The CROMLAVIEW^® CR210P color sensor processes colors in a perceptual way (i.e. according to human perception) and assesses color distances with the precision of the human eye. For this purpose, a Lab color space is used in the color sensor, which has been equipped with a 4 Watt high power white light LED. Color distances are measured and assessed the same way humans would do. This sensor offers a maximum of flexibility, as it can be combined with a large number of optical fibers and focus optics by means of an optical fiber connection. On the other hand, multiple interfaces leave nothing to be desired. The color sensor, for example, can be connected with the computer via RS232 or USB interfaces. The freeware software CR-Tool, supplied with all CROMLAVIEW^® color sensors, facilitates the parameterization and the visualization of color values. Besides that, the color sensor can also be operated using the buttons. More standard interfaces are 12 push-pull switching lines (24 V/100 mA per line), which, when binary encoded, can output 4096 switching states. For easy integration in industrial automation, the CR210P has been equipped with a Profibus interface. This interface, which is frequently used for the control of sensors and actuators in production engineering, supports data rates of up to 12 Mbit/s. The control itself is performed by a central control (SPS), which often plays an important role in standard diagnostic options. As all the other CROMLAVIEW^® color sensors, the CR210P is also equipped with the CROMLASTAB^® technology, which protects it from temperature and age drift and thus ensures secure and reliable operation in the whole life cycle.