PRODUCT SPOTLIGHT
Newall Adds Innovative Feature for Turning Applications

Newall Adds Innovative Feature for Turning Applications

Building on the feedback from our customers, Newall has added an innovative new feature to the DP700 DRO. Tool Datum Memory enhances the way tool offsets are used during turning operations when ...


NEWALL NEWS
Newall Transitions to ISO 9001:2015 – Quality Management Systems

Newall Transitions to ISO 9001:2015 – Quality Management Systems

Newall Measurement Systems is pleased to announce the achievement of the ISO 9001:2015 Quality Management Systems Standard Certification. The transition to the new ISO 9001:2015 standard this June co...


APPLICATION STORY
Tackling Tough Demands Of Big Machining At T3 Energy

Tackling Tough Demands Of Big Machining At T3 Energy

Preferred Industries was purchased by T3 Energy Systems in late 2002. T3 has approximately 25 locations in North America. The Houma, LA location employs approximately 110 people; they bui...


Absolute Encoders for Feedback for CNC/PLC

SHG-A2 Absolute Linear Encoder

Developed to meet a wide range of feedback applications, Newall's Absolute linear encoders provide a true absolute position immediately upon power-up. The encoder does not use batteries or static memory to retain the positional data. True position can be reacquired once power is applied, regardless of duration or power-off movements.


The encoder is ideally suited for linear motor and other high velocity measurement applications including CNC/PLC feedback, pick and place machines, automotive transfer lines, packaging machines, PC-based systems and more.

 

 Signal
Model
Description

How Do They Work?
Uniquely coded inserts are placed between the precision balls in the scale. The inserts contain a small magnet that can be detected by a series of hall sensors contained in the reader head. The density of the inserts and the detectors within the reader head allows the encoder to determine fully absolute position. 

Once the encoder has determined the true absolute position it is then a matter for the Digital Signal Processor (DSP) to handle communication of the positional data to the controller.  Being a DSP based absolute system capable of a high level of processing; the encoders are error mapped during manufacturing against a laser interferometer. This error map is stored in FLASH memory allowing it to be applied in real-time thus resulting in a highly accurate encoder.  



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