Product category:
Proximity Sensors
News Release from: Contrinex UK | Subject: Contrinex right angle sensors
Edited by the Engineeringtalk Editorial
Team on 13 July 2007
Sensors improve conveyor control
Contrinex right angle sensors are designed to be flush mounted on to the conveyor side looking across the belt or rollers, resulting in a slim profile that is unlikely to be struck and damaged.
Contrinex has developed a range of high-performance, M18 photoelectric sensors with an integral right angle prism that has been designed to improve the reliability of conveyor control Conveyors are an essential transfer element in many manufacturing processes and control is normally achieved using M18 barrel sensors with axial detection
This article was originally published on Engineeringtalk on 11 Feb 2003 at 8.00am (UK)
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This means that the sensors have to be bracket-mounted on the sides of the conveyor with the sensor body, plug and cable assembly protruding out from the conveyor.
This arrangement makes the sensors prone to accidental collision damage, thus compromising conveyor reliability and often resulting in expensive line failures.
Other methods used such as fitting sensors in the vertical plane using a right angle mirror are highly susceptible to misalignment, damage and dirt build-up that also results in poor reliability.
By contrast, the Contrinex right angle sensors are designed to be flush mounted on to the conveyor side looking across the belt or rollers, resulting in a slim profile and secure mounting that is unlikely to be struck and damaged.
Because the prism is an integral part of the sensor, performance is not compromised as it is when mirror accessories are used.
The Contrinex right angled sensors produce high intensity, pulsed, visible red (660nm) light that provides high immunity from interference from other bright light sources and include diagnostics that aid set-up and monitor sensing stability during operation.
Some models include a fourth wire output that alerts the control system if there is dirt build-up during operation so that any deposits can be removed from the easy to clean lens before object detection becomes critical.
Each sensor is constructed in a rugged, M18 metal housing, has very high shock resistance and is sealed to IP67.
All the main sensor formats namely: diffuse, background suppression, retro-reflective and through-beam are available in right angled configuration.
These sensors have a wide operating voltage range of 10 to 30V DC and can switch an output current of 200mA.
In addition, the sensing range is stable from -25C to +55C and they are short-circuit and inverse polarity proof and overload protected.
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