Input Lines (Electrical Specification) - Smartek UCC User Manual

3.3.2 Input Lines (Electrical Specification)
The cameras are equipped with a physical input line, designated as opto-isolated in . It is opto-isolated and
can be accessed via the power and I/O interface receptacle on the back of the device. Table 14 shows the
operational limits of the input line, while Figure 22 shows its electrical scheme.
Recommended operating voltage
Voltage level representing logical 0
Region where the transition threshold occurs; the logical state
is not defined in this region
Voltage level representing logical 1
Absolute maximum; the camera may be damaged when the
absolute maximum is exceeded
The current draw for each input line
Table 14: Electrical specification for trigger input (operational limits)
TRI
Exceeding the limits shown in Table 14 or reneging the wiring polarity shown in
Caution
Figure 22 can seriously damage the device!
Description
Camera
BF545C
TLP2366
Figure 22: Trigger input scheme
Opto-isolated In
10R
10nF
180R
GND for opto-isolated I/O
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User Manual - twentynine
Limits
+0 to +24 VDC
+0 to +1.4 VDC
> +1.4 to +2.2 VDC
> +2.2 VDC
+30.0 VDC
5 to 15 mA
External GND
SMARTEK Vision | User Manual - twentynine | Doc. v1.0.2