812181-01 RHA 507 SSI Connector Integration

EncoderWorks provides a custom compatible replacement solution for 812181-01 RHA 507 focused on maintaining SSI Gray communication behavior, PT connector integration, and Ø10 mm blind hollow shaft mechanical compatibility. The replacement challenge is not only matching the 13-bit absolute position output, but also preserving SSI clock/data timing, connector pin assignment, and controller-side position interpretation. SSI feedback can be electrically available while incorrect signal mapping or mechanical adaptation still causes position errors.

System Limits

SSI replacement reliability depends on maintaining consistent serial communication between the encoder and the controller. The 812181-01 RHA 507 uses SSI Gray output with 13-bit singleturn resolution and a 5 VDC supply configuration. Clock timing, inverted clock/data signals, hold function, code sequence direction, and connector pin assignment must be matched because differences in SSI data interpretation can result in incorrect position values or additional commissioning work.

The mechanical integration boundary includes hollow shaft fit, stator coupling, and connector installation. This model uses a Ø10 mm blind hollow shaft with a 58/59 flange and stator coupling structure, together with an 8-pin PT connector. Shaft engagement, coupling alignment, connector orientation, cable routing, shielding, and grounding continuity should be maintained because mechanical mismatch or electrical interference can affect long-term feedback reliability.

Wiring & Installation

SSI integration requires verification of clock, inverted clock, data, inverted data, hold, code sequence, power supply, and 0 Volt connections. The configuration uses an 8-pin PT connector with dedicated SSI signal assignments. Incorrect pin mapping, missing inverted signal connections, poor shielding, or improper grounding may result in unstable serial communication or inaccurate position evaluation.

During replacement installation, the Ø10 mm blind hollow shaft and stator coupling interface should be checked against the existing machine structure. The PT connector installation, radial cable routing, vibration conditions, and environmental protection requirements should be considered together to maintain reliable SSI feedback performance.

Custom Compatible Solution

• Match SSI Gray communication behavior and controller-side serial data interpretation.
• Preserve 13-bit singleturn position structure and code sequence configuration.
• Adapt Ø10 mm blind hollow shaft, 58/59 flange with stator coupling, and PT connector requirements.
• Validate SSI timing, connector pin mapping, shielding, and grounding conditions.

Typical production lead time: 15 working days.

Key Data