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Defining Accuracy, Resolution & Repeatability

Defining Accuracy, Resolution & Repeatability ACCURACY IS NOT a simple subject. It's not enough to say that a particular scale is "extremely accurate" or "mor...


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Newall - The DRO of Choice at Rankin Technical College

Newall - The DRO of Choice at Rankin Technical College

Located in St Louis Missouri, Ranken Technical College was founded in 1907 by David Ranken Jr., as a private non-profit institution to train students for employment in a variety of...


Incremental Feedback Encoders for CNC/PLC: SHG-VS Linear Encoder

SHG-VS Linear Encoder

SHG-VS Incremental Linear EncoderThe SHG-VS linear encoder is intended for use with the SCC-200 module. The SCC-200 will output a ~1Vpp sine/cosine signal with a single reference marker. The encoder has a series of four selectable reference markers spaced every 25.4mm. The reference selected for the output reference is dependent on the rotational alignment of the scale relative to the reader head upon installation.

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Download SHG-VS Linear Encoder Documents: SCC-200 Datasheet (pdf)
Dimensional Drawing (<100" travel) (pdf)
Dimensional Drawing (≥100" travel) (pdf)
Installation Manual (pdf)
Newall Linear Encoder Catalog (Newall Linear Encoder Catalog)

 

 Specifications
Output Signal
~1Vpp from SCC-200 converter
Accuracy/Meter
±0.0004" (±10µm)
Resolution from the SCC-200
20µm signal period
Scale Travels
2" to 462" (51mm to 11.73m)
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
Single (select 1 of 4)
Power Supply
5VDC ±5%, <300mA (with SCC-200)
Shock (11ms)
100g (IEC 69-2-6)
Vibration (55-2000Hz)
30g (IEC 68-2-27)
Sample Period
100µs
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
9 core, 11.5' (3.5m) armored
Maximum Cable Length
82' (25m)
Standard Connector
9 pin "D" type
EMC Compliance
BS EN 50081-2 and BS EN 61000-6-2

 

 Options
Resolutions
Custom resolutions available
Non-Armored Cable
PUR (polyurethane)
Connectors
• Honda PCR-E20FS (Fanuc)
• IP67 (NEMA 6)
• None (flying lead)
Cable Lengths
22' (7m) or 19.68" (0.5m)

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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