6.14
SEL-587Z Instruction Manual
Date Code 20020903
Serial Port Communications
SEL Binary Protocols, Fast Meter, and Fast Operate
In response to the A5D1 request, the relay sends the following block:
In response to the A5C2 or A5C3 request, the relay sends the following Fast
Meter configuration block:
Table 6.8
A5D1 Fast Meter Data Block
Data
Description
A5D1
Command
54
Message length
1 byte
Status Byte
4 bytes
Phase current scale factor (4-byte IEEE FPS)
4 bytes
Neutral current scale factor (4-byte IEEE FPS)
48 bytes
The first and third half-cycles of two cycles of data
saved by the relay. The data are presented in quarter-cycle
sets of integer data in the following order: IA, IB, IC, 87A, 87B, 87C.
8 bytes
Time stamp
15 bytes
Relay Word bits (TAR0–TAR13)
xx
1-byte checksum of all preceding bytes
Table 6.9
A5C2/A5C3 Demand/Peak
Demand Fast Meter Configuration Messages
(Sheet 1 of 2)
Data
Description
A5C2 or A5C3
Demand (A5C2) or Peak Demand (A5C3) command
44
Length
01
# of status flag bytes
00
Scale factors in meter message
00
# of scale factors
05
# of analog input channels
01
# of samples per channel
00
# of digital banks
00
# of calculation blocks
0004
Analog channel offset
002C
Time stamp offset
FFFF
Digital offset
494100000000
Analog channel name (IA)
02
Analog channel type
FF
Scale factor type
0000
Scale factor offset in Fast Meter message
494200000000
Analog channel name (IB)
02
Analog channel type
FF
Scale factor type
0000
Scale factor offset in Fast Meter message
494300000000
Analog channel name (IC)
02
Analog channel type
FF
Scale factor type
0000
Scale factor offset in Fast Meter message
Содержание SEL-587Z
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