Yokogawa PR300 Power and Energy Meter - Manual (Page 38)

<Toc> <Ind> <3. Procedures for Setting PR300 Functions>
3-15
IM 77C01E01-10E
3.4.6 Demand Alarm Release Function
[Procedure]
(1) Write a demand alarm release function 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
D0225
D0226
Reference No.
40225
40226
H No.
00E0
00E1
Description
Demand alarm release
function
Demand measurement writing
status (D0218 to D0225 are
validated)
Effective Range
0: Automatic release
1: Manual release
If other than 1: Invalid
If 1: Writing is executed
Initial value of demand alarm release function: 0 (automatic release)
[Example]
To set the demand alarm release function to 0 (automatic release):
For station number 01, use PC link communication (without checksum) and the random
write command as shown below:
[Command]
[STX]01010WRW02D0225,0000,D0226,0001[ETX][CR]
[Response]
[STX]0101OK[ETX][CR]
NOTE
• A demand alarm release function value can be set for the PR300 with demand mea-
suring function.
• When the demand alarm release function is used by digital input, releasing via com-
munication is not possible.