Profinet wireless module

Thursday, 25 June, 2009 | Supplied by: Siemens Ltd

The IM154-6 PN HF IWLAN Profinet-ready wireless interface module enables the higher IP rated ET200pro distributed I/O system to communicate via industrial wireless LAN.

The module can be operated on an industrial wireless LAN access point in a 2.4 or 5 GHz IWLAN radio network with maximum data rates of up to 54 Mbps. It enables the ET 200pro system to be employed for applications where a wired solution could only be implemented at high cost due to wear and tear, separation and inaccessibility.

Some possible areas of application are driverless transport systems, warehouse logistics, goods transport electrical trolley conveyors, building management and service applications.

The IM 154-6 PN HF IWLAN interface module consists of an interface unit (IWLAN radio card compatible with IEEE 802.11a/h/b/g and IEEE 802.11e/i) and a connection unit.

The interface unit and the connection unit are supplied together with the terminating module. The directly or separately mounted antennas are connected to the interface module via a screwed connection (R-SMA). The device name and the user and configuration data can be stored on a Simatic micro memory card.

A high degree of security is achieved with the WPA2/IEEE 802.11i mechanism. Here, modern procedures have been defined that control both a regular change of the complete 128-bit key, as well as access control (authentication) of subscribers. The Advanced Encryption Standard (AES) is used for data encryption.

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