RFX-6900 CANopen Contactless Magnetic Angle Sensor
Novotechnik RFX-6900 CANopen Magnetic Angle Sensor. Two-piece, 360°, non-contact Hall angle sensor.
Two-piece, non-contact Hall effect angle sensor: sensor and magnetic position marker, shaftless and bearing-free. Ø 69 mm, anodized aluminum housing. Electrical range up to 360°. IP67/IP69K protection. Encapsulated electronics.
Key points
- Contactless Hall technology, electrical range up to 360°
- Single or multi-channel version
- Two-piece design, mechanically decoupled
- Anodized AlMgSi1 aluminum casing
- IP67 / IP69K protection
- EMC: ISO impulses, ISO 11452 and ECE directive
Technical Frequently Asked Questions
What can be connected to the RFX-6900 CANopen magnetic angle sensor?
It can be connected to Novotechnik M12 connectors and cables and Novotechnik rotary sensor positioners (magnets).
How do I order the RFX-6900 CANopen magnetic angle sensor?
The order code has six fields: model, type, interface, parameters, speed, and connection. For example, RFX-6901-214-615-511 is the version with model 6901 (69 x 20.4 mm), CANopen, one position and one speed (one channel), 125 kBaud, and one shielded 5-pin M12 connector. All the options for each field are available in the order code configurator on this page.
Under what conditions does the RFX-6900 CANopen magnetic angle sensor operate?
Operating temperature: -40 … +105 °C. Protection: IP67 / IP69K (M12 connector: IP67).
Properties
| Feature | Specification |
|---|---|
| Measurement and interface | |
| Measured variables | Position and speed |
| Measuring range | 360° |
| Speed measurement range | 0 … 1600 rpm |
| Number of channels | 1 / 2 |
| Protocol | CANopen according to CiA DS-301 V4.2.0, DS-406 V3.2 device profile, Encoder Class C2, LSS services according to CiA DS-305 V1.1.2 |
| Programmable parameters | Position, speed, cams, working areas, direction of rotation, scale, offset, node ID, transmission speed |
| Node ID | 1 … 127 (default 127) |
| Transmission speed | 50 … 1000 kBaud |
| Update frequency (output) | 1 kHz |
| Resolution | 14 bits |
| Speed resolution | 360°/2^14 ≈ 0.022°/ms |
| Independent linearity | ≤ ±0.5 % FS |
| Repeatability | ≤ ±0.1° |
| Hysteresis | ≤ ±0.1° |
| Temperature error | ±0.2 % FS |
| Feeding and protection | |
| Supply voltage Ub | 12/24 VDC (8 … 34 VDC) |
| Current consumption when connected | ≤ 50 mA |
| Power consumed without load | < 0.4 W |
| Overvoltage protection | 45 VDC (permanent) |
| Reverse polarity protection | Yes (feed lines) |
| Short circuit protection | Yes (output to GND and supply voltage up to 40 VDC) |
| Insulation resistance (500 VDC) | ≥ 10 MΩ |
| Internal bus termination | 120 Ω (optional) |
| Mechanical data | |
| Housing | Anodized AlMgSi1 aluminum, resistant to salt spray |
| Fixation | 3 M4 screws, min. thread depth 7 mm |
| Tightening torque of the fastener | 250 ± 50 Ncm |
| Mechanical tour | Continuous |
| Weight | approx. 200 g |
| Electrical connection | Cable with cable gland, 4x 0.5 mm² (AWG 20), TPE, shielded, or M12x1 connector, A coding |
| Environmental conditions | |
| Working temperature | -40 … +105 °C |
| Maximum working speed | Mechanically unlimited |
| Vibration IEC 60068-2-6 | 20 g, 5 … 2000 Hz, Amax = 0.75 mm |
| IEC 60068-2-27 Shock | 50 g, 6 ms |
| DIN EN 60529 protection | IP67 / IP69K (M12 connector: IP67) |
| MTTF (IEC 60050) | 842 years (one channel) or 818 years (two channels, per channel) |
| Traceability | Serial number on the label: production batch of the sensor assembly and its components |
| Electromagnetic compatibility | |
| ISO 10605 ESD (handling/component) | 8 kV |
| ISO 11452-2 Radiated HF fields | 100 V/m |
| ISO 11452-5 Radiated HF fields, stripline | 200 V/m |
| CISPR 25 Radiated emission | Level 4 |
| ISO 7637-2 Impulses in the feed lines (1, 2a, 2b, 3a, 3b, 4, 5) | Level 3 |
| ISO 7637-3 Impulses on output lines | Level 4 |
| EN 13309 Construction machinery, emission and resistance E1 | According to ECE-R10 |
| ISO 13766-1/-2 Construction machinery | Made to order |
| Working distances | |
| Marker | Working distance (mm) |
| P02, P04, P08, P20, P23, P31 | 0.3 … 3.5 |
| P18, P28 | 0 … 2.5 |
| P22 | 2.6 … 7.3 |
| Option | Meaning |
|---|---|
| Example: RFX-6901-214-615-511 = model 6901 (69 x 20.4 mm), CANopen, 1 position and 1 speed (one channel), 125 kBaud and 1 shielded 5-pole M12 connector. | |
| 1. Model and size | |
| 6901 | 69 x 20.4 mm |
| 2 · Type | |
| 214 | Fixed value of type RFX-69__-214-6__-___ |
| 3 · Interface | |
| 6 | CANopen |
| 4 · Interface parameters | |
| 1 | One channel: 1x position, 1x speed |
| 5 | One channel: 1x position, 1x speed, with 120 Ω bus termination |
| 2 | Two channels: 2x position, 2x speed |
| 6 | Two channels: 2x position, 2x speed, with 120 Ω termination |
| 5 · Transmission speed | |
| 1 | 1000 kBaud |
| 2 | 800 kBaud |
| 3 | 500 kBaud |
| 4 | 250 kBaud |
| 5 | 125 kBaud |
| 7 | 50 kBaud |
| 6. Electrical connection | |
| 201 | 1 output: 1x 4-pole cable, 1.0 m, shielded |
| 511 | 1 output: 1x M12 5-pole shielded connector |
| 301 | 2 outputs (CAN IN/OUT): 2x 4-pole cable, 1.0 m, shielded |
| 611 | 2 outputs (CAN IN/OUT): 2x M12 (male) 5-pole shielded connector |
| The code is formed using one option from each field, in the order shown in the example. Contact us and we will confirm the exact reference. | |


Related documentation, cases, and guides
Technical documentation
- Novotechnik General Catalogue: Linear and Angular Position Sensors
- Technical definitions of potentiometers: linearity, RGV and hysteresis
- Novotechnik position sensors with IO-Link interface
- Position sensors for valves and actuators: Novotechnik series
- Novotechnik linear and rotary sensors for automotive applications
Other products









