We provide a custom compatible solution for CEV65M-00298, built to keep the original SSI absolute feedback behavior stable in a ZB50 flange with radial 12-pin CONTACT connector layout. The key replacement risk is connector-side SSI reliability: Clock+/Clock-, Data+/Data-, programmable output behavior, F/R direction logic, and Preset 1+2 must remain consistent, or the controller may read a stable signal with the wrong absolute value. Typical production lead time: 15 working days.
Where the System Fails First
The controller reads CEV65M-00298 through SSI differential clock and data wiring at RS422 level. The pin assignment defines SSI_Clock- / SSI_Clock+, SSI_Data+ / SSI_Data-, RS485 programming lines, Direction input, Preset1, Preset2, supply voltage, and ground. This makes the field boundary clear: the SSI pair quality and control input logic must be checked before the encoder body is treated as the failed part.


The failure points are direct:
- Weak SSI clock pair → shifted or unstable position word
- Poor RS422 data shielding → intermittent read errors
- Programmable code mismatch → clean signal, wrong position
- F/R input mismatch → reversed counting behavior
- Preset1 / Preset2 wiring error → false machine reference
- Radial CONTACT connector strain → long-term signal instability
For CEV65M-00298, the practical replacement boundary is SSI signal integrity plus radial connector stability. A stable replacement must reproduce the original SSI wiring, programmable behavior, and preset logic before the machine can trust the absolute position.
Connector and Mechanical Boundary
The drawing shows a ZB50 flange, 10FL / 19.5 shaft, and a 12-pin CONTACT connector mounted radially on the housing. This radial connector is the main difference from axial CONTACT layouts. It gives easier side access, but it also makes cable bend, side pull, and cabinet clearance part of the reliability boundary.
The document also lists WINPROG file CE831-095, software number 437696, and test certificate. That means the replacement should not be treated as a simple mechanical swap. The programmable SSI behavior and commissioning record should be matched before startup.
Installation Notes
- Keep the model format as CEV65M-00298
- Match the alternative reference 110-00298 where required
- Keep SSI Clock+ / Clock- as a clean differential pair
- Keep SSI Data+ / Data- as a clean RS422 return pair
- Confirm programmable code and controller SSI settings
- Verify F/R direction and Preset 1+2 logic
- Protect the radial 12-pin CONTACT connector from side cable load
- De-energize the system before wiring or connector work
Key Data
- Model: CEV65M-00298
- Alternative reference: 110-00298
- Type: Absolute rotary encoder
- Interface: SSI
- Code: Programmable
- Resolution: 4096 steps / revolution
- Multiturn range: 4096 revolutions
- Supply voltage: 11–27 VDC
- Output level: RS422
- Flange: ZB50
- Shaft: 10FL / 19.5
- Connector: CONTACT 12-pin
- Connector position: Radial on housing
- Protection: IP65
- Temperature range: 0–60 °C
- Options: F/R, Preset 1+2, Programmable
- Pinout: 185E
- WinProg file: CE831-095
- Drawing: 04-CEV65M-M0053
- Software No.: 437696
- Additional note: Test certificate

