A custom compatible encoder solution can be provided for the RVI84N-10CK2A2NN-00020 encoder used in hazardous-area equipment where a 20 PPR incremental signal is required with intrinsically safe interface characteristics. This service supports maintenance teams, field replacement planning, and retrofit projects where the encoder must remain compatible with the original NAMUR-based installation. With tailored engineering support, a suitable solution can typically be produced within 10–15 working days.
Technical Overview of the RVI84N-10CK2A2NN-00020 Encoder
The RVI84N-10CK2A2NN-00020 is an intrinsically safe incremental encoder from the RVI84 series. It is intended for low-frequency rotational monitoring in installations where hazardous-area requirements and NAMUR interface compatibility are central to the design. RVI84
This version provides 20 pulses per revolution and uses A/B 2-wire NAMUR outputs. That makes it suitable for systems requiring coarse but dependable feedback for speed supervision or motion confirmation. The family operates at 8 V DC and is designed to work with NAMUR-compatible evaluation electronics. RVI84
Its mechanical platform remains compact and consistent, with a clamping flange, 10 mm shaft, and axial cable outlet.
Industrial Integration Considerations
For the RVI84N-10CK2A2NN-00020, field replacement should be approached as both a mechanical and signal-chain task. The encoder itself, the cabling, and the connected NAMUR interface electronics should be reviewed together.
The relatively low pulse density does not reduce the need for correct shaft alignment and secure mounting, since mechanical instability can still shorten service life.


Custom Compatible Encoder Solution
A custom compatible encoder solution can be engineered for systems currently using the RVI84N-10CK2A2NN-00020 configuration. Compatibility typically includes shaft size, mounting geometry, cable arrangement, output format, and pulse count.
This allows the encoder to be integrated into the existing installation while preserving the intended intrinsically safe operating concept. Additional adaptation can be added where field conditions require it.
Lead Time and Custom Development
Custom compatible encoder production for the RVI84N-10CK2A2NN-00020 configuration generally requires 10–15 working days. Engineering review before manufacturing helps confirm the required dimensional and interface details.
Typical Technical Parameters
| Parameter | Specification |
|---|---|
| Encoder Type | Incremental Rotary Encoder |
| Interface | NAMUR |
| Resolution | 20 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 |

