I/O Specifications; Image Acquisition Trigger Input - Mitsubishi Electric MELSENSOR Vision Sensor VS20 Series User Manual

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3.3

I/O Specifications

This section shows the connection example of the image acquisition trigger input and high-speed outputs, and specifications
for cables and connectors.
For details of breakout cables, refer to the following section.
Page 22 Breakout cable specifications

Image acquisition trigger input

An opto-isolated image acquisition trigger input (×1) is integrated into a vision sensor.
Image acquisition can be started using a sink type device or source type device.
To start the image acquisition with these devices, "Camera" needs to be selected from the pull-down list of "Trigger" under
"Edit Acquisition Settings" in In-Sight Explorer.
Specifications
Description
Voltage
• ON: 15 to 24 VDC (standard: 24 VDC)
• OFF: 0 to 5 VDC (standard 0 VDC)
Current
• 3.6 mA/12 V DC
• 7.5 mA/24 V DC
• Resistance: Max. 5.48 kΩ
Delay
Maximum 1.45 ms delay from when a vision sensor receives a trigger to when an image acquisition starts
Minimum 1ms wide for an input pulse
To trigger from the output of a sink type photodetector or programmable controller, connect 'Trigger' of a breakout cable to the
output of a photoelectric sensor or an output module, and connect 'Input common' to 24 V DC.
When the output is turned ON, 'Trigger' is pulled down to 0 V DC and the opto-coupler of the sensor is turned ON.
To trigger from the output of a source type photodetector or programmable controller, connect 'Trigger' of a breakout cable to
the output of a detector or an output module, and connect 'Input common' to 0 V DC.
When the output is turned ON, 'Trigger' is pulled up to 24 VDC and the opto-coupler of the sensor is turned ON.
Trigger
2.74K
Input common
2.74K
Maximum voltage between input pins: 28 VDC, minimum voltage transition: 12 VDC
3 SPECIFICATIONS
18
3.3 I/O Specifications
+3.3V
1.0K
10K
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