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Omron FQ-CR2 User Manual

Omron FQ-CR2
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Preventing Mutual Interference of Multiple Sensors
FQ-CR2 User’s Manual
43
3
Taking Images
3-4 Preventing Mutual Interference of Multiple Sensors
When the same trigger signal is input to multiple Sensors, the lighting from one Sensor may affect the
measurements of the other Sensors. This is called mutual interference. This kind of interference can be
prevented offsetting the image input timing of each Sensor from when the trigger signal is received.
Example:
A trigger (i.e., the TRIG signal) is input to Sensor 0 and Sensor 1 at the same time.
The delay time for preventing mutual interference must be longer than the shutter time.
When the lighting built into the Sensor is used, the shutter time is 4 ms max. Therefore make the delay at
least 4 ms.
Sensor 0 immediately begins image input when the trigger is input.
Sensor 1 begins image input after the specified time has passed.
1 Change to the setup for to Sensor 1.
p. 34
2 Press [Image] – [Trigger setup] – [Trigger delay].
3 Set the trigger input delay time for Sensor 1.
p. 41
Sensor 0
Sensor 1
Trigger Sensor
Timing of taking the image
Timing of taking the image
Sensor 0
No trigger delay
Sensor 1
trigger delay
Sensor 1
TRIG signal
Important
FQ Sensor User Manual.book 43 201年月8 金日 後230

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Omron FQ-CR2 Specifications

General IconGeneral
BrandOmron
ModelFQ-CR2
CategoryBarcode Reader
LanguageEnglish

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