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BWML Series Line Beam Mapping Sensors

The BWML series line beam mapping sensors minimize non-detection areas with line beam detection. The sensors allow easy installation as the optical axis does not need to be located exactly where the glass substrate is located. The sensors support CC-Link and EtherCAT communication protocols. The sensors provide the increased convenience with diffuse reflective type.

area sensor line beam mapping sensor reflective display industry glass detection CC-Link EtherCAT detection channels optical axis pitch

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Glass Substrate Transport Process

Mapping sensors are used to detect presence or position of glass substrates in LCD, OLED cassettes during display transport process.

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Stable glass substrate detection using line beam detection with minimal non-detection area
Sensing distance: 95 ±10 mm
Customized models available: sensing channels (4 to 62 channels), sensing target pitch (min. 20 mm), sensing area (280 to 1,775 mm)
Communication output: CC-Link (ver 1.1, 2.0), EtherCAT
Easy installation with installation instruction mode and background sensing mode
Channel interference alarm, 5-stage sensing level setting, emitter/receiver error alarm
Bright status indicators

Line Beam
CC-Link, EtherCAT Communication
Various Sensing Channels
Bright Status Indicator

Customized Models Available

Users can order customized models with different sensing channels and sensing target pitch size depending on user requirements.

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Line Beam Sensing Method for Stable Glass Substrate Detection

The diffuse reflective line beam method with location image mapping minimizes non-detection area and influence from harsh external conditions. This sensing method allows stable detection of ultra-thin glass substrates.

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Background Sensing Mode, Installation Instruction Mode and Auto Teaching Function

The installation instruction mode allows users to check if the detection target object is in proper position using the output indicators. The auto teaching function allows all sensing channels to be set in uniform light amount for optimal sensitivity setting.

Background Sensing Mode

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※ Background Sensing : Red LED Indicator / Undetected : Green LED Indicator
Installation Instruction Mode

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Auto Teaching

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※ When teaching error occurs, ‘E’ will be displayed in FND and restore to installation instruction mode after alternative LED blinks

Sensing Level Setting to Minimize Influence from Bent Glass or Scattered Reflections

The sensing level setting allows optimal sensing with minimal influence from bent glass or scattered reflections. The sensing level can be set between 1 to 5 sensitivity levels for stable detection in various environment settings. If the mapping sensor or cassettes are bent, sensitivity adjustments can be made without removing the glass substrates.

CC-Link, EtherCAT Communication Protocol Support

The units offer support for CC-Link or EtherCAT communication support and also offer options for connector type connection or terminal type connection.

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Expanded User Convenience

Various functions and settings available for user convenience on installation or operation.

Expanded User Convenience
Function	Description
Status Indicator	Status Indicator Reversal
CH Ordering Orientation	Forward (bottom = 1 CH) or Backward (top = 1 CH)
Operation Mode	Light ON or Dark ON
Error Output	Error Output Setting

Channel Interference and External Light Alarm Function

When a sensing channel is interfered by another glass substrate or the receiver receives external light besides the light from the emitter, the status indicator and the channel indicator will blink respectively. This will start the alarm output allowing stable and error-free operation.

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Check Operation Status with Bright Indicators

The bright indicators allow users to easily check operation and communication status even from long distances.

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Customized Models Available

Line Beam Sensing Method for Stable Glass Substrate Detection

Background Sensing Mode, Installation Instruction Mode and Auto Teaching Function

Sensing Level Setting to Minimize Influence from Bent Glass or Scattered Reflections

CC-Link, EtherCAT Communication Protocol Support

Expanded User Convenience

Channel Interference and External Light Alarm Function

Check Operation Status with Bright Indicators

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