70
5 Data Formats
Format Code
Value
Description
Notes
Timestamp
F1
Local time in a UNIX-style format. Represents the number
of seconds since midnight (00:00:00), January 1, 1970.
The time is valid after January 1, 2000.
File ID
0 Event
log
1
Data log #1
16
Data log #16
F2
128
Real time waveform
File Attributes
Bit 0 = 0
Non-wrap file (stop when full)
Bit 0 = 1
Wrap-around (circular) file
Bit 1 = 1
Fixed (non-changeable) file attributes
Bits 4:6 =
Multi-section data log file attributes:
0
Regular file
F3
2
TOU daily profile log
Multi-section file
File Status Word
(bitmap)
Bit 0 = 1
The last record of the file is being read
Bit 8 = 1
File is empty
Bit 9 = 1
Reading after EOF
Bit 10 = 1
Corrupted record (CRC error)
Bit 11 = 1
No file section found for the requested channel
Bit 12 = 1
Reading after the end of a data block
Bit 13 = 1
File is not accessible
Bit 14 = 1
Record not found
F4
Bit 15 = 1
Generic read error (with one of the bits 8-14)
File Record Status Word
(bitmap)
Bit 0 = 1
The last record of the file is being read
Bit 8 = 1
File is empty
Bit 9 = 1
Reading after EOF
Bit 10 = 1
Corrupted record (CRC error)
Bit 11 = 1
No file section found for the requested channel
Bit 12 = 1
Reading after the end of a data block
Bit 13 = 1
File is not accessible
Bit 14 = 1
Record not found
F5
Bit 15 = 1
Generic read error (with one of the bits 8-14)
TOU Profile Log Channel ID
0-3 Summary/TOU
energy/usage registers #1-#4
F6
16-19
Summary/TOU maximum demand registers #1-#4
Waveform Log Channel ID
0 V1/V12
3
1 V2/V23
3
2 V3/V31
3
4 I1
5 I2
F7
6 I3
Profile Log Sections Mask
Bit 0:3 = 1
Summary/TOU energy/usage registers #1-#4
F8
Bit 16:19 = 1
Summary/TOU maximum demand registers #1-#4
Waveform Channel Mask
Bit 0 = 1
Channel V1/V12
3
Bit 1 = 1
Channel V2/V23
3
Bit 2 = 1
Channel V3/V31
3
Bit 3 = 1
N/A
Bit 4 = 1
Channel I1
Bit 5 = 1
Channel I2
F9
Bit 6 = 1
Channel I3
TOU Tariff Change Time
Bits 8:15 = 0-7
Tariff number #1-#8
Bits 2:7 = 0-23
Tariff start hour
F10
Bits 0:1 = 0-3
Tariff start quarter of an hour
Summary/TOU Energy Register Source ID
F11 0x0000
None
Provided
by
Northeast
Power
Systems,
Inc.
www.nepsi.com