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The PCV, PXV, and safePXV Data Matrix positioning systems from Pepperl+Fuchs use Data Matrix codes for precise positioning. They consist of a 2-D camera system, a read head, and Data Matrix code tape. This unique combination ensures the highest precision and incredibly reliable positioning.
The self-adhesive code tape is attached to a fixed part of the system or plant, such as the wall of an elevator shaft or the mounting rail of an electric monorail system (EMS). The 2-D read head is mounted on a "vehicle" that moves parallel to it, e.g., on the elevator car or on the carrier of the EMS. Code redundancy and large reading windows enable the PCV, PXV, and safePXV Data Matrix positioning systems to reliably detect position, even if the code tape is dirty or damaged. They can also easily bridge code tape gaps. The systems differ in reading window and Data Matrix code size: PXV and safePXV offer an even greater mounting tolerance with their large reading windows. The positioning systems can be parameterized via Data Matrix control code, PC, or the controller, which makes them easy to get up and running.
Typical applications for Data Matrix positioning systems include the positioning of skid and electric monorail systems, lifting and elevator systems, studio technology, and cranes.

Unparalleled Safety: Safe Version safePXV

For the first time, safePXV enables safe absolute positioning according to SIL 3/PL e with just a single sensor. This new safe version is based on a combination of 2-D camera technology and multicolor Data Matrix code tape. The preinstalled firmware checks the plausibility of the X position values using red and blue LEDs and then relays it to the safety-rated PLC. The data can then be processed in the PLC without additional plausibility checks-all because of the reliable, self-monitoring sensor technology.

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