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24
Curtis 1030 Acuity Manual,
Rev. C
8 — DEVICE MONITOR OBJECTS
The Acuity can store up to 64,000 historical records. Each record in 64
bytes long. Record data is retrieved 4 bytes at a time. Allocation of parameter
bytes within each historical record is as follows.
SUB-INDEX BYTE
DESCRIPTION
00h
byte 0 Runtime counter LSB (seconds).
00h
byte 1 Runtime counter LSB.
00h
byte 2 Runtime counter Byte 3.
00h
byte 3 Runtime counter MSB.
01h
byte 4 Historical Ah discharge LSB.
01h
byte 5 Historical Ah discharge Byte 2.
01h
byte 6 Historical Ah discharge MSB.
01h
byte 7 Historical Ah charge LSB.
02h
byte 8 Historical Ah charge Byte 2.
02h
byte 9 Historical Ah charge MSB.
02h
byte 10 Highest battery voltage measured during this interval (LSB).
02h
byte 11 Highest battery voltage measured during this interval (MSB).
03h
byte 12 Lowest battery voltage measured during this interval (LSB).
03h
byte 13 Lowest battery voltage measured during this interval (MSB).
03h
byte 14 Current measured at highest voltage (signed byte, units of 10 A).
03h
byte 15 Current measured at lowest voltage (signed byte, units of 10 A).
04h
byte 16 Highest temperature measured (signed byte, -40°C to 85°C).
04h
byte 17 Lowest temperature measured (signed byte, -40°C to 85°C).
04h
byte 18 Highest SoC during this interval.
04h
byte 19 Lowest SoC during this interval.
06h
byte 24 Estimated remaining Ampere Hours at the 6 hour rate.
06h
byte 25 Flags_1.
See explanation in chart below.
06h
byte 26 Highest 1 second Avg Battery Voltage (LSB).
06h
byte 27 Highest 1 second Avg Battery Voltage (MSB).
07h
byte 28 Lowest 1 second Avg Battery Voltage (LSB).
07h
byte 29 Lowest 1 second Avg Battery Voltage (MSB).
07h
byte 30 1 second Avg Current measured at highest Avg Voltage.
07h
byte 31 1 second Avg Current measured at lowest Avg Voltage.
08h
byte 32 Activity_TimerD (LSB).
08h
byte 33 Activity_TimerD.