Siemens Releases New Critical Control Module for QUADLOG Safety PLC | Automation.com

Siemens Releases New Critical Control Module for QUADLOG Safety PLC

March 022004
Siemens Releases New Critical Control Module for QUADLOG Safety PLC
Improves Safety PLC Performance

SPRING HOUSE, Pa. (March 2, 2004)—Siemens Energy & Automation has released the eXcelerated Critical Control Module (CCMX), an enhanced version of the QUADLOG Safety PLC’s Critical Control Module (CCM+). The CCMx features expanded memory capacity and is capable of scanning program logic 2 to 4 times faster than the CCM+ Controller.

In addition to providing more time for communication with other devices in the system, such as the operator interface, the faster scan rates also minimize the time it takes to detect an unsafe process condition, and it’s reaction to bring the process to a safe state. Moreover, the CCMx offers the CCM+’s logic solving, communication, and advanced control functions, while continuing to provide 1 ms Sequence of Events (SOE) resolution on discrete I/O changes.

The CCMx is certified for classes AK1-AK6 by Germany’s TÜV organization, which rates equipment for requirement class levels (AKs) to specify the amount of safety risk reduction required by a particular application. It is also certified by Factory Mutual (FM) and the Canadian Standards Association (CSA) for Class 1, Division 2 hazardous areas. The CCMx is suitable for use in SIL 2 and SIL 3 applications.

The QUADLOG Safety PLC is a programmable electronic system (PES) for potentially dangerous applications, such as burner management, emergency shutdown, and fire and gas detection. Unlike conventional PLCs, which require additional hardware and engineering for adequate protection, QUADLOG’s built-in features provide maximum safety and reliability. Moreover, it exceeds the safety of triple modular redundant (TMR) systems, but for less cost and with greater system reliability.

Siemens AG (NYSE: SI), headquartered in Munich, is a leading global electronics and engineering company. Siemens and its subsidiaries employ 417,000 people in 192 countries and reported worldwide sales of $80.3 billion in fiscal 2003 (10/1/02 - 9/30/03). The United States is Siemens' second largest market in the world, with 11 of Siemens' worldwide businesses headquartered here and annual sales of $16.6 billion in fiscal 2003. The Siemens companies in the US employ approximately 65,000 people in all 50 states and Puerto Rico. Corporate headquarters for Siemens' US businesses are located in New York City. For more information: www.usa.siemens.com.

Siemens Energy & Automation, Inc., is one of Siemens' operating companies in the United States. Headquartered in the Atlanta suburb of Alpharetta, Ga., Siemens Energy & Automation manufactures and markets one of the world's broadest range of electrical and electronic products, systems and services to industrial and construction market customers. Its technologies range from circuit protection and energy management systems to process control, industrial software and totally integrated automation solutions. The company also has expertise in systems integration, technical services and turnkey industrial systems.

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