Castell Safety International Ltd, Motor safety

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Motor safety
September 1st 2005

Castell‘s ASi-compatible motorsafety relay can monitor almost any electrical motors, including variable-speed drives.

The CMM200 has a filtering system to reject the interference produced by VSDs. A vampire connector on the side of the unit fits a standard ASi cable and provides a Category 4 signal to the ASi master interface.

The DIN rail-mountable unit monitors the back EMF generated by a motor to detect whether it is safely at rest or in motion. It is believed to be the only back EMF device to be controlled by dual microprocessors that continually check the state of the motor and the condition of the relay.

The unit has two independent channels to which are connected separate windings of the motor being monitored. Only when both channels have detected zero speed will the normally-open, forcibly-guided safety output terminals become closed.

More articles from Castell Safety International Ltd:

Driver safety (1st September 2008)

Pork Farms, baker of a wide range of savoury products, protects its employees from the threat of driveaways using a Salvo safety system from Castell.

From Handling storing

Revamp for drive-away prevention products (1st July 2008)

Industrial safety specialist Castell has revamped its Salvo range of driveaway-prevention products with third-party installers and distributors in mind.

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Stops drive-aways (1st May 2008)

Diesel engine manufacturer, Cummins, is so satisfied with Castell's Salvo drive-awayprevention system at its Daventry site that it has at ordered a second system for its Darlington facility.

From Health safety welfare

Bay safety (1st January 2008)

Castell's Salvo drive-away prevention system has been installed at Warburtons' Burnley and Blackpool sites, safeguarding a total of eight loading bays.

From Handling storing

Safer bays (1st November 2007)

Frozen food maker Birds Eye, formerly part of Unilever, has chosen Castell's Salvo to protect warehouse operatives at its Hull factory from the threat of unscheduled trailer departure.

Birds Eye recognised that its existing

From Handling storing

Safe loading (1st September 2007)

Castell's drive-away prevention system Salvo is now protecting warehouse staff at what is believed to be Europe's largest single-site PVC compounding operation. Hydro Polymers has installed Salvo on the only loading bay

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Mutual safety assured by interlocking systems (1st March 2007)

The well-being of visitors to London's Millennium bridge, and maintenance staff at the UK headquarters of financial services provider Old Mutual, has been entrusted to an interlocking system supplied by Castell.

From Health safety welfare

Protection for Goonhilly staff (1st March 2007)

Trapped-key interlocking systems from Castell are used to ensure the safety of maintenance workers at BT Goonhilly International Communication Centre in Cornwall.

The site comprises more than 60 operational and developmental

From Health safety welfare

Drive-away prevention (1st November 2006)

Salvo, the drive-away-prevention system from Castell, has been adopted by Arla Foods at its Hatfield Peverel dairy in Essex.

Since Salvo was installed on 6 of Hatfield's 17 loading bays, not a single health and safety incide

From Premises management maintenance

Simplicity is key (1st September 2006)

UK logistics company, Wincanton, has installed Castell's Salvo driveaway prevention system at its West Thurrock site making it the fourth Wincanton distribution centre to be protected by Salvo.

From Handling storing

Bay watch (1st May 2006)

To protect its workers from the threat of drive-aways, Crisp manufacturer, Walkers' Crisps has installed Castell's Salvo system in a total of 89 loading bays across four distribution centres.

From Handling storing

Safe access to chamber (1st March 2006)

Trapped key interlocks from Castell are protecting maintenance workers at an underground liquid hydrogen bus refuelling station near Hornchurch.

From Health safety welfare

Bay safety (1st March 2006)

Castell has expanded its driveaway prevention system, Salvo, with the introduction of Gallant, a keyless door interlock for manuallyoperated loading bay doors.

From Health safety welfare

Extra security (1st January 2006)

Trapped key interlocks from Castell are helping to protect maintenance workers at the UK's first under ground liquid hydrogen bus refuelling station near Hornchurch.

