Demand Alarm Mask Time - YOKOGAWA PR300 User Manual
Power and energy meter communication interface (rs-485 and ethernet communications)
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Also See for PR300:
- User manual (76 pages) ,
- Startup manual (2 pages) ,
- Initial setup (2 pages)
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3.4.3
Demand Alarm Mask Time
[Procedure]
(1) Write a demand alarm mask time 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
D0220
D0226
Initial value of demand alarm mask time: 1 minute
[Example]
To set the demand alarm mask time to 20 minutes:
For station number 01, use PC link communication (without checksum) and the random
write command as shown below:
[Command]
[STX]01010WRW02D0220,0014,D0226,0001[ETX][CR]
[Response]
[STX]0101OK[ETX][CR]
NOTE
A demand alarm mask time value can be set for the PR300 with demand measuring
function.
<3. Procedures for Setting PR300 Functions>
Reference No.
H No.
40220
00DB
40226
00E1
Description
Demand alarm mask time
Demand measurement writing
status (D0218 to D0225 are
validated)
Effective Range
1 to 59
(1 to demand period)
Unit: minute
If other than 1: Invalid
If 1: Writing is executed
IM 77C01E01-10E
3-12
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