The RMU300 is an absolute multiturn encoder with a solid shaft designed for high-resolution rotary position measurement. It provides 65,536 steps per revolution and 32,768 revolutions for a total 31-bit resolution. IO-Link communication enables digital parameterisation and process-data access. The encoder uses an M18-class mechanical format with a 6 mm solid shaft. Its 0.1° accuracy and 12,000 rpm maximum electrical speed support demanding motion-control applications.
Explore performance details, construction highlights, applications, and technical information in one clear overview.
The RMU300 provides detailed angular position information over multiple shaft rotations. Its absolute architecture provides a defined position value. Multiturn measurement allows extended rotational travel to be monitored. This is useful for machine axes and positioning systems. The encoder supports precise rotary feedback.
IO-Link provides digital access to encoder parameters. Configuration can be performed through the automation system. Process information can be incorporated into PLC control logic. Diagnostic information can assist maintenance. This makes the RMU300 suitable for smart industrial machines.
The 6 mm solid shaft provides a compact mechanical interface. It can be coupled directly to compatible rotating machine components. The encoder is designed for industrial rotary measurement. Its construction supports continuous machine operation. Correct shaft alignment helps maintain measurement accuracy.
Absolute multiturn measurement
High-resolution position feedback
6 mm solid shaft
IO-Link communication
Digital parameterisation
Rotary position measurement
Speed monitoring
Direction monitoring
Compact construction
Industrial automation compatibility
Machine-axis positioning
Servo systems
Motor feedback
Rotary tables
Robotics
Conveyor systems
Material handling
Motion control
The RMU300 is suitable for machines requiring accurate rotary position information. Absolute measurement reduces dependence on reference runs. Multiturn capability extends the measurable rotational range. IO-Link simplifies configuration. This combination supports precision machine automation.
The encoder can be integrated into IO-Link-based control architectures. Parameter settings can be managed electronically. Process data can be used by PLC and motion controllers. Diagnostics support maintenance workflows. This improves flexibility during machine commissioning and servicing.
| Specification | Value |
|---|---|
| Model | RMU300 |
| Encoder type | Absolute multiturn |
| Resolution | 65,536 steps/revolution |
| Multiturn range | 32,768 revolutions |
| Total resolution | 31 bit |
| Communication | IO-Link |
| IO-Link revision | 1.1 |
| Transmission | COM3, 230.4 kBaud |
| Shaft design | Solid shaft |
| Shaft diameter | 6 mm |
| Operating voltage | 18–30 V DC |
| Current consumption | <75 mA |
| Rated insulation voltage | 30 V |
| Protection class | III |
| Reverse polarity | Yes |
| Power-on delay | 1,000 ms |
| Max. electrical speed | 12,000 rpm |
| Short-circuit protection | Yes |
| Accuracy | 0.1° |
| Position type | Absolute |
| Measurement type | Multiturn |
| Detection | Magnetic/absolute |
| Housing | Cylindrical |
| Mounting | Solid shaft |
| Parameterisation | IO-Link |
| Preset | Yes |
| Zero point | Yes |
| Direction setting | Yes |
| Speed measurement | Yes |
| Industrial interface | IO-Link |
| Manufacturer | IFM |
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