Safety instrumentation :: Topics

Increased plant safety puts focus on tank gauging
The demand for safety technology in bulk liquid storage plants is increasing worldwide. This market trend can clearly be seen in tank gauging projects where Safety Integrity Level (SIL) requirements are now being incorporated.
How functional safety helps to save lives
In this article, Ron Bell of the IEC explains functional safety and looks ahead to the revision of the IEC 61508 standard that is due for publication in 2010.
A safe, clean business — monitoring an exhaust purification plant
Systems for thermal exhaust purification are subject to furnace regulations, and the safety of such plants presents a particular challenge for automation technology. In the past, the safety functions on systems manufactured by Dürr were monitored using conventional automatic gas burner control systems and safety relays, but safety and efficiency have since been greatly improved with the implementation of advanced safety control systems.

Sound level meters
The Rion NL series of sound level meters are designed to conduct a range of measurements, including spot checks around areas of potentially high noise levels such as production plants, construction areas and air conditioning.
Configuration software
Pilz has released version 6.0.0 of the PNOZmulti Configurator software package for use with the PNOZmulti modular safety controller. It is available in English and German, plus a new feature enables diagnostic messages for end users to be created offline in any language and imported into the Configurator.
Safety relays
The multifunctional PNOZsigma relay allows a smaller number of units to be used in applications that previously required the use of numerous different models of safety relay, meaning that stockholdings can be reduced substantially. The PNOZsigma relays also provide LEDs on the front that give much better diagnostic data than their predecessors, helping with troubleshooting and therefore reducing machine downtime.
Hazardous area gas analyser
The flameproof housing of the EL3060 analyser fulfils the requirements of Category II 2G and due to its high safety standards can be used in plants with potentially explosive gas atmospheres of Zone 1 and Zone 2.
Safety gate switch and interlock
Pilz has introduced a gate switch with an interlock with a non-contact transponder for the switching function and an electromagnet to hold the gate closed.
Modular safety lights
Treotham Automation has launched the Elfin modular safety lighting range, which includes warning lights, access illuminators and machinery cabinet lights.
Safety hinges, pull ropes and guards
Treotham Automation has increased its Euchner safety switch range with the addition of safety hinges, rope pull switches and CET non-contact safety guard locks.
Safety switch
Treotham Automation has released the Wieland SNV4063KP safety switch that has a selectable access delay for applications on machines that have a slow rundown time.
Intrinsically safe barriers
Turck IM Series Isolating Intrinsically Safe Barriers from Micromax now have IEC Ex International approvals.
Gas monitor
The GASMAX/EC single channel Toxic/Oxygen gas monitor delivers the latest in gas detection technology, reliability and ease of use. The GASMAX/EC is CSA certified for use in Div. 1 and Div. 2 Explosion Proof installations and Intrinsically Safe installations with barrier.
Fixed-point gas monitor
Industrial Scientific Corporation is pleased to introduce the stainless steel iTrans as a robust solution for fixed-point gas detection. Built with a 316-grade stainless steel housing to withstand corrosion, the monitor is ideal for installations in harsh environments such as offshore drilling platforms, chemical plants, or applications near a saltwater coastline.
Coded safety gate switches
A non-contact coded safety switch, PSENcode, from Pilz meets the requirements for safety gate monitoring, has a high level of security and 10 can be connected in a single series.

GE Fanuc completes MTL product acquisition
GE Fanuc Intelligent Platforms has announced that it has completed the acquisition of assets of the MTL Open System Technologies (MOST) product lines, including the MTL8000 general purpose I/O, intrinsically safe I/O, SafetyNet system and process control technologies.
GE Fanuc acquires MTL product lines
GE Fanuc Intelligent Platforms and MTL Instruments Group have announced an agreement for GE Fanuc to acquire the assets of the MTL Open Systems Technology (MOST) product lines.
Rockwell Automation speaks safety
At Safety in Action 2007 in March, Rockwell Automation will present a paper exploring how safety control - when properly implemented - can dramatically increase the efficiency of modern manufacturing applications.
Safety Control systems conference
29 - 30 November 2006 Brisbane, Australia
Safe instrumentation market booming in automation industry: report
Safety-rated process instrumentation is becoming one of the fastest growing segments of the automation industry, according to a report recently published by American engineering consulting firm Exida.
Omron expands in Japan
Omron has acquired Scientific Technologies, Incorporated, (hereafter, STI) for a purchase price of AU$125 million.

On the safe side at Shell Clyde
The Shell oil refinery at Clyde — nestled among the mangroves on the banks of the Parramatta River — is a well-known Sydney landmark. With encroaching suburbia and the surrounding fragile ecology of the Parramatta River on its doorstep, there is a need to maintain high safety and environmental standards. With the safety systems at Clyde due for an upgrade, Shell wanted to maximise the safety and operational requirements of the plant.

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