Industrial communication technologies such as Industrial Ethernet have to satisfy the highest safety standards. An intact infrastructure is also decisive for high accessibility. With its CMC-TC (Computer Multi Control TopConcept), Rittal provides a modular monitoring system that it says offers ideal protection for the infrastructure (eg, enclosure systems, switch rooms and separate field enclosures). The user is informed about access from outside, increased temperatures, humidity, etc, and can then implement further action.
Because the system is modular, it can be adapted to the individual requirements of the existing infrastructure, and later expansion or retrofitting is possible. The system can thus offer an optimised secure investment for the IT infrastructure in the automation process.
The Rittal CMC-TC is linked to the existing network management systems (NMS) by Ethernet via TCP/IP and SNMP. It also incorporates its own Web server for comfortable working via an Internet browser and supports standards such as RS232, Telnet, SSH, FTP or SMTP. An SNMP OPC server in the system consoles makes links to the industrial or building automation possible.
Wireless sensor network
Rittal presented its first concept for the wireless monitoring of network infrastructure at SPS/IPC/Drives in Nuremberg 2005. It says that this wireless sensor network, based on a non-interference and safe transmission standard, will supplement its CMC-TC line in future. The aim is to extend the existing CMC-TC in applications by adding wireless sensors to a comprehensive 'condition monitoring' system. Sealed radio sensors (2,4 GHz ISM band) and transmission rates of up to 2 Mbps at ranges of up to 900 metres outside and about 100 metres in buildings, are being tested. An initial solution has the advantage of minimal power consumption, so a maintenance cycle of five years can be expected. Overall, the aim is to expand wire-transmitted technologies by incorporating Rittal's wireless sensors and receiver components to realise a comprehensive condition monitoring concept.
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