Product Overview

The SICK ATM60 absolute encoder is a high-precision position sensor designed for accurate angular measurement in demanding industrial environments. It delivers reliable, repeatable positioning data using a 25-bit maximum permissible resolution, combining 12-bit single-turn and 13-bit multiturn encoding to achieve up to 8,192 steps per revolution. The encoder operates via SSI interface communication, enabling seamless integration into automation systems requiring precise position feedback. With a robust IP67 enclosure rating featuring a shaft seal, the ATM60 ensures protection against dust and water immersion under standard conditions. Its compact design and lightweight construction (0.5 kg) make it suitable for applications where space and weight are critical factors. As a standard product, it does not qualify as a safety component under the Machinery Directive, though its MTTFD of 150 years reflects long-term reliability based on nominal load and average ambient temperature of 40°C.

Key Features and Technology

The ATM60 leverages advanced absolute encoding technology to provide a unique combination of resolution and durability. With a maximum permissible resolution of 25 bits, it offers exceptional positional accuracy through either 13-bit single-turn or 12-bit single-turn combined with 13-bit multiturn encoding. This ensures precise measurement over full rotation cycles without requiring external reference points. The encoder's repeatability is characterized by a standard deviation σr of 0.1°, ensuring consistent performance across repeated measurements. Its SSI interface supports reliable, noise-resistant communication over short to medium distances. The design incorporates a male M23, 12-pin radial connector for secure and stable connection to control systems. This technology enables accurate position tracking in environments where mechanical or electrical interference may affect signal integrity.

Technical Characteristics

The SICK ATM60 absolute encoder features a maximum resolution of 8,192 steps per revolution (13-bit multiturn), with a total permissible resolution of 25 bits. It operates within a supply voltage range of 10 to 32 V DC and supports standard communication via the SSI interface. The encoder is available in two IP ratings: IP67 with shaft seal for full environmental protection, and IP43 or IP65 without shaft seal when mounted on an unsealed flange. Dimensions are specified in millimeters (inches), though exact values are not provided in the source material. The product has a standard MTTFD of 150 years according to EN ISO 13849-1, calculated under nominal load and average ambient temperature of 40°C. All electronic failures are considered hazardous due to their impact on position feedback integrity.

Configuration and Integration

The ATM60 encoder integrates directly into automation systems using its SSI interface and M23, 12-pin male radial connector for cable connection. A dedicated programming tool is available for configuring the ATM60, as well as the ATM90 and KH53 models, enabling setup of parameters such as resolution mode, communication settings, and calibration data. The encoder supports both single-turn and multiturn operation modes, allowing flexibility in application design. Integration requires standard SSI-compatible control systems or PLCs with appropriate interface modules. Cables must be properly terminated to ensure signal integrity and avoid noise interference. The programming tool ensures accurate setup of the encoder’s operational parameters without requiring physical access to the device during runtime.

Operating Environment

The ATM60 is designed for operation in industrial environments with ambient temperatures up to 40°C, under standard conditions assumed in MTTFD calculations. It features an IP67 rating with shaft seal, allowing submersion in water up to 1 meter for 30 minutes, making it suitable for wet or humid environments. The IP43 and IP65 versions offer dust protection and limited water resistance without a shaft seal, applicable when the encoder is mounted on a sealed flange. The product operates reliably within a supply voltage range of 10 to 32 V DC. It is not rated for use in explosive atmospheres or high-vibration environments unless specifically specified by the customer. Environmental performance is based on standard IEC 60529 ratings, ensuring robustness against dust and moisture ingress.

Industrial Applications

The SICK ATM60 absolute encoder is ideal for applications requiring precise angular position feedback in machinery such as robotic arms, conveyor systems, and precision positioning devices. Its high resolution and repeatability make it suitable for use in automated manufacturing lines where accurate motion control is essential. The robust enclosure and reliable communication interface support operation in harsh industrial settings. Applications include machine tool positioning, servo-driven actuators, and alignment systems where continuous position monitoring is required. Due to its compatibility with standard SSI interfaces and availability of a dedicated programming tool, it integrates easily into existing automation architectures without extensive reconfiguration.