Archive for July, 2010

Machine Safety ‘Peace of Mind’ with the Smartscan Maintenance Package.

Tuesday, July 13th, 2010

Smartscan Ltd offers comprehensive machinery safety solutions for all its customers right through the machine safety life cycle, from an initial concept through safety standards, risk assessment, control system design and safety product supply, t- installation, commissioning and a comprehensive maintenance package.

Routine or preventative maintenance of safety products installed on the customer’s machines is an important area within the machine safety life cycle. There are of course many standard benefits to a routine maintenance schedule including extending the product life, early identification of potential problems and reduced machine downtime and its significant associated costs.

In many factory environments machine safety products are exposed to a variety of potentially damaging encounters from fork lift trucks and high pressure wash down to oil, grease and general damage from the day to day manufacturing processes. For example, with safety light curtains this can result in product being knocked out of alignment, fluid ingress, broken connectors and the degrading of the Perspex window covering the infra-red light beams with the subsequent reduction in operation.

Smartscan have been providing a routine maintenance package as part of its safety system solutions for over 10 years now and it is used by a number of large blue chip companies within the UK Food and Drink sector. The wealth of knowledge and practical experience we have developed in this area gives our customers additional reassurance of the work being carried out and down-to-earth help with application queries.

The Smartscan maintenance package involves a Smartscan approved engineer going on site to undertake planned maintenance of the Smartscan safety products covered by the maintenance contract. The engineers will be competent and fully trained in Smartscan’s product range and on-site Health and Safety.

The maintenance package will include the following features:

  • A full service report detailing the Smartscan safety product in use, the product status, positioning of the product and any work or repairs carried out. It will als- include a check list for all products detailing all the checks undertaken.
  • A Certificate will be provided for assurance of the quality of the maintenance workmanship and compliance with the appropriate machine safety standards and legislation.
  • Example maintenance checks for a safety light curtain include: Correct operation of the light curtains and accessories (remotes, relay control box, reset stations, cables etc.), Mechanical installation, Electrical installation, Stop-Circuit interface, EMC check from the supply voltage and application specific checks.
  • While under a maintenance contract we will offer a loan guard if a guard has a problem that cannot be resolved on site. (Note: loan guards are only available for the current Smartscan range of products). Any repairs found necessary will be charged t- the customer but only following approval from the customer and confirmed by a Purchase Order number.
  • Technical Help line open during office hours for application and technical product support.

The maintenance package will generally be scheduled on a yearly basis and carried out at a time t- suit the customer e.g. specific downtime periods. This may well involve the maintenance work being undertaken at the weekend.

Key benefits of the Smartscan maintenance package include:

  • Helping to reduce costly unplanned downtime by ensuring that the safety products continue to perform reliably through scheduled quality maintenance by competent Smartscan approved engineers.
  • Continued compliance with legislation and the appropriate machine safety standards.
  • Provide detailed documented listings of Smartscan safety product for the site / machine plus regular input to the maintenance reporting process.
  • Opportunity for a safety product use ‘refresher’ for the machine operators.

It is of course a legal responsibility of every company that their employees are working within a safe environment. The Health & Safety at Work Act 1974 is the Statutory Law passed by Parliament that requires employers to provide a safe working environment. In the Provision and Use of Work Equipment Regulations 1998 (PUWER) the subject of maintenance is directly referenced within the Act and the employer’s responsibility with regard to maintenance and ensuring that machinery is kept in safe working order.

In order t- meet with these requirements a new risk assessment should be carried out after any changes to ensure that any new risks are identified and safeguarded against. In the HSE report ‘Out of Control’ 20% of the incidents investigated were attributed to changes after the machine had been commissioned.

A regular maintenance package provides a useful safeguard in helping to identify possible changes to the machine / safety system. It is not uncommon for modifications t- be made t- machines during their life span, typically to make it friendlier for the operators. Over time these modifications can become part of the standard operating procedure. Should these changes lead to a safety incident the company can find itself exposed to the full weight of the law, as any changes will make the original risk assessment null and void.

Another driver for maintenance within the field of machine safety comes from the various machine safety ‘Standards’ e.g. EN 60204-1, IS- 12100, EN 954-1. One of the more recent of these has been IEC 61508 and its sector specific standard IEC 62061 for Machinery which encourage a life cycle approach t- machine safety. Looking at machine safety solutions from initial concept through t- Maintenance / Repair and eventual Decommissioning / Disposal. The HSE view the use of such standards as good practice by an employer in trying to achieve their machine safety objectives.

New from Smartscan – 1000 Plus Series Low cost safety light guard.

Tuesday, July 13th, 2010

Smartscan’s NEW Low Cost Safety light guard – 1000 Plus Series provides a range of low cost safety light guards with a high level of safety integrity to Category 3 – EN 954-1 with detection heights from 180mm to 1240mm as standard with 30mm and 40mm object detection making them suitable for ‘hand’ detection. The 1000 Plus safety light guard includes innovative design features providing customers with an easy to use, low cost solution supported by a full two year warranty. The range also includes 2, 3 and 4 beam options for guarding around the perimeter of a machine. Enhanced visual diagnostics aid light guard monitoring and set-up. IP65 for harsh environments and finished in a bright ‘yellow’ polyester powder coating.

Its mould breaking combination of IEC 61496-2 TYPE 2 and EN 954-1 Category 3 safety integrity makes them suitable for the majority of safe guarding applications helping customers get the right balance for their safety applications.

Connecting the 1000 Plus series safety light guard to a machine control system couldn’t be easier. A 24V DC supply is required to the light guard transmitter and light guard receiver units. Connect the two electronic output switches to the machine stop circuit and the installation is complete. The light guard Transmitter and Receiver heads come complete with 5m connection cables.

Mechanical installation is fully catered for with a combination of four specially extruded slots running the full length of the extrusion that incorporate an M6 thread and a standard angle bracket mounting kit option.

In addition Smartscan offers a range of Multifunction Safety Units providing relay output switching and a number of control options like muting, E-stop inputs and control of two light guards.

Versatile safety relays simplify light curtain integration.

Tuesday, July 13th, 2010

New from Smartscan – a range of multifunction safety relays which provide, not only the emergency stop function but also have inputs for connecting upto two dual-channel light curtains.

The units have been introduced primarily to provide additional control flexibility for Smartscan’s 1000 Plus series range of safety light curtains. Many unique design features have been incorporated in the 1000 Plus series enabling the company to offer an exceptionally low cost product.

Two multifunction units are currently available, one acts as a standard safety relay and the other includes additional features including, selectable auto/manual reset modes, external device monitoring (EDM) and LED indicators for all input and output channels. The unit is automatically self testing with simultaneous monitoring between related channels, monitored output switching contacts are rated at 110V, 4A with two additional electronic outputs for status indication etc.

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