Basler Camera Manual do Utilizador Página 51

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AW00098504000 Physical Interface
Basler ace Camera Link 41
5.7.4 Operation as an Output
This section describes the electrical operation of the GPIO line when the line has been set to
operate as an output.
5.7.4.1 Voltage Requirements
The following voltage requirements apply to the camera’s GPIO line when it is set to operate as an
output:
5.7.4.2 Electrical Characteristics
As shown in Figure 13, when the GPIO line is set to operate as an output, the line is opto-isolated.
See the previous section for the recommended operating voltages. The maximum current allowed
through the output circuit is 50 mA.
If the GPIO line is not set to invert:
A low output signal from the camera results in a non-conducting Q1 transistor in the output
circuit.
A high output signal from the camera results in a conducting Q1 transistor in the output circuit.
If the GPIO line is set to invert:
A low output signal from the camera results in a conducting Q1 transistor in the output circuit.
A high output signal from the camera results in a non-conducting Q1 transistor in the output
circuit.
Voltage Significance
< +3.3 VDC The output may operate erratically.
+3.3 to +24 VDC Recommended operating voltage.
Table 6: Voltage Requirements with the GPIO Set as an Output
When the GPIO is set to operate as an output, you should use a standard power
and I/O cable, not a PLC power and I/O cable (see Section 5.4 on page 30).
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