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I/O System

How New Intrinsically Safe I/O Modules Redefine the Range of Application for Automation

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Ready for Extreme Conditions

The XTR in the module designation stands for “eXTReme” ambient conditions. The permissible ambient temperature range of -40 °C to +70 °C enables the modules to be used an any climatic zone without having to provide additional protection with air conditioning or heating systems. The module’s immunity to impulse voltages and interference even permit it to be used in medium-voltage systems.

Additional Information
At a Glance: Extreme Properties for Extreme Requirements
  • Temperature range -40 °C … +70 °C
  • Immunity to impulse voltages and interference (acc. EN 60870-2-1)
  • Vibration resistance 5 g (acc. EN 60068-2-6)
  • Continuous shock resistance up to 25 g (acc. IEC 60068-2-27)
  • Intrinsic safety (signal acquisition from zones 0 and 1)
  • Short-term condensation per Class 3K7 (acc. EN 60721-3-3)
  • Operating altitude up to 5,000 m above sea level
  • Approvals: UL, ANSI/ISA, ATEX/IECEx
  • Installation location: Zone 2/22

Due to its extreme vibration and shock resistance, the XTR modules for the intrinsically safe area even meet the requirements for rail vehicles and are suitable for installation on marine diesel engines. All of the circuit boards are coated with protective varnish, to safeguard the power electronics and conducting tracks against short-term condensation.

This linking of requirements for intrinsic safety and resistance to extreme ambient conditions makes the I/O-System a special asset for systems in the oil and gas industry in the upstream sector (extraction, processing), as well as in the downstream sector (transport, refining) or for outdoor systems exposed to extreme climatic swings. It functions not only as a purely remote I/O system, but also offers a versatile, future-oriented and reliable control system with the high-performance PFC controllers.

Increased Efficiency and Cost Minimization

The I/O-System 750 XTR enables the development of an optimized and globally applicable automation concept for systems and machines to reduce or economize the design for air-conditioning and ventilation systems and reduce the cost of overvoltage protection. Product maintenance costs as well as maintenance and storage costs at the end customer are also minimized. Manufacturers as well as operators thus benefit from numerous advantages.

* B. Böhm is Global Industry Manager Process, M. Kühme is Product Manager I/O-Systems, Wago Kontakttechnik GmbH & Co. KG, Minden.

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