
0: Stop
1: Start