SL900A datasheet(42/90 Pages) AMSCO

42 / 90 page

SL900A – 42

ams Datasheet: 2014-May-06 [v1-01]

Lo g g i n g F o r m a t s

In case external sensors are used for logging, the chip will use

the following storage format:

Figure 25:

Dense Form with External Sensors

In the dense logging form, no time information is stored in the

measurement area of the EEPROM in order to maximize the

number of stored sensor values. The real time of a particular

measurement can be calculated by using the Start time and Log

interval.

Out-of-Limits Logging Form

This logging form uses the limits that are set by the user. The

limits can be set with the SET LOG LIMITS command. The storage

data format is the same for the “All values out-of-limits” form

and the “Limits crossing” form.

Figure 26:

Limits Mode with Internal Sensor Only

Figure 27:

Limits Mode with External Sensors

Bits

Block #

9876

5432

0x00

Range 5 bits

External sensor 1 - 10 bits

0x01

Range 5 bits

External sensor 2 - 10 bits

0x02

Bat. meas. 6 bits

Temperature meas. - 10 bits

Bits

Block #

9876

5432

0x00

Battery voltage

Temperature

0x01

Measurement #

Bits

Block #

9876

5432

0x00

Range 5 bits

External sensor 1 - 10 bits

0x01

Range 5 bits

External sensor 2 - 10 bits

0x02

Bat. meas. 6 bits

Temperature meas. - 10 bits

0x03

Measurement #

SL900A Datasheet(PDF) 42 Page - ams AG

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