USER'S MANUAL, VERSION 2.0
Copyright © Convergence Systems Limited 2021, All Rights Reserved
113
Example 1: (GPI with +5V
External
Power Supply)
Each GPI pin pair “looks” into an optical isolator with an operational forward voltage of
1.2 Volt, maximum 50 mA current. An internal series 1K Ohm 1.5 Watt resistor is also
present for protection.
1K
I = 5 mA @ Push button on
Inside CS463
GPI_1 become Low when the
Sensor or Push button switch
is turned on (pushed)
GPI_1
(+)
(Pin-2)
GPI_1
(-)
Pin-12)
I = 1.9 mA @ Push button off
5V External
Power
Supply
+5V
Sensor or Push
button switch