Safety sensors
27 April 2010
Panasonic Electric Works UK is offering a range of SUNX Safety Sensing products.
Designed to meet the current SIL and PL safety requirements now required for 2010, the range includes single beam safety sensors, safety light curtains and scanners.
Both SIL Level 3 (PLe) and SIL Level 2 (PLd) safety solutions are provided for with the SF4B, SF4C and SF2B Series of Safety Light Curtains with some series offering Finger, Hand and Arm/Foot protection.
The light curtains are available in several different protective heights, ranging from 230mm to 1910mm with the ability to increase these heights by mounting them in series with a feature that means there is no dead band between each curtain.
Other features include muting control and a safety override function for SF4B types. Built-in beam axis alignment indicators are also available on all models. Mutual interference and malfunctions based on extraneous light are reduced with the ELCA (Extraneous Light Check and Avoid) function, utilising double scanning and retry functions that are exclusive to SUNX. All of these features are also implemented in the world’s smallest SIL 3 (PLe) safety light curtains, the SF4C series. In addition, SF4C is equipped with a safety input function allowing other safety devices to be connected without the need for a safety controller.
The ST4 series type 4 safety beam sensor allows safety sensing to be realised where a standard safety light curtain cannot be installed. The ST4 series uses a through beam sensing head with a sensing range up to 15m and two types of safety controller, and up to six sensing heads can be connected to a single controller. Like the safety light curtains, it includes function for muting and safety overriding. Each sensing head is rated to IP67 allowing installation in the harshest environments.
The SD3-A1 Safety Laser Scanner uses a class 1 laser to monitor an area within a 190º radius up to 15m in depth. This radius is divided into 528 segments by a rotating mirror and configuration software allows a warning and protection zone to be created; in fact, up to eight zone patterns can be created and selected via an input port.
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