Sierra Wireless FX30 - Low Side Current Sink Output

Sierra Wireless FX30 User Guide
Rev 4 March 2019 28 41110030
Figure 2-22: Analog Input
Note: When using an analog input, the pull-up should be Off.
Low Side Current Sink Output
Low side current sink output, for example to drive a relay, is only available using
I/O 3 on the power connector.
Figure 2-23: Low Side Current Sink
Note: When using low side current sink output, the pull-up should be Off.
The I/O can typically sink 400 mA, but this can vary depending on factors such as
temperature.
Gateway
Off (default)*
3.3V
al Pull-up
10 k
Resistor
FX30
Solar panel or battery
Internal pull-up
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Off (default)
I/O 2 on the power
connector
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+
_
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Table 2-3: Analog Input
Pull-up Minimum Typical Maximum Units
Off Analog Input Range 0 — 10 V
Analog Input
Precision
— < 10 25 mV
Gateway
Off
Vin
Protection
circuitry
V
in
Internal Pull-up
10 k
Resistor
FX30
Internal pull-up
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Off
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VLQ
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Output
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