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It is advantageous from a cost effectiveness and optimum usability standpoint to use safety sensors that are characterized by functions that match the specific requirements of the given application as closely as possible. The Multiple Light Beam Safety Device MLD 500 (type 4, PLe) has been specially designed for this.
As for the MLD 300 series (type 2, PL d), the MLD 500 sensors are characterized by their individual function classes. This permits start/restart interlock and contactor monitoring to be selected and, if necessary, various muting modes may be implemented. The series can be used both as standard access guarding as well as for applications where sequential, parallel or partial muting is required. Additional muting devices are not required, thus simplifying construction and lowering costs during setup of the muting application.
The series is predestined for wide-area perimeter guarding, which is realized with Deflecting Mirrors, enabling operation at ranges of up to 70 m. In addition to transmitter/receiver versions, 2- and 3-beam (patented) transceiver versions are also available. No PC is necessary for configuration, as the functions are set via the pin assignments at the connection. Operating temperatures as low as 30 ° C are possible. Options such as the laser alignment aid, a muting indicator and the patented swivel mount for easy fastening and alignment round out the MLD product range.
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