SICK DFS60S Pro Safety Encoder – SIL2 High-Resolution Sin/Cos Feedback
The SICK DFS60S Pro safety encoder is a safety-rated rotary encoder engineered for precise motion feedback in applications where human and machine safety are critical. Designed to meet SIL 2 and PL d requirements, it addresses the risk of undetected position or speed errors in rotating systems. By combining a compact blind hollow-shaft design with high-resolution Sin/Cos output, the DFS60S Pro ensures accurate angular information even in harsh industrial environments. It is purpose-built for machines that require dependable safety feedback to support compliant, controlled, and predictable motion.
In demanding industrial operations, the SICK DFS60S Pro safety encoder helps prevent hazardous machine behavior by delivering reliable, safety-verified motion data. Its fine angular resolution supports precise speed and position monitoring, enabling safety controllers to react quickly to abnormal movement. The robust mechanical construction tolerates vibration, shock, and temperature fluctuations commonly found in factory settings. This results in long-term signal stability, reduced maintenance intervals, and improved system availability, while simplifying the implementation of functional safety concepts across automated machinery and motion-driven equipment.
Why SICK DFS60S Pro?
The SICK DFS60S Pro is chosen when motion feedback must be both highly precise and safety-certified. It combines fine angular resolution with built-in compliance to SIL 2 and PL d requirements, allowing engineers to design safer machines without adding complex external components. Its robust mechanical design, stable Sin/Cos signal quality, and long operational lifetime make it a dependable choice for applications where downtime, recalibration, or safety uncertainty are simply not acceptable.
What problem does it solve?
The SICK DFS60S Pro solves the critical challenge of reliably monitoring rotational movement in safety-critical machinery. In systems where uncontrolled motion can cause injury, equipment damage, or regulatory non-compliance, conventional encoders are not sufficient. This safety encoder provides trustworthy position and speed feedback that safety controllers can rely on to detect faults, overspeed, or incorrect direction early, enabling timely shutdowns and maintaining safe operating conditions throughout the machine’s lifecycle.
Key Features & Specifications – SICK DFS60S-BDOK01024 Pro Safety Encoder (Part No. 1069536)
| Feature | Details | Benefit |
|---|---|---|
| Safety Integrity Level | SIL 2 (IEC 61508), SILCL2 (IEC 62061) | Enables compliant integration into safety-critical machinery and motion systems |
| Performance Level | PL d, Category 3 (EN ISO 13849) | Supports high-risk applications requiring redundant and fault-tolerant safety design |
| Encoder Type | Safety rotary encoder, incremental | Reliable motion feedback for speed, direction, and position monitoring |
| Signal Interface | Sin/Cos 1.0 Vpp, differential, 6-channel | High signal quality for early fault detection and precise interpolation |
| Resolution | 1,024 sine/cosine periods per revolution | Ensures smooth, high-precision motion evaluation |
| Safety Accuracy | ±0.09° (safety-related) | Accurate detection of unsafe motion conditions |
| Measuring Step | 0.09° (safety), 0.3″ for interpolation | Fine granularity improves control and safety response |
| Output Frequency | Up to 153.6 kHz | Suitable for high-speed rotating applications |
| Mechanical Design | Blind hollow shaft, 10 mm with feather key | Simple, secure mounting on drive shafts |
| Housing Protection | IP65 | Reliable operation in dusty or wash-down industrial environments |
| Operating Speed | Up to 6,000 rpm | Supports fast-moving machinery without signal loss |
| Operating Temperature | −30 °C to +85 °C | Stable performance across wide industrial temperature ranges |
| Supply Voltage | 4.5 … 32 V DC | Flexible integration with different control architectures |
| Power Consumption | ≤ 0.7 W (without load) | Energy-efficient operation with minimal heat generation |
| Mechanical Robustness | Shock 100 g, vibration 30 g | Maintains accuracy under harsh mechanical stress |
| Bearing Lifetime | Approx. 3.6 × 10⁹ revolutions | Long service life reduces maintenance and replacement costs |
Download SICK DFS60S-BDOK01024 (1069536) Datasheet
Commercial Information – SICK DFS60S-BDOK01024 Pro Safety Encoder
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084396250 |
| Weight | 0.380 kg |
| Country of Origin | Germany |
The Applications of the SICK DFS60S Pro Safety Encoder
1. Safe Speed Supervision in Automated Conveyor Systems
In large automated conveyor lines used for material handling and intralogistics, uncontrolled speed or unexpected reverse motion can create serious hazards. The SICK DFS60S Pro safety encoder is mounted on the drive shaft to continuously monitor rotational speed and direction. Its safety-rated accuracy allows the control system to reliably detect overspeed conditions and trigger controlled stops before unsafe situations escalate. The high-quality Sin/Cos feedback remains stable during frequent acceleration and deceleration cycles, while the rugged housing tolerates vibration, dust, and long operating hours common in industrial conveyor environments.
2. Motion Safety for Industrial Hoists and Lifting Axes
Hoists, winches, and lifting platforms require dependable motion feedback to prevent load drops or dangerous overspeed during lifting and lowering. The DFS60S Pro is used on motor or gearbox shafts to provide precise, safety-certified speed monitoring. When abnormal movement or excessive speed is detected, safety controllers can immediately activate braking functions. Its resistance to shock and mechanical stress makes it suitable for applications where load changes are frequent. This results in safer vertical motion control, reduced mechanical wear, and improved operator protection in lifting equipment.
3. Controlled Operation of Packaging Machines During Access
High-speed packaging machines often allow limited movement when safety guards are open for setup or cleaning. The DFS60S Pro enables safe reduced-speed operation by delivering accurate motion feedback even at very low speeds. Its fine resolution ensures smooth monitoring during inching or jog modes, allowing machines to remain productive without sacrificing safety. The encoder’s long service life supports continuous multi-shift operation, while its stable signal quality helps prevent nuisance stops caused by unreliable feedback during frequent start-stop cycles.
4. Safety Monitoring of Rotary Index Tables in Assembly Lines
Rotary index tables used in automated assembly must stop immediately if unexpected motion occurs while operators load or unload parts. The DFS60S Pro safety encoder provides precise angular position and speed feedback that safety systems can trust. If unintended rotation is detected, the machine can be brought to a safe state instantly. The blind hollow-shaft design simplifies mechanical installation, and the wide temperature tolerance ensures consistent performance across varying factory conditions, improving both operator safety and overall process reliability.
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