Prontonet User’s Manual v410 16
II.3.4.2. Outputs
The outputs are “open collector”. They allow an output of 5VDC on one pin to
facilitate interconnection with the outputs. Each output supports up to a
maximum of 40VDC / 40 mA and will require a pull-up resistor to function with
other logic inputs. An appropriate value is 2.2 Kohms.
ProntoNet with serial numbers before than 8938/00250 are provided with the
following GPIO port
The GPIO port contains 4 opto-isolated inputs and outputs:
12345
15
9 678
1617181920
10111213
25 24 23 22 21 14
NC
NC
NC
NC
OUT1
OUT3
OUT5
OUT7
NC
OUT2
OUT4
OUT6
GND
VCC
NC
IN2
IN4
IN6
NC
NC
IN1
GND
IN3
IN5
IN7
Pin 1 is connected to +5VDC via a polyswitch resetable fuse and can be used
to provide power to an external circuit. The maximum current must not
exceed 300 mA.
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