From Premises management maintenance

Tough Lock (1st January 2006)

Castell Iso-Lok has introduced what it believes is the world's first 100% stainless steel padlock.

From Plant process control

Safety boost (1st November 2005)

Flextronics Logistics has invested in Castell's drive-away prevention system, Salvo, to ensure high security, time-critical procedures at its supply and distribution hub in Ireland pose no threat to the wellbeing of warehouse staff.

From Premises management maintenance

Castell goes to unusual lengths for a customer (1st July 2005)

Apadlock with a very long shackle has been introduced by Castell Iso- Lok. The 340mm high device was produced for a customer who needed to secure a large set of keys.

From Premises management maintenance

Key to safety at the mill (1st May 2005)

manufacturer of folding boxboard uses safety interlocking systems from Castell to give risk-free access machinery at its Cumbria mill.

From Health safety welfare

Key to safety (1st May 2005)

Christian Salvesen has installed Castell’s Salvo safety system across its Bury distribution site to protect staff from drive-aways

From Handling storing

ASi compatibility for relay (1st March 2005)

An ASi-compatible motor safety relay from Castell is capable of monitoring practically all electrical motors, including variable speed drives.

From Health safety welfare

Load safely (1st March 2005)

Supply chain management company, Wincanton, has adopted Castell’s drive-away prevention system – Salvo – across its entire Gloucester site.

From Health safety welfare

Locking-off (1st March 2005)

Available from Castell Iso-Lok are a range of locking-off products to protect personnel and help companies comply with their legal duty of care.

From Health safety welfare

Anti-lock-in device adapted for sliding doors (1st November 2004)

Anew version of Castell Safety International’s Entry Safe key interlock controls access to hazardous areas, and can be fitted to sliding doors as well as hinged versions.

From Health safety welfare

No trouble at mill (1st September 2004)

BSW Timber in Newbridge-on-Wye has chosen interlocking systems from Castell Safety International to protect its employees.

From News

NOW IN STAINLESS STEEL (1st July 2004)

Castell Iso-Lok produces versions of most of its key products in hygienic, easy-to-clean, high polish stainless steel, suitable for use in hostile and corrosive conditions as well as in food processing and other clean room environments.

From Health safety welfare

Safer loading (1st May 2004)

A product developed by Castell in conjunction with a logistics company helps protect fork lift drivers during loading and unloading operations.

From Health safety welfare

Stop check (1st May 2004)

A motion-monitoring device for use with trapped key access control systems has been developed by Castell Safety International.

From Health safety welfare

Valve covers (1st May 2004)

Protecting against inadvertent or unauthorised operation of wheel-operated valves is simple using V-Safe valve covers from Castell Iso-Lok. The highly visible devices secure the regulation of liquids and gases by completely enclosing valve handwheels

From Health safety welfare

Safe lock-off (1st January 2004)

Production and maintenance staff at British Gypsum-Isover now have a personal padlock from Castell Iso-Lok engraved with their name, and an attached danger board with their name and photograph. These are used to lock-off and isolate machinery safely

From Plant process control

Safety and less downtime (1st January 2004)

Cabot Plastics has improved productivity since the trapped key interlocking safety systems on its Banbury mixers were modified by Castell in partnership with Vital Link. Comprehensive interlocking systems had been in place for many years at the compa

From Plant process control

Concrete solution boosts safety (1st November 2003)

A concrete mixing plant used in construction projects at Heathrow Terminal 5 has been fitted with a trapped key interlocking system from Castell Safety International. Compactors Belgium has supplied a twin plant for the production of paving quality c

From Health safety welfare

KEY TO SAFE VAULT ACCESS (1st September 2003)

Mechanical and electrical interlocks from Castell Safety International are safeguarding the operation of a 30 million volt cyclotron at the Eindhoven University of Technology. Safe operation is ensured by a plc-based interlocking system from Honeywel

From Health safety welfare