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Encoder
Benefits • IP67 rating (completely
sealed)• Withstands dust, dirt, oil and
other harshenvironmental
conditions• No mechanical wear characteristics• No more broken or scratched
glass scale• Requires no cleaning or maintenance• No air purge required • Tolerant to shock, vibration and
magnetic interference• Easy installation, no machined
surface or backerbar
needed |
| A
company of Schneider Electric |
| > | Linear Encoders | > | Incremental Linear Encoders | MHG-VV & MHG-VM |
MHG-VV & MHG-VM
Linear Encoders
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The MHG-VV and MHG-VM linear
encoders are intended for use with the SVV
and SVM converters.
The converter will output ~1Vpp (SVV) or 11µApp (SVM) sine/cosine
signals.
Specifications |
|---|
Output Signal |
MHG-VV = ~1Vpp; MHG-VM = 11µApp
sine/cosine |
|---|---|
Accuracy/Meter |
±0.0002" (±5µm) |
Resolutions |
20µm signal period |
Scale Travels |
2" to 40" (51mm to 1,016mm) |
Scale Diameter |
0.226" (5.75mm) |
Reader Head Dimensions |
1.38"H x 2.95"L x 0.98"D
(35mm x 75mm x 24mm) |
Reference Marker |
Every 0.19" (5mm) |
| Maximum Traverse Rate | 39.3"/second (0.99m/second) |
Power Supply |
5VDC ±5%, <290mA (with
SCC-100) |
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 |
Carbon fiber |
Overall Scale Length |
Scale travel length + 7.4" (187mm) |
Standard Cable |
9 core, 11.5' (3.5m) armored |
Maximum Cable Length |
72.2' (22m) |
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) |
Reference Marker
The diameter of the precision ball bearings making
up the signal conditioning elements of the scale defines the reference
marker location. A reference marker
generates each time the reader head travels one ball bearing pitch (5mm).
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.