Faultless control at Millennium Dome
A
Siemens Automation and Drives product story
Edited by the Engineeringtalk editorial team
Aug 15, 2000
Award winning Remarkable Pencils Limited are using a Siemens Logo! logic module to control pencil production on their stand at the Millennium Dome.
Award winning Remarkable Pencils Limited are using a Siemens Logo! logic module to control pencil production on their stand at the Millennium Dome.
The Logo! unit is part of a machine which uses highly innovative technology to convert recycled plastic vending cups into 12,000 new pencils every day.
Upgrading the control system to a Siemens Logo 24RCL took just eight hours and has provided a faultless service.
The Logo! 24RCL is a flexible, easy to programme, low cost control unit.
It replaces the set of five MY4 type relays used initially, which had proved unreliable - the high vibration and shock loading combined caused them to fail after just 80,000 operations.
The Siemens Logo! unit controls the traversing circular saw at the end of the machine, which cuts the pencils to 180 mm lengths, ready for printing and sharpening.
Choosing the Logo! module removes the need for separate components.
All the necessary control functions are provided in one unit.
So Logo! saves space, time and money.
By simply selecting the required function by pressing a key, it is ready for use.
The Logo! 24RCL is shorter than two standard size modules but has twice as many possibilities, with eight outputs and 12 inputs.
"The Logo system was recommended by our contract electrician who had used them in other systems before," commented Tim Weaver, Operations Manager at Remarkable Pencils.
"We have developed a unique and highly innovative process for converting recycling used vending cups into quality pencils and pens.
The Logo 24RCL is an integral part of that process".
He added.
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