Part no.: Netzer DS-70
• 70 mm diameter
• SSI, BiSS-C
• Up to 21 bit resolution
• High tolerance to EMI, RFI and magnetic fields
The DS-70 is a member of the DS series of Electric Encoders a product line based on Netzer Precision Motion Sensor proprietary technology. Lightweight, compact and high performance (19 bit resolution) these encoders provide unparalleled performance. The Electric Encoder is unique in being holistic, i.e., its output reading is the averaged outcome of the whole area of the rotor, This feature makes the Electric Encoder™ forgiving to mounting tolerances, mechanical wander etc. The absence of components such as ball bearings, flexible couplers, glass disc, light sources and detectors, along with very low power consumption makes the Electric Encoder virtually failure free. The internally shielded, DC operated Electric Encoder includes an electric field generator, a field receiver, a sinusoidal shaped dielectric rotor, and processing electronics. The output of Electric Encoder is a digital serial with absolute position single turn. The combination of precision, low profile, low weight and high reliability have made Netzer Precision encoders particularly suitable to a wide variety of industrial automation applications.
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Technical Note: Intrinsically Safe vs. Inherently Safe Sensors
Intrinsically safe (IS) sensors are designed to operate safely in hazardous areas where there is a risk of explosion. IS sensors limit the amount of electrical and thermal energy that can be released in the event of a fault, to a level below that which is capable of igniting flammable gases, vapors, or dust.
What is a multiturn rotary encoder?
A multiturn rotary encoder is a sensor that measures the angle of rotation of a shaft, as well as the number of complete revolutions that the shaft has made. This is in contrast to a single-turn encoder, which only measures the angle of rotation, 0 – 360°. Multiturn encoders are used in a variety of applications where it is important to track the position of a moving object, such as in machine tools, robotics, and automation systems.
Inductosyn vs Modern Rotary Encoders
An Inductosyn is type of inductive position sensing device from Farrand Controls/ Ruhle Companies. Inductosyns work using the same basic physics as a transformer using planner arrays of inductive windings.
SSI hardware is fairly simple. Just use any RS-422 transceiver to generate the differential signals from/to the microcontroller port pins. Keep reading to learn about the different implementations of SSI hardware.