20-101-0525 Rabbit Semiconductor, 20-101-0525 Datasheet - Page 40
20-101-0525
Manufacturer Part Number
20-101-0525
Description
COMPUTER SINGLE-BOARD LP3500 FOX
Manufacturer
Rabbit Semiconductor
Specifications of 20-101-0525
Module/board Type
Single Board Computer Module
Product
Modules
Processor Type
Rabbit 3000
Sram
512 KB
Flash
512 KB
Timers
8 bit, 10 bit
Number Of I/os
26
Backup Battery
3 V Lithium Coin Type
Operating Voltage
3 V to 30 V
Board Size
93 mm x 66 mm x 11 mm
Description/function
Computer Module
For Use With/related Products
LP3500
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1115
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3.8 Relay Output Circuit (LP3500 only)
A bistable relay is stuffed on LP3500 models only at position K1, and the relay contacts
are accessed via screw-terminal header J8. The relay can switch up to 1 A at 30 V DC.
The relay is set via Parallel Port PG4 on the Rabbit 3000, and is reset via Parallel Port PG5
by a 10 ms pulse. The relay resets when the LP3500 resets, and operates only in the nor-
mal power modes.
34
NOTE: The relay does not reset automatically when power is removed from the
NOTE: Switching the relay may consume up to 120 mA during the roughly 10 ms that it
LP3500.
takes for the relay to switch. Make sure that your power supply has sufficient capacity
to handle this surge current to avoid putting the LP3500 into the power-save mode. The
relay does not consume any current while it is in the NO or the NC position and is not
switching.
Figure 18. Relay Output Circuit
W
W
Fox (LP3500)
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