Warehouse presence detector
April 2012
Sensors & Transducers
The MWS7 from CP Electronics is a microwave presence detector that provides automatic control of lighting loads, and is especially suited for warehouse applications. When a person or fork lift truck enters the aisle or corridor, the detector turns the lights on, or raises the level of light output. After a predetermined period, the lights are turned off or dimmed down. The detector uses advanced microwave technology that allows the range of detection to be accurately set, irrespective of whether the object is a person or a fork lift truck. A common problem with other types of detectors is that larger objects are picked up at longer distances, making accurate setup impossible. A further benefit of the MWS7 is that it has good immunity to vibration.
Three output channels are provided: a switching channel with a high power relay; a switching channel with a low voltage, low power isolated contact; and a dimming channel capable of controlling up to 20 DSI or DALI ballasts.
The detector has a built-in photocell that measures the overall light level in the detection area. This can be used to turn the lights on and off when natural light is sufficient. It can also be used on dimming systems to calculate the correct output for the luminaires to achieve a preset lux level (maintained illuminance). The dimming channel can set the luminaires to a standby dim level rather than switching off completely.
Input terminals are provided to give the following features: manual override of the dimming levels and switched outputs; slave detector input for use in dimming systems; and an external lux input which disables the output when there is sufficient natural light.
Manual adjustments can be made to the sensitivity, range, lux and time settings using the physical controls inside the sensor. Alternatively, an integral infrared sensor in the unit allows the unit to be programmed using the optional DD-LCDHS-LR programming handset. This works to a range of 15 metres giving complete flexibility over many of the operating parameters.
For more information contact Chris Huxham, Shorrock Automation, +27 (0)12 345 4449, [email protected], www.shorrock.co.za
Further reading:
Protecting buildings’ embodied carbon with retrofitted systems
Schneider Electric South Africa
Sensors & Transducers
The World Economic Forum has said that around 80% of the buildings in existence will still be around in 2050; it is therefore essential that in order to combat climate change we retrofit them for energy efficiency.
Read more...
Listening for damage to wind turbines
Sensors & Transducers
The Fraunhofer Institute for Integrated Circuits, working in concert with the Fraunhofer Institute for Wind Energy Systems, has developed a solution that can be used to identify cracks and breakage inside wind turbine blades remotely at an early stage.
Read more...
Enhancing gold leaching efficiency
Endress+Hauser South Africa
Sensors & Transducers
Endress+Hauser offers a range of advanced technologies designed to enhance the stability and accuracy of pH and dissolved oxygen measurements on gold processing plants.
Read more...
Powering safer mining with PDS
Sensors & Transducers
With the mining industry under increasing pressure to prioritise safety without compromising productivity, Booyco Electronics is pushing the boundaries of Proximity Detection System and Collision Avoidance System technology across both underground and surface operations.
Read more...
The car of the future listens
Sensors & Transducers
The perception of external sounds in cars has been lacking, even in automated driving. That is why Fraunhofer IDMT-HSA is researching the integration of acoustic sensor technology in its KI4BoardNet project with the Hearing Car.
Read more...
Telco Sensors for blocked or empty chute detection
Sensors & Transducers
In most industries there is a problem with photoelectric sensors as highly contaminated environments make it difficult to operate and sense reliably. Telco Sensors overcomes this through its powerful high-performance infrared sensors that ensure penetration of harsh pollution to guarantee reliable detection.
Read more...
High-performance LineScan camera
Sensors & Transducers
Lynred, a global leader in infrared imaging technologies, has launched its next-generation SWIR LineScan camera and sensor, specifically designed for the inspection of silicon wafers, solar panels and waste management.
Read more...
Online monitoring solution optimises asset performance across
SKF South Africa
Sensors & Transducers
SKF’s sales, service and management teams has joined forces to deliver an advanced, integrated online monitoring solution for a key customer in Tunisia, operating nine mines, five plants and eleven production lines.
Read more...
OMRON launches new non-contact
Sensors & Transducers
OMRON has unveiled its latest innovation in non-contact safety door switches, the D40A-2, which is designed to enhance workplace safety and streamline machinery operations.
Read more...
Vibration monitoring in three axes
ifm - South Africa
Sensors & Transducers
Machine vibrations are important indicators when it comes to assessing the current condition of a machine. ifm’s new and smart IO-Link vibration sensor helps to implement a simple and scalable condition monitoring approach using but a single device.
Read more...
printer friendly version