Measured Propagation Delays - Basler acA2040-55 User Manual

Physical Interface

5.10.3 Measured Propagation Delays

The measured propagation delays reported in this section (see
be near-minimum values related to "slow" edges.
The measured propagation delays were derived from a camera production lot of 2000 cameras and
are only valid for the specific camera operating conditions listed below. The specific camera
operating conditions were only chosen as an example. No inferences can be made for
propagation delays in different operating conditions.
Specific operating conditions:
Housing temperature: +25 °C.

Load resistance: R

I/O supply voltage: U

Opto-isolated input
Direct-coupled GPIO IN
Table 26: Propagation Delays for the Camera Inputs (+25 °C, R
Opto-isolated output
Direct-coupled GPIO OUT
Table 27: Propagation Delays for the Camera Outputs (+25 °C, R
Transition Threshold = 2.0 V)
For the graphical illustration of propagation delays, see
90
= 170 Ω
L
= 5 VDC
S
Propagation Delays for Inputs
Fast Edge
4.5 - 7.5 µs (rising edge)
<0.5 µs (falling edge)
Propagation Delays for Outputs
Fast Edge
3 - 6 µs (falling edge)
<0.5 µs (falling edge)
Table 26 and Table
Slow Edge
19 - 28 µs (falling edge)
<1 µs (rising edge)
= 170 Ω, U
= 5 VDC)
L S
Slow Edge
27 - 38 µs (rising edge)
<2.5 µs (rising edge)
= 170 Ω, U
= 5 VDC,
L S
Figure 46 and Figure
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27) are likely to
47.
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