2 demand period, Demand period -11 – Yokogawa PR300 Power and Energy Meter User Manual

Page 34

<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.