When replacing 823776-01 RHA 507, EncoderWorks provides a custom compatible replacement solution focused on maintaining parallel Gray output behavior, PT connector integration, and Ø14 mm blind hollow shaft mechanical compatibility. The replacement challenge is not only matching the 13-bit absolute position output, but also preserving individual bit signal mapping, connector configuration, and stator coupling conditions required by the existing control system. A parallel encoder may output valid electrical signals while incorrect bit interpretation or mechanical mismatch still affects position accuracy.


System Limits
Parallel encoder replacement depends on maintaining consistent position data transmission between the encoder and the controller. The 823776-01 RHA 507 uses a 13-bit singleturn resolution structure with Parallel Gray output. Bit assignment, Gray code interpretation, code sequence direction, and supply compatibility must be matched because differences in signal mapping can result in incorrect position values or require additional controller-side adjustments.
The mechanical integration boundary includes hollow shaft fit, stator coupling, and connector installation. This model uses a Ø14 mm blind hollow shaft with a 58/59 flange and stator coupling structure, together with an axial PT 19-pin 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
The parallel interface requires verification of individual bit signal assignment, power supply, code sequence, and chassis shield connections. The configuration uses a 19-pin PT connector with dedicated wiring for Bit 1 through Bit 13, supply voltage, 0 Volt, code sequence, and shield. Incorrect bit mapping, signal direction mismatch, poor shielding, or improper grounding may result in incorrect position output or unstable system operation.
During replacement installation, the Ø14 mm blind hollow shaft and stator coupling interface should be checked against the existing machine structure. The axial PT connector installation, mounting stability, cable protection, and vibration conditions should be considered together to maintain reliable position measurement in industrial applications.
Custom Compatible Solution
- Match Parallel Gray output behavior and controller-side bit signal interpretation.
- Preserve 13-bit singleturn position structure and code sequence configuration.
- Adapt Ø14 mm blind hollow shaft, 58/59 flange with stator coupling, and PT connector requirements.
- Validate bit mapping, connector wiring, shielding, and grounding conditions.
Typical production lead time: 15 working days.
Key Data
| Parameter | Specification |
|---|---|
| Model | 823776-01 RHA 507 |
| Encoder Type | Absolute Singleturn Encoder |
| Interface | Parallel Gray |
| Resolution | 13 bit Singleturn |
| Output Format | Gray Code |
| Shaft Type | Ø14 mm Blind Hollow Shaft |
| Flange Type | 58/59 Flange with Stator Coupling |
| Connection | 19-pin PT Connector |
| Supply Voltage | 9–36 VDC |
| Protection | IP67 / IP66 |
| Main Replacement Focus | Parallel signal mapping, PT connector integration, and hollow shaft adaptation |

