Sensors & Transducers


Light curtain for industrial door safety applications

June 2016 Sensors & Transducers

Telco Sensors’ infrared Spaceguard series devices consist of a multi-beam transmitter and receiver unit, which are mounted opposite each other at the entrance of the door, whereby the infrared light from the transmitter shines on the receiver.

If an infrared light beam is interrupted, the automatic doors will instantly reopen – without touching the passengers or materials. The advanced automatic signal-tracking (AST) feature ensures that no onsite setup or adjustments are required. The signal level of each individual channel is adjusted automatically compensating for misalignment and contamination during operation. Transmitter and receiver detectors are optically synchronised.

The waterproof design of the light curtain model SG15, sensing 12 m, together with its high light immunity of 100 klux, makes it suitable for all door application types, including outdoor installations where the light curtain system may be exposed to weather contamination, direct sunlight and washdowns. The SG 15 series feature the dynamic sequential blanking function, which enables the detectors to be positioned in the guide tracks of an industrial door, where the door travels directly in front of the protection area, interrupting the beams sequentially from top to bottom. The feature ensures that the system distinguishes between the closing door and an object or person by ignoring the beams that are obstructed by the moving door, whilst leaving below the remaining beams active to detect an object in the protection area. The compact dimensions of the light curtain profile makes it an ideal fit for most door profiles/tracks including sectional roller doors, high-speed flexible doors, cold room doors and residential doors.

The multi-beam devices are available either as a self-contained system, consisting of only a transmitter and receiver unit for direct connection to the door operator or lift controller; or as a remote system whereby the transmitter and receiver units are powered and monitored by a separate amplifier.

For more information contact Gail Norton Instrumentation Agencies, +27 (0) 031 701 4861, telco@telcosa.co.za, www.gailnortoninstrumentation.co.za



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Smart alternative for float switches
ifm - South Africa Sensors & Transducers
With the LI level sensor, you can reliably detect leakages and point levels on a permanent basis. The capacitive measuring system has no moving parts. Malfunction or maintenance issues due to deposits on the mechanical parts are therefore eliminated.

Read more...
Telco sensors in the pulp and paper industry
Gail Norton Instrumentation Sensors & Transducers
The pulp and paper industry poses a major problem for most photoelectric sensors. The high level of contamination in these dusty, dirty and grimy environments makes it impossible for most competing sensors to operate and sense reliably and efficiently.

Read more...
Precision acoustic imagers
Comtest Sensors & Transducers
To help users identify and localise ‘mechanical areas of interest’ within short timeframes, Comtest has added a unique new feature to Fluke’s ii910 precision acoustic imagers.

Read more...
Efficiency and precision with IO-Link sensors
RS South Africa Sensors & Transducers
RS South Africa has its own brand known as RS PRO, which offers a choice of over 88 000 products across all industries and technologies. The guaranteed quality and breadth of this range make RS PRO the smart choice for your business.

Read more...
Smart alternative for float switches
ifm - South Africa Sensors & Transducers
With the LI level sensor, you can reliably detect leakages and point levels on a permanent basis. The capacitive measuring system has no moving parts. Malfunction or maintenance issues due to deposits on the mechanical parts are therefore eliminated.

Read more...
Optical fork sensor series
Gail Norton Instrumentation Sensors & Transducers
The OFS series consists of self-contained optical fork sensors that are housed in a durable, U-shaped aluminum housing, which operates in through-beam mode.

Read more...
In-line process transmitter to optimise sterile processes
WIKA Instruments Sensors & Transducers
The new model DMSU22SA in-line process transmitter from WIKA helps to optimise sterile processes in the pharmaceutical and food industries, with less energy consumption, less cleaning effort ,and more safety.

Read more...
Automated clean-in-place
Endress+Hauser South Africa Sensors & Transducers
A clean-in-place (CIP) process is integral to a food and beverage producer’s responsibility to deliver safe, high-quality products to consumers. However, as industries worldwide shift focus towards sustainability, CIP procedures face new challenges.

Read more...
Signal conditioning is the protective armour between plant and field
Omniflex Remote Monitoring Specialists Sensors & Transducers
Measurement and control of physical properties are the foundation of all critical industrial technologies. Ian Loudon, international sales and marketing manager at remote monitoring specialist, Omniflex explains the challenges of industrial signal conditioning and the importance of safety engineering.

Read more...
Precise detection of complex rotational movements
Beckhoff Automation Sensors & Transducers
The EP3751-0260 EtherCAT Box module by Beckhoff connects an acceleration sensor with an inertial measurement unit - a gyroscope. This provides accurate detection of acceleration and rotational motion in addition to shock, vibration and tilt measurement, both as preprocessed values and as raw sensor data.

Read more...