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You are here: Home / Encoders / Rotary encoders, inclinometers now with Modbus RTU interface

Rotary encoders, inclinometers now with Modbus RTU interface

August 11, 2020 By Miles Budimir Leave a Comment

POSITAL has expanded its range of absolute rotary encoders and inclinometers to include support for the common Modbus RTU communications interface.

Modbus RTU is a low-cost, easy-to-implement communications protocol that’s commonly used in small to mid-sized control systems (up to 32 nodes). Available for almost four decades, it’s supported by many PLC manufacturers and has been used in a wide range of applications, ranging from solar panel positioning to controls for packaging systems and mobile machinery. The Modbus RTU protocol makes use of the RS485 transmission standard with unshielded twisted-pair cabling. This combination can communicate reliably over distances of up to 1,200 m, even in the presence of electromagnetic interference (EMI).

encoders

POSITAL IXARC encoders with Modbus RTU interfaces are available in a wide range of mechanical configurations. Designers can select exactly what they need in terms of the housing material and level of environmental protection, shaft type and diameter, mounting flange and connector type. They can also choose between single- and multi-turn measurement ranges. For multi-turn models, the rotation counter is powered by energy harvested from the rotation of the device’s shaft, eliminating the need for backup batteries and reducing maintenance costs.

POSITAL’s Modbus support also extends to the company’s TILTIX range of inclinometers. These devices are used in material handling equipment, solar panels, safety systems for mobile machinery and anywhere else it is important to monitor the tilt angle of equipment or components.

For more information, visit www.posital.com.

 

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