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5.2.2 Backup Power and Data Retention
6. Specifications
6.1 Power
The CompactFlash (CF) cards do not require power to retain data.
Typically, a CF card can be erased and rewritten a minimum of 100,000 times.
Industrial CF cards, graded for 2,000,000 write cycles, are recommended for
most applications.
Storage Capacity:
Dimensions:
Weight:
Operating Temp. Range:
Typical Access Speed:
Memory Configuration:
The CFM100 receives 12 V power from the datalogger through the peripheral
port. The following currents are for the CR1000 with the CFM100 attached
and can vary with the card.
Writing to card with
RS-232 port active:
Reading from card with
RS-232 port active:
Writing to card with
RS-232port not active:
Reading from card with
RS-232 port not active:
Low Power Standby State:
Red or green LED
continuously on:
Orange LED
continuously on:
CFM100 CompactFlash
Depends on card size (up to 2 GB supported)
10.0 x 8.3 x 6.5 cm (4.0 in x 3.3 in x 2.6 in)
132.5 g
-35° to +65°C (-55° to +85°C optional)
-1
200 to 400 kbits s
User selectable for either ring style (default) or
fill and stop.
30 mA (avg.)
20 mA (avg.)
20 mA (avg.)
15 mA (avg.)
700 to 800 μA
Add 1 mA to current drain
Add 2 mA to current drain
®
Module
5
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