While servomotors remain the gold standard for precision motion control in industrial machinery, the improved performance of stepper motors is making these lower-cost devices an increasingly attractive alternative for many applications. The key to these performance gains is the addition of rotation-measuring encoders, especially the new absolute multi-turn kit encoders from POSITAL.
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About FRABA and POSITAL
POSITAL is a supplier of advanced industrial position sensors used in a wide variety of motion control and safety systems. The company is also an innovator in product design and manufacturing processes and a pioneer of Industry 4.0 (Industrial Internet of Things/IIoT), offering customers the benefits of built-to-order products combined with the price advantages of mass-production. POSITAL is a member of the international FRABA group, whose history dates back to 1918, when its predecessor, Franz Baumgartner elektrische Apparate GmbH, was established in Cologne, Germany to manufacture relays. Since then, the company has played a trendsetting role in the development of rotary encoders, inclinometers and other sensor products. POSITAL has a global reach with subsidiaries in Europe, North America and Asia – and sales and distribution partners around the world.
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POSITAL has added a new communications interface for its innovative Dynamic TILTIX series - making it even easier to use these smart and rugged instruments in mobile machinery and heavy duty construction vehicles. Now available with either CANopen or SAE J1939 interfaces, these acceleration-compensated tilt sensors are able to deliver accurate measurement under the harshest operating conditions, including rapid motions, shock and vibration loadings.
Encoder specialist POSITAL has expanded its line of kit-style encoders for feedback for servo and stepper motors with new models that utilize the same mounting form factor as incremental kit encoders from US Digital, Broadcom and other manufacturers. This makes it very easy to upgrade a motion control application from incremental to absolute position control.
POSITAL's IXARC new magnetic absolute encoders with CANopen interfaces are now available with an optional "connection cap" that makes device configuration and troubleshooting simpler and more intuitive.
Rotary encoder specialist POSITAL has expanded its interface offerings for its magnetic Kit Encoders, launched with great success last year, with support for the non-proprietary open-source BiSS Line communication protocol. This enables the practical implementation of single-cable technology, which is becoming increasingly popular with motor and robot manufacturers.
POSITAL has added support for the Modbus RTU communications protocols to its popular TILTIX family of inclinometers (tilt sensors). Modbus RTU protocols, which are openly published and royalty-free, have emerged as a de-facto standard for simple, robust and cost-efficient data acquisition and control systems built around standard PLCs. Modbus RTU nodes can be connected together through RS-485 serial connections with up to 32 devices connected to the bus.
POSITAL has added an optional analog electronic interface to its range of explosion-proof IXARC rotary encoders. These devices have been designed to comply with ATEX directives for Category 3 electrical products and are suitable for Zone 1 and Zone 21 conditions (i.e. potential exposure to hazardous levels of explosive gases and dust concentrations). Available housing materials include aluminum and Types 303 or 316 stainless steel. The housings are designed to contain any electrical sparking and to prevent dust from entering the devices.
POSITAL-FRABA’s versatile TILTIX inclinometers are available packaged in extra-rugged die-cast aluminum housings designed to withstand accidental impact loads from tools, rocks or unsecured pieces of equipment.
POSITAL’s heavy-duty absolute rotary encoders feature shock- and vibration-resistant magnetic measuring elements housed in rugged 316L stainless steel housings that make them ideal for use in harsh environments. With highly effective seals on the shaft entry and cable connection (IP68 and IP69K level protection), these devices are capable of withstanding salt water, acid, dirt, dust, even water jets and aggressive cleaning procedures. Mounted on sturdy ball-bearings, the shaft can withstand mechanical forces of up to 300 N (67 pounds).