4.32
SEL-734 Meter Instruction Manual Date Code 20090730
Metering
Load Profile Report
Checksum
The Checksum is a two byte binary sum of all the bytes stored in the data field
of the record. The Checksum allows the master to validate the authenticity of
the data stored in a record. The SEL-734 reports this data in the Big-Endian
format with the most significant byte first.
Record Types
The tables below define the data structure and limits of each record type.
Record Type 0064—Meter Configuration
Table 4.18 Meter Configuration Record
Field Data
Structure
Description Min Max Notes
UINT16 Current year
UINT16 Current Julian day
UINT32 Current tenths of millisecond since midnight
UINT8 Time Source 0 = Internal, 1 = External
CHAR[10] Starting daylight saving config string
CHAR[10] Stopping daylight saving config string
UINT16 DST forward time (minutes after midnight) 60 1339 0 = disable
UINT16 DST backward time (minutes after midnight) 60 1339 0 = disable
FLOAT32 CTR 1 6000
FLOAT32 CTRN 1 10000
FLOAT32 PTR 1 10000
CHAR[33] FID (firmware version of the meter)
CHAR[22] MID setting of the meter
CHAR[22] TID setting of the meter
UINT8 Meter Form 0 = Form 9, 1 = Form 5
UINT16 Number of SER records available 0 512
UINT16 First LDP record Year
UINT16 First LDP record Julian day
UINT32 First LDP record tenths of milliseconds since midnight
UINT16 Last LDP record Year
UINT16 Last LDP record Julian day
UINT32 Last LDP record tenths of milliseconds since midnight
UINT32 Number of LDP records available or within date range 0 NA
UINT16 LDAR setting 1 3600 Update rate in seconds
UINT16 Number of LDP channels enabled 1 16
CHAR Channel names varies
a
a
The channel names are in a list, in ASCII, separated with NULL (‘\0’) characters, terminated by 2 NULL (‘\0’) characters in a row.
Courtesy of NationalSwitchgear.com
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