I/O Specifications; Image Acquisition Trigger Input - Mitsubishi Electric Melsensor VS70 User Manual

Vision sensor
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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 25 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
• VIH: 15 to 28 V DC
• VIL: 0 to 5 V DC
Current
• 2.0 mA/12 V DC
• 4.2 mA/24 V DC
Maximum 190 μs delay from when a vision sensor receives a trigger to when an image acquisition starts
Delay
Minimum 1ms wide for an input pulse
To trigger from the output of a sink type photoelectric sensor or programmable controller, connect 'Trigger' of a breakout cable
to the output of the 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 photoelectric sensor or programmable controller, connect 'Trigger' of a breakout
cable to the output of the photoelectric sensor 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
2.74KΩ
1.0KΩ
Input common
2.74KΩ
Maximum voltage between input pins: 26.4 V, minimum voltage transition: approximately 12 V
+3.3V
10KΩ
3 SPECIFICATIONS
19
3.3 I/O Specifications
3

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