Installation and Startup
Rev 3 Dec.16
39
Note: The same method is used to sample the input voltage and the internal board
temperature for Events Reporting. The significant changes are 300 m V for the input
voltage and 1 degree Celsius for the board temperature.
Low Side Current Sink Output
You can use Pin 4 as a low side current sink, for example, to drive a relay.
Figure 3-14: Low Side Current Sink
Digital Output / Open Drain
You can use Pin 4 as an open drain to drive an external digital input
RV50
Series gateway
Off
Pin 4
External Solenoid/
Relay circuit
Vin
Protection
circuitry
V
in
I
Sink
= 500 mA (Typical)
*
* See
on page 39 for more details.
Internal Pull-up
Resistor
Table 3-8: Low Side Current Sink
Pull-up
State
Minimum
Typical
Maximum
Units
Comments
Off
On
250
500
1000
mA
I_Typical = 25°C
I_Min = 70°C
I_Max = -40°C
Off
Off
—
0
—
mA
Vin = 12
Содержание AirLink RV50 Series
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