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Easy to use, saving valuable time for busy engineers since 1992

Andon display systems

We are well known among some of the world's best known prestige brand manufacturers as the 'go to' people for andon display systems which are easy to use, reliable and cost effective.

Stock status andon display system

London Electronics andon systems can range from simple stand-alone beacon stacks to more complex secure cloud-based systems with statistical and forecasting database queries, incorporating large digit numeric displays or text displays, with sounders, email and SMS notifications.

Most of our andon systems are custom-made, and are flexible enough to expand and evolve as your business grows and adapts to ever changing processes.

An andon is literally a beacon - in its simplest form it can be a single LED which can be lit to indicate the state of something in your process.

More often, several andon indicators are combined, and are usually made with clusters of LEDs so that they can be clearly seen from a long distance.





Good morning Gents.

I was a bit rushed yesterday but I wanted to say thanks for your help and to let you know how much I appreciate the support at such short notice.

Many thanks.

SK - Continuous Improvements Engineer, November 2020



Stock Status andon display to show stock status for various production lines.

Andon display with pushbutton station

Andon display with pushbutton station

Special andon formats for your application

New: Ex nR Atex andon production line status displays

ExnR zone 2 atex certified large digital andon production line status displays ExnR zone 2 atex certified large digital and text andon production line status displays



For hazardous areas we can offer the following explosion proof options on most andon production line status displays. Tell us what you need and we will be pleased to quote for Atex certified systems
  • Zone 1 ii 2 G Ex px iiC T6/T5/T4 Gb *
  • Zone 2 ii 3 G Ex nR iiC T6/T5/T4 Gc **
  • EXD Zone 2 on request - POA

* - Requires pressurised air system
** - any product

Ex nR certified large digital displays


The London Electronics ATEX certified andon production line status displays are supplied certified for use in the condition in which they are supplied. No liability will be assumed for any loss or damages of any nature, direct or indirect, including any loss of profits or consequential damages, injury or death suffered or incurred by the buyer as a consequence of failure to install, use and/or apply the product within the scope of the installation document and certification supplied.


We can log andon activity in a web database, so that you can see real-time statistical reports of when, for how long, where and who pushed the button.

This can form part of a powerful downtime-analysis system, which can match your process and give valuable returns on investment very quickly.

andon display system


We can also add grahics to the display, to show exactly where on your plant an active andon is being triggered form...

Andons can be activated with pushbuttons or iPad / android tablets, via USB or from PLC inputs - the possibilities are limited by imagination only.

Networked andon display and stacking beacon systems




stacking andon beacons






Download our guide with ideas on how to improve the efficiency of your operation...
Ideas for improving the efficiency of your factory


30 years of digital panel meter and large digital display design, manufacture and export

Tech events during our 30 years in business
1992 : World Wide Web becomes widely available
1993 : Email widely adopted, PDF files
1994 : First EU car with SatNav as standard
1995 : PHP and Apache web server released
1996 : USB port widely adopted.
1997 : Broadband replaces dial-up, Netflix
1998 : Google, Digital terrestrial TV
1999 : Wifi networks available, IoT born
2000 : USB Flash drive / memory stick
2001 : The dotcom crash
2002 : The wireless headset developed
2003 : Hybrid cars, Human Genome project
2004 : Honda's Asimo running robot
2005 : Youtube video hosting service
2006 : Nintendo Wii released
2007 : iPhone - the 1st smartphone, Facebook
2008 : Android operating system released
2009 : Mobile phone apps become widely available
2010 : Instagram
2011 : Raspberry Pi computer announced
2012 : Voyager 1 leaves solar system
2013 : Whatsapp
2014 : The year Virtual Reality became popular
2015 : Apple Pay launched
2016 : 1st Amazon parcel delivered by drone
2017 : Blockchain gains traction
2018 : First rover to land on an asteroid
2019 : Quantum computer beats 'normal' computer
2020 : First private owned human space flight
2021 : First aerodynamic flight on Mars
2022 : Webb telescope deployed at L2

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