Physical Interface AW00123402000
52 Basler ace USB 3.0
5.8 Opto-isolated Output (Pin 4/Line 2)
The camera is equipped with one dedicated opto-isolated output line designated as Line 2. The
output line is accessed via the 6-pin connector on the back of the camera (pin 4, see Figure 30).
In addition, the camera has two direct-coupled GPIO lines, Line 3 and Line 4, that can both be used
as output lines. They are described in Section 5.9 on page 54.
5.8.1 Electrical Characteristics
The following voltage requirements and information apply to the opto-isolated I/O output line (pin 4
of the 6-pin connector; Line 2).
The residual voltage in the "on" state will typically be in the range of 0.6 VDC to 1.5 VDC, at a
housing temperature of 25 °C. The actual residual voltage, however, depends on camera operating
temperature, load current (where lower load currents yield lower residual voltages), and production
spread.
The maximum current allowed through the output circuit is 50 mA.
The opto-isolated output line has the advantage of being distinctly more robust
against EMI than a GPIO line used as an output. However, when using the opto-
isolated output line, the delays involved are longer than for a GPIO line.
NOTICE
Voltage outside of the specified range can cause damage.
The recommended I/O supply voltage range for the opto-isolated output line differs from the
recommended voltage range for the opto-isolated input line (see Section 5.7.1 on page 50).
The recommended I/O supply voltage range for the I/O input lines of Basler ace USB 3.0
cameras can differ from the recommended voltage ranges for the I/O input lines of other
Basler cameras.
You must supply power within the specified voltage range.
Voltage Significance
+30.0 VDC Absolute maximum; the camera can be damaged if the absolute maximum is exceeded.
+3.3 to +24 VDC Recommended I/O output supply voltage range.
< +3.3 VDC The I/O output can operate erratically.
Table 9: Voltage Requirements and Information for the Opto-isolated Output Line
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