Also online at: www.dijonline.co.uk 96 THE door industry journal summer 2022 Automated Gates & Barriers SOMMER Once Again Expands its Photocell Portfolio Augmenting your door or gates with automation gives access to a whole new range of ways to open them quickly and effortlessly. Ranging from remote transmitters and complex access control systems via mobile applications, to simple but effective keypads. While this is highly practical and convenient, essential safety precautions must be put in place to tell the moving object when something is in the way, particularly when doors and gates can easily be closed without having a line of sight. A photocell can increase the security of your doors, gates and barriers. As soon as the beam of the photocell is interrupted, the door, gate or barrier reverses. Depending on desired settings, this can either be set to fully open all the way or to partially reverse to ensure nothing is caught in the door, gate or barrier. Fitting a photocell as an additional safety device not only protects property, for example, vehicles but also means added safety. The new 20-metre, 2-wire, one-way photocell is now available with immediate effect. It expands SOMMER’s range of photocells in response to frequently voiced customer wishes, filling the specification gaps in the range before its launch. With this product, the focus from start to finish has been on versatility, quick installation and smooth operation. The 20-metre one-way photocell uses the SOMMER 2-wire system. Only two wires are required on the transmitter and the receiver side, while the polarity is optional. A board which is rotatable through 180° means additional installation options, and no mounting brackets are required. This enables them to be fitted to a flush-mounted wall, without the back end of the photocell or brackets sticking out. With its IP55 rating, it is completely protected from outdoor use. IP55 rating protects it against jets of water and does not let large amounts of dust inside which would interfere with its operation. In other words, this photocell can be used on all SOMMER control units and operators with a connection for 2-wire technology. The necessary mounting material is included with every order. The advantages of two-wire technology are clear: Fewer wires are required than for four-wire technology. This saves copper making it less expensive and preserves natural resources protecting the environment. Installation is easier, too, because there is no need to observe the polarity of the connection. The transmitter and receiver are simply connected in parallel, each with two wires. In short, the new photocells from SOMMER are as versatile as they are reliable, offering flexibility when when mounting options are limited, but without compromising on modern aesthetics. For more information visit www.sommer.eu/en-GB
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