GigE Area Scan Camera User Manual
The electrical features of opto-isolated output when the external voltage is 3.3 VDC and
the external resistance is 1 KΩ is shown below.
Table 11-2 Output Electrical Feature
Parameter Name
Parameter Symbol
Value
Output Logic Level Low
VL
575 mV
Output Logic Level High
VH
3.3 VDC
Output Rising Time
TR
8.4 μs
Output Falling Time
TF
1.9 μs
Output Rising Delay
TDR
15 μs to 60 μs
Output Falling Delay
TDF
3 μs to 6 μs
With different external voltage and resistance, the corresponding current and the
parameter of output logic level low are shown below.
Table 11-3 Parameters of Output Logic Level Low
External
Voltage
External Resistance
VL
Output Current
3.3 VDC
1 KΩ
575 mV 2.7 mA
5 VDC
1 KΩ
840 mV 4.1 mA
12 VDC
2.4 KΩ
915 mV 4.6 mA
24 VDC
4.7 KΩ
975 mV 4.9 mA
11.1.3 Electrical Features of Bi-Directional Signal
The device has one bi-directional non-isolated I/O signal (Line 2), and you can set it as
input signal or output signal according to demands. Its internal circuit is as follows.
VCC
GPI
GPO
Line 2
Figure 11-5 Internal Circuit of Bi-Directional Signal
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