Yokogawa PR300 Power and Energy Meter - Manual (Page 61)

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<Toc> <Ind> <3. Procedures for Setting PR300 Functions>
IM 77C01E01-10E
3.8.4 Confirmation and Release of Demand Alarm State
[Procedure]
(1) To execute confirmation and release of demand alarm state, write data to the D
register in the table below. The data type is integer.
D Register
D0312
Reference No.
40312
H No.
0137
Description
Confirmation and release
of demand alarm state
Effective Range
0: Normal state
1: Alarm state
Writing “0” during alarm state
clears the alarm
[Example]
To execute confirmation of demand alarm state:
For station number 01, use PC link communication (without checksum) and the word-basis
read (write) command as shown below:
<For read>
[Command]
[STX]01010WRDD0312,01[ETX][CR]
[Response]
[STX]0101OK0001[ETX][CR]
<For write>
[Command]
[STX]01010WWRD0312,01,0000[ETX][CR]
[Response]
[STX]0101OK[ETX][CR]
NOTE
Confirmation and release of demand alarm state can be set for the PR300 with demand
measuring function.