A custom compatible encoder solution can be provided for the RVI84N-10CKNA2NN-00025 encoder used in intrinsically safe industrial systems requiring 25 PPR feedback with NAMUR signal characteristics. This service is intended for retrofit and maintenance programs where the replacement encoder must follow the original mechanical and electrical arrangement. Through installation-oriented engineering adaptation, a suitable solution can generally be delivered within 10–15 working days.
Technical Overview of the RVI84N-10CKNA2NN-00025 Encoder
The RVI84N-10CKNA2NN-00025 is a low-pulse incremental encoder intended for hazardous-area and intrinsically safe applications. The RVI84 series uses NAMUR interface technology and 2-wire A/B outputs, which are commonly selected in process-industry environments and installations with intrinsic safety barriers. RVI84
This configuration provides 25 pulses per revolution, which is suitable for basic speed feedback and rotational state monitoring. Compared with lower pulse-count options in the same family, it offers a denser pulse pattern while preserving the same intrinsically safe operating concept.
The encoder family uses a 10 mm shaft, clamping flange, and 2 m axial cable, supporting a compact and consistent mechanical installation format. RVI84


Industrial Integration Considerations
For the RVI84N-10CKNA2NN-00025, maintaining the original Ex-compatible wiring concept is often more critical than the mechanical side alone. Replacement work should therefore confirm the signal interface together with the connected NAMUR amplifier or evaluation unit.
Mechanical alignment should still be checked carefully to avoid shaft load problems and preserve long-term reliability.
Custom Compatible Encoder Solution
A custom compatible encoder solution can be engineered for systems currently using the RVI84N-10CKNA2NN-00025 configuration. Compatibility usually includes shaft interface, flange dimensions, cable arrangement, output structure, and pulse count.
This preserves the original machine and instrumentation concept while restoring reliable feedback performance. Additional customization can be included where local installation conditions require it.
Lead Time and Custom Development
Compatible encoder production for the RVI84N-10CKNA2NN-00025 configuration generally requires 10–15 working days. Engineering confirmation before production helps verify both fit and signal compatibility.
Typical Technical Parameters
| Parameter | Specification |
|---|---|
| Encoder Type | Incremental Rotary Encoder |
| Interface | NAMUR |
| Resolution | 25 PPR |
| Output Type | A + B, 2-wire NAMUR sensors |
| Supply Voltage | 8 VDC |
| Max Output Frequency | 5 kHz |
| Shaft Type | 10 mm shaft |
| Flange Type | Clamping flange |
| Cable | 2 m axial cable, 4-core |
| Protection Rating | IP65 |
| Operating Temperature | -20°C to +60°C |

