For CVM78E-011KRR0BI-1213, EncoderWorks can provide a custom compatible replacement focused on CANopen terminal wiring, 25-bit position mapping, and Ø10 mm Inox clamping-shaft alignment. This model should not be treated like a cable-output version. The KR radial terminal compartment makes field wiring, cable-gland sealing, CAN H/L routing, termination, and shield grounding the main replacement risks.
The CVM78E-011KRR0BI-1213 is a CANopen multiturn absolute encoder configuration with binary code, 13-bit singleturn resolution, 12-bit multiturn range, explosion-proof IP66 construction, Inox housing execution, Ø10 mm solid shaft, clamping flange, KR radial terminal compartment, and 10–30 VDC supply.
The first failure boundary is CANopen terminal wiring. Power supply, CAN low, CAN high, CAN ground, housing ground, Bus IN, Bus OUT, shield bonding, and cable-gland strain relief must be checked before startup. If CAN H/L is reversed, the baud rate is different, the node address is duplicated, or the 121 Ω termination is enabled at the wrong bus position, communication may appear present but process data can fail.
This replacement fails when the CANopen node is detected, but the PLC reads no valid or incorrect multiturn position because terminal wiring, address setting, baud rate, termination, or DS406 profile configuration does not match the original encoder. That is a network and wiring failure, not a sensing failure.
The second boundary is 13/12-bit parameter agreement. A 13-bit singleturn and 12-bit multiturn structure must not be mixed with 12/12, 12/16, or 14/16 settings unless the PLC project is changed. Preset value, counting direction, cyclic/sync/polled mode, limit switches, cam functions, and overall resolution should be copied before release.
Mechanically, the Ø10 mm solid clamping shaft requires coupling alignment, not hollow-shaft seating. Radial terminal exit also needs side clearance so cable glands and shielding do not pull on the housing or introduce shaft load.
The replacement decision should first confirm explosion-proof requirement, Inox housing, Ø10 mm clamping-flange geometry, KR radial terminal layout, cable-gland sealing, CANopen DS301 / DS406 compatibility, 13-bit singleturn and 12-bit multiturn mapping, node address, baud rate, 121 Ω termination, CAN H/L wiring, preset value, counting direction, shield grounding, and coupling load. EncoderWorks treats CVM78E-011KRR0BI-1213 as an industrial encoder custom compatible solution where CANopen terminal wiring and clamping-shaft mechanics decide field reliability.
Typical production lead time: 15 working days.
Key Data
| Item | Data |
|---|---|
| Model | CVM78E-011KRR0BI-1213 |
| Encoder type | Multiturn absolute encoder |
| Interface | CANopen |
| Communication profile | DS301 |
| Device profile | DS406 / DS417 programmable class 2 |
| Resolution | 13-bit singleturn + 12-bit multiturn |
| Code | Binary |
| Supply voltage | 10–30 VDC |
| Housing execution | Inox |
| Shaft / flange | Ø10 mm solid shaft, clamping flange |
| Connection | KR radial terminal compartment |
| Protection class | Explosion-proof, IP66 |
| Main engineering anchor | CANopen terminal and clamp shaft |
| Main failure boundary | Terminal wiring error, address conflict, resolution mismatch, coupling preload |
