XIMEA xiC - Page 61

xiC - Technical Manual Version 1.16
61
3.10.4.4.3. Connecting Digital OUTPUT to a PNP-compatible device
Output state
Output switch state
Input state
ON
Sinking current
Not energized
OFF
Relaxing
Pull up (energized)
figure 3-52, Connecting Digital OUTPUT to a PNP-compatible device
Pull up resistor can be calculated as follows:
psu input
input
VV
R
I


Where:
psu
V
power supply voltage. Must be higher than required input amplitude
input
V
required input amplitude
input
I
input driving current (corresponding to input amplitude)
Remember to use the appropriate resistor power rating
( ) ( )*
psu input input
P R V V I
GND (Common IO Ground)
DIGITAL OUTPUT
Common
PLC Device
Input
Camera
Power Supply
External pull up