HEIDENHAIN ROQ 425 512 27S17-93 326171-01

HEIDENHAIN ROQ 425 Absolute Rotary Encoder

Description

The HEIDENHAIN ROQ 425 is a high-performance, multiturn absolute rotary encoder designed for industrial applications requiring precise and reliable position measurement. It provides absolute position values immediately upon power-up, eliminating the need for reference runs. Its robust construction ensures long-term stability and performance in challenging environments.

Specifications

• Manufacturer: HEIDENHAIN
• Model: ROQ 425
• Part Number: 326 171-01
• Interface: SSI (Synchronous Serial Interface)
• Resolution (Single-Turn): 13 bits (8192 steps per revolution)
• Resolution (Multi-Turn): 12 bits (4096 revolutions)
• Supply Voltage: 10V to 30V DC
• Shaft: Solid shaft
• Connector: 17-pin male flange socket

Label Info

• Type: ROQ 425 512 27S17-93
• Id.Nr.: 326 171-01
• S.Nr.: 8 538 513 C W9

Application

This encoder is ideal for use in machine tools, robotics, automated manufacturing systems, and any application where precise angular position is critical.

Country of Origin

Made in Germany.

CO2 Impact

By purchasing this pre-owned encoder, you are helping to avoid the CO2 emissions associated with manufacturing a new one, contributing to a more sustainable industrial sector.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the resolution of the HEIDENHAIN ROQ 425 326 171-01?

This encoder has a single-turn resolution of 13 bits (8192 steps per revolution) and a multi-turn resolution of 12 bits (tracking up to 4096 revolutions).

What is the difference between the SSI interface on this encoder and an EnDat interface?

SSI (Synchronous Serial Interface) is a unidirectional digital interface for sending absolute position data. EnDat is a bidirectional HEIDENHAIN interface that can transmit position values, read and write parameters, and perform diagnostic functions, offering more advanced capabilities.

How can I verify the functionality of this encoder before installation?

Functionality can be verified using a compatible PLC, controller, or a dedicated encoder tester that supports the SSI protocol. By rotating the shaft and monitoring the output data stream, you can confirm it is providing correct and consistent position values.

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Last Update: Friday, March 13, 2026