Camera interfaces
GUPPY Getting Started
V4.0.1
100
Input
The inputs can be connected directly to +5 V. If a higher voltage is used, an
external resistor must be placed in series. Use at +12 V a 18 k
Ω
resistor and
at +24 V a 47 k
Ω
resistor.
Absolute maximum
ratings
Recommended
operating conditions
Description
Input voltage
-0.5 V ... +7.0 V
0 V ... + 5.5 V
5 V CMOS
Input rise and fall time
Schmitt trigger
implemented
Input clamping voltage 24 V
Input pulse width
(min.)
> 1µs
Digital input filter
Table 30: Input characteristics
Warning
a
Voltages higher than 24 V DC may damage the camera.
Figure 44: Input block diagram