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 ...


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APPLICATION STORY
Danfoss meets accuracy requirements using Newall encoder technology

Danfoss meets accuracy requirements using Newall encoder technology

When Danfoss Bionics A/S, related to the global Danfoss Group, wanted to design a fast machine capable of cutting medical capillary tubes, the company opted to fit it with a Newall SHG-A2 abs...


Absolute Encoders for Feedback for CNC/PLC: SHG-A4 Linear Encoder

SHG-A4 Linear Encoder

RS485 meets the requirement of a multi-point communication network, which can have up to 32 drivers and 32 receivers on a single two-wire bus. A key feature is the ability to address individual devices. This model can be ordered with unique address tags. Developed to meet a wide range of feedback applications, the SHG-A4 absolute linear encoder provides 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.

Click here to learn more about Newall's Inductive Encoder Technology

Download SHG-A4 Linear Encoder Documents: SHG-A4 Protocol (pdf)
Newall Linear Encoder Brochure (pdf)
SHG-A_ Installation Manual (pdf)
Dimensional Drawing <100" travel (2540mm) (pdf)
Dimensional Drawing ≥100" travel (2540mm) (pdf)

 

 Specifications
Output Signal RS485
Accuracy/Meter
±0.0004", ±0.0002", ±0.0001"(±10µm, ±5µm, ±3µm)
Resolutions
10µm, 5µm, 1µm or 0.5µm
Scale Travels
4" to 137.8" (102mm to 3.5m)
Scale Diameter
0.601" (15.25mm)
Reader Head Dimensions
2.05"H x 5.16"L x 1.10"D (52mm x 131mm x 28mm)
Reference Marker
n/a
Maximum Traverse Rate
n/a
Power Supply
5VDC ±5%, <350mA
Shock (11ms)
100g (IEC 69-2-6)
Vibration (55-2000Hz)
30g (IEC 68-2-27)
Sample Period
50µs
Environmental Rating
IP67, fully submersible (IEC 529) - Exceeds NEMA 6
Operating Temperature
32° to 131°F (0° to 55°C)
Coefficient of Expansion
12 x 10-6K
Scale Material
316 stainless steel
Overall Scale Length
Scale travel length + 10.2" (258mm)
Standard Cable
15 core, 0.5m (20") non-armored  
Maximum Cable Length
65.6' (20m)
Standard Connector
15 pin "D" type
EMC Compliance
BS EN 61000-6-2 and BS EN 61000-6-4

 

 Options
Resolutions
Custom resolutions available
Armored Cable
Available on request
Connectors
• Honda PCR-E20FS (Fanuc)
IP67 (NEMA 6)
• None (flying lead)
Cable Lengths
3.5m (11.5') or 7m (22')

Quick and Easy Installation
The design of these linear encoders allow installment in almost any position, unlike glass-scale linear encoders, which usually need to be installed with the lip seal facing downwards to prevent contamination. Self-aligning fixing brackets allow virtually effortless scale mounting, needing only a single hole for each set of brackets



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