RS4-4E Leuze

Description

Leuze RS4-4E Electronic SCAN

Product Dimensions：

Device description
The ROTOSCAN RS4 safety sensor is an optical, two-dimensional measuring Safety Laser Scanner.The safety sensor transmits periodic light pulses via a rotating deflection unit. The light pulses are reflectedby obstructions,e.g. people, and received by the satety sensor again and analyzed. The safety sensoicalculates the precise position of the obstruction from the light travel time and the anale of the deflectionunit at that time. If the obstruction is within a predefined area, the protective field, the safety sensorperforms a safety-related switching function. lt switches the safety-related switching outputs off.Only when the protective field is free again does the safety sensor reset the safety-related switching function, either automatically or following confirmation, depending on the operating mode.The safety sensor can even detect people when they are wearing very dark clothes, which have a veryweak diffuse reflectance.
46Reference boundary monitoring
The reference boundary monitoring function prevents unintentional misalignment and deliberate manipu:lation of the safety sensor. f a protective field contains an area with reference boundary, the safety sensoinot only monitors interruptions of the protective field, it also monitors the concurrence of the measuredarea contour with the set reference boundary. If the measurement values of the area contour deviate fromthe defined reference boundary by more than the tolerance zone, i.e, if no object is detected in the areawith reference boundary, the safety sensor switches off and the safety-related switching outputs (OSSDsswitch to of. The reference boundary function is set together with the definition of the protective fieldboundaries.
MotionMonitoring
The MotionMonitoring function assists you during the configuration of the safety sensor for the mobiledanger zone guarding application for side-tracking skates and, during travel operation of the side-trackingskate, monitors whether the control has selected the correct protective field for the given operating situa.tion.
Using its internal measurement values, the safety sensor calculates the current speed of the side-trackingskate and compares this value with the speed configured in the speed matrix of the safety sensor for theprotective field. This control function of MotionMonitoring leads to the following behavior:
lf the speed is higher than the speed given for the protective field, the safety sensor corrects by oneprotective field upwards. lf a second correction is required with an even faster speed, the safety sen.sor stops the side-tracking skate.
if the maximum speed is exceeded, the safety sensor stops the side-tracking skate immediately.
Two further functions are intecrated into the Motiononitoring function, which are assigned to the two fieldpairs, 7 and 8:
Further travel blocking – field pair 7
Creep and reverse – field pair 8

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