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Compact switch connects logic module to Ethernet network

With the Logo! CSM 230 and CMS 12/24 compact switch modules from the Siemens Industry Automation Division, logic modules in the Logo! product range can be enhanced by additional Ethernet interfaces and connected flexibly to Ethernet networks.

The design of the new switch modules has been adapted perfectly to the Logo! series, enabling seamless and space-saving installation. The CSM 230 is suitable for operation at 110 and 230 volts AC, while the CSM 12/24 version operates at 12 and 24 volts DC. The power is supplied to both versions via terminal strip connections.

Logo! CMS 230 and Logo! CMS 12/24 each have four RJ45 ports. Three ports are located on the underside, and another port is set into the front panel for fast connection of programming and diagnostics devices. The unmanaged switches can either connect two logic modules to each other, or they can offer connections for additional components such as human machine interface devices, displays, or programming devices (PG). Like the Logo! logic modules, the new switch modules are suitable for a host of applications in different sectors, and can also be used in stand-alone mode for connecting up any Ethernet devices.

The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of innovative and environmentally friendly products and solutions for industrial customers. With end-to-end automation technology and industrial software, solid vertical-market expertise, and technology-based services, the Sector enhances its customers' productivity, efficiency, and flexibility. With a global workforce of more than 100,000 employees, the Industry Sector comprises the Divisions Industry Automation, Drive Technologies and Customer Services as well as the Business Unit Metals Technologies. For more information, visit

The Siemens Industry Automation Division (Nuremberg, Germany) supports the entire value chain of its industrial customers – from product design to production and services – with an unmatched combination of automation technology, industrial control technology, and industrial software. With its software solutions, the Division can shorten the time-to-market of new products by up to 50 percent. Industry Automation comprises five Business Units: Industrial Automation Systems, Control Components and Systems Engineering, Sensors and Communications, Siemens PLM Software, and Water Technologies. For more information, visit

Reference Number: IIA2011112904e

Mr. Peter Jefimiec
Industry Automation Division
Siemens AG
Gleiwitzerstr. 555
90475 Nuremberg
Tel: +49 (911) 895-7975

Peter Jefimiec | Siemens Industry
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