Yokogawa PR300 Power and Energy Meter - Manual (Page 34)

<Toc> <Ind> <3. Procedures for Setting PR300 Functions>
3-11
IM 77C01E01-10E
3.4.2 Demand Period
[Procedure]
(1) Write a demand period value to the D register in the table below. The data type is
integer.
(2) After writing that value, write 1 to the demand measurement writing status register,
D0226.
D Register
D0219
D0226
Reference No.
40219
40226
H No.
00DA
00E1
Description
Demand period
Demand measurement writing
status (D0218 to D0225 are
validated)
Effective Range
1 to 60
(Demand alarm mask time to 60)
Unit: minute
If other than 1: Invalid
If 1: Writing is executed
Initial value of demand period: 30 minutes
[Example]
To set the demand period to 20 minutes:
For station number 01, use PC link communication (without checksum) and the random
write command as shown below:
[Command]
[STX] 01010WRW02D0219, 0014, D0226, 0001 [ETX] [CR]
[Response]
[STX] 0101OK [ETX] [CR]
NOTE
A demand period value can be set for the PR300 with demand measuring function.