SICK DFS20A-B1A1C001000 Incremental Encoder
Product Data Sheet for DFS2x Series
Product Overview
The SICK DFS20A-B1A1C001000 is an incremental encoder from the DFS2x series, designed for industrial automation applications. It provides precise measurement of rotation and position, featuring a robust mechanical design and reliable electronic interfaces.
A SICK DFS2x incremental encoder is shown. It is a compact, blue and silver device with a threaded connector on top and a shaft extending from the front, mounted on bearings. A label on the side shows product details.
Ordering Information
| Type | Part no. |
|---|---|
| DFS20A-B1A1C001000 | 1070319 |
For other models and accessories, visit www.sick.com/DFS2x.
Detailed Technical Data
Performance
| Pulses per revolution | 1,000 |
| Measuring step | ± 90° electronically/ppr |
| Measuring step deviation | ± 0.008° |
| Error limits | ± 0.03° |
| Initialization time | 40 ms 1) |
1) Valid positional data can be read once this time has elapsed.
Interfaces
| Communication interface | Incremental |
| Communication Interface detail | TTL RS-422 |
Electrical Data
| Connection type | Male connector, M12, 8-pin, radial 1) |
| Power consumption | 0.7 W (without load) |
| Supply voltage | 4.5 ... 5.5 V |
| Output frequency | 820 kHz |
| Reference signal, number | 1 |
| Reference signal, position | 180°, electric, gated with A |
| Code sequence | Clockwise |
1) Zero set possible, not for programmable devices.
Mechanical Data
| Mechanical design | Solid shaft, servo flange 2" |
| Shaft diameter | 1/4" |
| Weight | 0.4 kg (maximum) |
| Start up torque | 0.5 Ncm (+20 °C) |
| Operating torque | 0.3 Ncm (+20 °C) |
| Permissible shaft loading radial/axial | 40 N (axial) 80 N (radial) |
| Operating speed | 9,000 min-1 |
| Moment of inertia of the rotor | 15 gcm2 |
| Bearing lifetime | 3.6 x 109 revolutions |
| Angular acceleration | ≤ 500,000 rad/s2 |
Ambient Data
| EMC | According to EN 61000-6-2 and EN 61000-6-3 |
| Enclosure rating | IP65 (according to IEC 60529) |
| Permissible relative humidity | 90 % (Condensation not permitted) |
| Operating temperature range | -30 °C ... +85 °C |
| Storage temperature range | -40 °C ... +100 °C, without package |
| Resistance to shocks | 100 g, 11 ms (according to EN 60068-2-27) |
| Resistance to vibration | 30 g, 10 Hz ... 2,000 Hz (according to EN 60068-2-6) |
Classifications
| ECI@ss 5.0 | 27270501 |
| ECI@ss 5.1.4 | 27270501 |
| ECI@ss 6.0 | 27270590 |
| ECI@ss 6.2 | 27270590 |
| ECI@ss 7.0 | 27270501 |
| ECI@ss 8.0 | 27270501 |
| ECI@ss 8.1 | 27270501 |
| ECI@ss 9.0 | 27270501 |
| ETIM 5.0 | EC001486 |
| ETIM 6.0 | EC001486 |
| UNSPSC 16.0901 | 41112113 |
Dimensional Drawing
A technical drawing illustrating the dimensions of the SICK DFS2x incremental encoder. It shows the encoder body, shaft options (1/4", 3/8", 10mm) with corresponding flat dimensions, servo flange mounting, M12 connector, and MIL connector. Key dimensions are provided in millimeters and inches.
Shaft Options:
| Nominal Shaft "A" | Flat Dim "B" |
|---|---|
| 1/4" [6.327/6.312 (.2491/.2485)] | 5.5 [.22] |
| 3/8" [9.507/9.492 (.3743/.3737)] | 8.5 [.33] |
| 10MM [9.977/9.962 (.3928/.3922)] | 9 [.35] |
MIL Connector Options:
| Type | Dim "C" |
|---|---|
| 6 PIN | 63.9 [2.52] |
| 7 PIN | 63.9 [2.52] |
| 10 PIN | 69.4 [2.73] |
PIN Assignment:
View of the M12 connector on the encoder: A diagram showing the pin configuration for an 8-pin M12 connector, labeled with pins A through H.
View of the MS connector on the encoder: A diagram showing pin configurations for 6, 7, and 10-pin MS connectors, labeled with pins A through J.
Maximum Revolution Range
A graph titled "Maximum revolution range" plots "Steps per revolution" on the Y-axis against "Speed N [min⁻¹]" on the X-axis. The curve shows a decreasing number of steps per revolution as speed increases, indicating the operational limits.
Signal Outputs
Signal Outputs with Counter Clock-wise Counting Direction Option Selected (B leads A for clock-wise rotation). Complement signals AN, BN and ZN are not shown.
Diagram illustrating signal outputs A and B for an incremental encoder. The signals are shown as square waves with a 90° phase difference. A Z pulse (marker) is shown, occurring once per revolution. Different marker gating options are described for Type Codes A, B, and D, indicating the position of the Z pulse relative to signals A and B. The text notes that 'Cw with view on the encoder shaft in direction "A", compare dimensional drawing.'
Signal Outputs with Clock-wise Counting Direction Option Selected (A leads B for clock-wise rotation). Complement signals AN, BN and ZN are not shown.
Diagram illustrating signal outputs A, B, and Z for an incremental encoder. Signals A and B are square waves with A leading B by 90° for clockwise rotation. The Z pulse (marker) is shown. Different marker gating options are described for Type Codes 1 and 2, indicating the position of the Z pulse relative to signals A and B. The text notes that 'Cw with view on the encoder shaft in direction "A", compare dimensional drawing.'
About SICK
SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applications. A unique range of products and services creates the perfect basis for controlling processes securely and efficiently, protecting individuals from accidents and preventing damage to the environment.
With extensive experience across a wide range of industries, SICK understands customer processes and requirements, delivering intelligent sensors tailored to specific needs. Application centers in Europe, Asia, and North America test and optimize system solutions according to customer specifications, establishing SICK as a reliable supplier and development partner.
Comprehensive services include SICK LifeTime Services, providing support throughout the machine life cycle to ensure safety and productivity. For SICK, this commitment embodies "Sensor Intelligence."
Worldwide Presence
Find contacts and other locations at www.sick.com.
SICK AG | Waldkirch | Germany
