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Editor: Jonathan Severn
2nd May 2012

Sistema is popular for performing EN ISO 13849-1 Performance Level calculations, but some engineers criticise the way its results can be open to interpretation. Wieland Electric is now promoting Docufy Machine Safety to the UK market. While this is primarily a tool to aid compliance with the risk assessment aspects of EN ISO 12100:2010, it integrates with Sistema and, moreover, removes the ambiguity from Sistema's results.

Of course, if you are designing safety-related control systems to EN 62061 (IEC 62061) instead, then Sistema is of no help. However, the Pilz PAScal safety calculator, the latest version of which (v1.6) was being demonstrated on the Pilz stand at Drives & Controls, can be used with this standard as well as EN ISO 13849-1, and it can import data for other manufacturers' products in Sistema format.

Last month I wrote about Mitsubishi's new MELSEC L Series modular PLC that bridges the gap between the company's compact FX PLC and the high-performance iQ Process Automation Controller (PAC). This month we have the new Allen-Bradley CompactLogix PAC (see the first item below). Both platforms are being targeted at machine builders, and they certainly have their similarities - though they also have significant differences too. Have a look at them and see what you think.


raNew Allen-Bradley CompactLogix PAC with standard Ethernet
Rockwell Automation is describing its new range of CompactLogix programmable automation controllers as "a step change in smaller controllers." More?

hmPrecision Ring and Track system now with unlimited radius
HepcoMotion can now supply Precision Ring and Track one-piece rings up to 1.8m diameter or segmented rings with an unlimited radius - in steel or stainless steel. More?

brSamples of 'the perfect connector' for machine builders
Binder UK is offering samples of its versatile, modular, snap-in, IP67, circular connectors that can be used for power or signals. More?

daAttachment chains manufactured to order using UK stocks
Donghua has opened a new production facility in the Midlands, claiming that "no other UK chain supplier carries the full range of attachment chain." More?

ssMachinery protection monitor is compact and cost-effective
Sensonics' compact DN26 G3 machinery protection monitor can monitor two channels of bearing vibration, shaft vibration or shaft position. More?


hmEducational events: weighing technology and stress analysis
HBM UK is running two events in May; one focuses on weighing technology and applications, while the other is a strain gauge stress analysis workshop. More?

ucMidlands Design & Manufacturing, NEC, 23-24 May
This show is co-located with Mtec (sensors, test and instrumentation), so there will be plenty of suppliers and products of interest to machine builders. More?


rhLean Production and the role of Manual Production Systems
This article from Rexroth explains the important role that Manual Production Systems play in implementing Lean Production. More?

pzPilz Sigma PNOZ s4 safety relay is approved to EN 81-1
One of the most popular Pilz Sigma safety relays, the PNOZ s4, has been approved by TUV for lift applications in accordance with EN 81-1. More?

meCapacitive sensors measure gaps in hard-to-access areas
Micro-Epsilon's latest high-accuracy, non-contact capacitive displacement sensors have flexible probes for measuring gaps in difficult-to-access areas. More?

leHigh-performance servos deliver savings for machine builders
Lenze is launching new i700 servo inverters that can reduce purchasing costs, engineering costs and the need for panel space. More?

srIDS uEye CP camera features USB 3.0 interface
Stemmer Imaging is introducing the ultra-compact (29mm cube) IDS uEye CP camera that benefits from a USB 3.0 port for high-speed data transfer. More?

prEN ISO 13857 Safety Distance Calculator
Save time when specifying and designing machine guards to EN ISO 13857 by downloading the Safety Distance Calculator from Procter Machine Guarding. More?


Gurus, Google and gadgets
Another eclectic mix this week, with a book on leadership, Google Glasses (and avoiding dumb tweets) and how Wally keeps his coffee warm. More?


Follow us on Twitter
I have been busily tweeting, first from the Drives & Controls and MACH shows, and then mostly about products and offerings that you will not find on our website or in the newsletter. Remember that you can read the tweets and follow any links without having to have a Twitter account:


Please note that June's newsletter will be published a week later than usual, on the second Wednesday of the month, due to the Jubilee bank holiday and half-term holiday.

Jonathan Severn

Andrew Turner
Sales Manager

Telephone: +44 (0) 1483 560314


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