High Precision Induction Encoder Resistance To Dust Water And Oil Pollution
1. Product overview
Inductive encoder is composed of excitation coil, induction coil and code disk reflector.
The code disk reflector causes magnetic field deflection, and the deflection angle is different at different positions.
The differential induction coil induces the voltage signal associated with the code disk position. The induction encoder analysis circuit is composed of precision excitation circuit, induction signal collection circuit, high-speed synchronous rectification current, amplification and conditioning circuit, analysis circuit, communication circuit, etc. the sine and cosine induction circuit is composed of two groups of sensor circuits, each group of which is composed of differential sine and cosine.
The two groups of sensor circuits have mutually prime cycle numbers, which can identify the absolute zero position of a single turn and can have partial self-correction function.
The accuracy of inductive encoder is related to its induction principle and diameter. The larger the diameter, the higher the accuracy can be achieved.
At the same time, since it has no bearing, the accuracy is also closely related to the installation. Especially important is the eccentricity of the induction encoder after installation and the radial runout of the measured shaft. After the inductive encoder is installed, there will be a certain deviation between the encoder and the shaft. In addition, the shaft size and shape error of the customer also increase the eccentricity error.
2. Induction encoder specification
Integrated package
| | EIS 16 | EIS 25 | EIS 37 | EIS 40 | EIS 58 | EIs 9o | EIS 130 |
| External diameter | 16 | 25 | 37 | 40 | 58 | 90 | 130 |
| Internal diameter | 4 | 6 | 10 | 10 | 20 | 50 | 90 |
| Thickness(mm) | 8 | 7 | 8 | 10 | 10 | 10 | 10 |
| Communication | RS485/Biss -C/SSl |
| Maximum speed(rpm) | 6000 | 6000 | 4000 | 4000 | 4000 | 3000 | 1500 |
| Resolution (bits) | 17 | 17/19 | 17/19 | 17/19 | 19/21/23 | 21/23 | 23 |
Package split type
| | EIF37 | EIF 58 | EIF 75 | EIF 90 | EIF 100 | EIF 125 | EIF 150 | EIF 300 |
| External diameter | 37 | 58 | 75 | 90 | 100 | 125 | 150 | 300 |
| Internal diameter | 8 | 12.5 | 25 | 40 | 50 | 75 | 110 | 250 |
| Thickness(mm) | 11.25 | 14.6 | 15.4 | 15.4 | 15.4 | 15.4 | 154 | 16.4 |
| Communication | RS485/Biss -C/SSI |
| Maximum speed(rpm) | 9000 | 9000 | 9000 | 7200 | 7200 | 6000 | 5000 | 4500 |
| Resolution (bits) | 17/19 | 19/21/23 | 21/23 | 21/23 | 21/23 | 23 | 23 | 23 |
Open type
| | EIC25 | ElC40 | EIC 60 | EIlC 100 |
| External diameter | 25 | 40 | 60 | 100 |
| Internal diameter | 10 | 15 | 25 | 50 |
| Thickness(mm) | 6 | 6 | 6 | 8 |
| Communication | RS485/Biss -C/SSl |
| Maximum speed(rpm) | 6000 | 6000 | 4000 | 4000 |
| Resolution (bits) | 17 | 19/21 | 21/23 | 23 |
3. Parameter table
| General parameters | | Electrical parameters | |
| Resolving power | 17 / 19 / 21 / 23 bits | Supply voltage | 5V main 5% |
| System accuracy | 0.02 ° (standard) | Current consumption | 90mA |
| Maximum allowable speed | 9000 rpm | Connector type | Shielded twisted pair |
| Single turn / multi turn | Single lap | | |
| Mechanical parameters | | External environment | |
| Allowable installation eccentricity | 0.1mm | EMC standard | IEC6100-6-2/4 |
| Allowable axial installation error | 0.1mm | Working temperature | -45°℃-+85°℃ |
| Rotor inertia | 4.8E-O5 kgm2 | Storage temperature | -55°C-+125℃ |
| Total weight | 150g | Humidity | 0~99% non condensing |
| Od / ID / height | See specific specifications | To attack | 100g 11ms |
| Material Science | Shell aluminum alloy | Shock | 20g 10-2000Hz |
| | | Protection level | P65 |
4. Induction encoder naming method
| E | l | S | A- | 058- | S | 21 |
| | Type: inductive type
O: photoelectric type
M: magnetoelectric type | Packaging style:
S: integrated packaging; C: open packaging;
F: separated packaging | Occurrence mode:
A: radial outgoing line 250mm (scattered line);
B: radial outgoing line 500mm (scattered line);
C: axial outgoing line 250mm (scattered line);
C: axial outgoing line 500mm (scattered line) | Outer diameter dimension 25: 16-25mm
36: 35-40mm
58: 55-60mm
87: 80-100mm
130: 120-150mm
300: 300mm | Model output
S: SSI
B: biss-c
R: RS485 (compatible with NRZ)
O: other | Resolution: 17:17bits, 19:19bits, 21:21bits, 23:23bits
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FAQ
Q: how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment.
Q: what services can we provide?
A: Accepted Delivery Terms: By express or air or sea；
Accepted Payment Currency:USD.
Q: Can I buy one as sample?
A: Of course.
Q: How is your quality control?
A: Our professional QC will check the quality during production and carry out quality test before shipment.
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