A custom compatible encoder solution can be provided for CVM78E-021KRA0BN-1416 in maintenance, retrofit, replacement, and upgrade projects. This model belongs to the multiturn CANopen platform and uses a Ø12 mm solid shaft with aluminum housing construction and a 14-bit multiturn plus 16-bit singleturn structure. Typical production lead time: 15 working days. For this coded version, the confirmed engineering priority is to preserve the Ø12 mm shaft-side fit and the high-resolution CANopen behavior, while the detailed coded connection arrangement should be matched during engineering review.
Technical Overview of the CVM78E-021KRA0BN-1416 Encoder
The CVM78E-021KRA0BN-1416 is a multiturn absolute rotary encoder using CANopen communication and binary code output. The confirmed coded features include shaft dimension 02, aluminum housing version N, and a high-resolution format of 14-bit multiturn plus 16-bit singleturn. The platform supports DS 301 communication and DS 406 / DS 417 device profiles, programmable according to class 2.
Because the provided model code includes a connection segment that should be matched conservatively to the original coded version, the final field configuration should be confirmed against the installed unit before release. This supports engineering continuity without over-interpreting the coded arrangement.
Industrial Integration Considerations
For this version, the high-resolution structure is a leading compatibility factor. In many applications, controller-side scaling, total travel mapping, and switching logic are already configured around a 16-bit singleturn format and 14-bit multiturn capacity. That behavior should be preserved during retrofit.
The Ø12 mm shaft also makes mechanical compatibility more application-specific than on smaller shaft versions, so shaft coupling and installation geometry should be checked carefully.
Field Installation and Wiring Notes
The original connection arrangement, exit position, and node-side wiring practice should be checked against the installed encoder before production release. Baud rate, node address, and line termination behavior should remain aligned with the original CANopen segment.
Signal cable or terminal wiring should remain separated from energy lines, and shielding practice should follow the installed configuration to preserve bus stability.
Custom Compatible Encoder Solution
A custom compatible encoder solution for CVM78E-021KRA0BN-1416 should preserve the Ø12 mm shaft geometry, confirmed 14-bit multiturn plus 16-bit singleturn CANopen structure, and the original coded connection arrangement. This conservative engineering path is appropriate where the complete connection coding should be verified directly against the installed unit.
Preset, overall resolution, cam switching, and sync-related parameters should also be reviewed during engineering confirmation.
Custom Solution Photos


Lead Time and Custom Development
Typical production lead time: 15 working days.
Main checkpoints include shaft diameter, shaft length, high-resolution format, original connection arrangement, node address, baud rate, and CANopen commissioning parameters. The coded connection version should be matched to the original field configuration during engineering review.
Typical Technical Parameters
| Parameter | Specification |
|---|---|
| Encoder Type | Multiturn absolute rotary encoder |
| Model | CVM78E-021KRA0BN-1416 |
| Interface | CANopen |
| Multiturn Resolution | 14 bit |
| Singleturn Resolution | 16 bit |
| Overall Resolution | Up to 30 bit platform |
| Output Code | Binary |
| Communication Profile | DS 301 |
| Device Profiles | DS 406 / DS 417, programmable according to class 2 |
| Operating Modes | Polled mode, Cyclic mode, Sync mode |
| Supply Voltage | 10 ... 30 V DC |
| Shaft Type | Solid shaft |
| Shaft Dimension | Ø12 mm x 25 mm |
| Connection / Exit Coding | To be matched to original coded version |
| Housing Material | Aluminum |
| Protection Rating | IP66 |
| Operating Temperature | -40 ... +70 °C |
| Max. Speed | 3000 min⁻¹ |

