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Area Scan Machine Vision USB 3.0 Camera User Manual
51
Logic 1
Output Level
Logic 0
Output Level
Internal
Logic
TDR
TDF
TF
TR
Figure 3-51
Output Logic Level
Opto-isolated output electric feature can be shown in Table 3-5 (The external voltage
is 3.3 V and the external resistance is 1 K.)
Table 3-5
Output Electric Feature
Parameter
Symbol
Value
Output Logic Low Level
VL
575mV
Output Logic High Level
VH
3.3V
Output Rising Time
TR
8.4us
Output Falling Time
TF
1.9us
Output Rising Delay
TDR
16.6us
Output Falling Delay
TDF
3.6us
Table 3-6 shows the corresponding current and the parameter of output logic low level
when the opto-isolated outputs the different external voltage and resistance.
Table 3-6
The Parameter of Output Logic Low Level
External Voltage
External Resistor
VL
Output Current
3.3V
1KΩ
575mV
2.7mA
5V
1KΩ
840mV
4.1mA
12V
2.4KΩ
915mV
4.6mA
24V
4.7KΩ
975mV
4.9mA