We provide a custom compatible solution for the CEV65M-10487 encoder, built for systems where 8192-step SSI absolute feedback must stay stable through a 10 m cable, RS422 differential transmission, preset logic, and direction control.

Model reading from the document:

  • CEV65M-10487 = absolute rotary encoder
  • 8192 steps per revolution
  • 4096 revolutions
  • SSI interface
  • Gray code
  • RS422 output level
  • 11–27 VDC supply
  • ZB36 flange
  • 10FL / 19.5 shaft
  • 10 m cable outlet
  • IP65 protection
  • -20 °C to +80 °C operating temperature

Typical production lead time: 15 working days.

At this resolution, the first weak point is usually not the encoder core. It is SSI clock quality, RS422 pair integrity, cable shielding, preset wiring, or direction input handling. If the clock pair or data pair is noisy, the controller may still receive data, but the position word is no longer trustworthy.

CEV65M-10487 SSI Cable Encoder Solution-EncoderWorks
CEV65M-10487 SSI Cable Encoder Solution-EncoderWorks

Where the System Fails First

This model uses SSI, not PROFINET, Profibus, CANopen, analog, or incremental output. The signal chain is simple but unforgiving: Clock+ / Clock- goes into the encoder, and Data+ / Data- returns position data through RS422. With a 10 m cable, shielding and pair routing matter more than most installers expect.

Typical failure points:

  • Weak SSI clock pair → unstable position word
  • Poor RS422 shielding → intermittent data errors
  • Wrong Direction input → reversed counting
  • Wrong Preset1 / Preset2 wiring → incorrect reference value
  • Programming RS485 lines mixed with SSI lines → commissioning fault
  • Cable bend or strain near PG radial outlet → long-term signal instability

The pinout confirms a 12-core cable structure: SSI Clock-/Clock+, SSI Data+/Data-, serial programming RS485 pair, Direction input, Preset1, Preset2, supply voltage, and ground. That means this is not only an SSI wiring job; preset and direction logic must also be controlled, or the encoder may output a clean but wrong position value.

Mechanical and Wiring Boundary

The drawing shows a compact CEV65M 36 mm centering flange layout, 10 mm flat shaft, radial cable outlet, and 10 m cable routing. The mechanical side is not heavy-duty shaft-load focused; the real risk is usually cable strain, shield break, or wrong control input wiring.

The document also lists F/R, Preset 1+2, and programmable options. These are not decoration. If preset or direction input is wired casually, the system may appear electrically normal but still return the wrong absolute reference after startup or replacement.

Installation Notes

  • Keep the model format as CEV65M-10487
  • Keep SSI Clock+ / Clock- as a clean differential pair
  • Keep SSI Data+ / Data- as a clean RS422 return pair
  • Route the 10 m cable away from inverter and motor power wiring
  • Do not mix serial programming RS485 wires with SSI signal wiring
  • Confirm Direction, Preset1, and Preset2 logic before startup
  • De-energize the system before wiring or connector work
  • Check shielding and cable strain before replacing the encoder

Key Data

  • Model: CEV65M-10487
  • Type: Absolute rotary encoder
  • Interface: SSI
  • Code: Gray
  • Resolution: 8192 steps / revolution
  • Multiturn range: 4096 revolutions
  • Parameterizable: Programmable
  • Supply voltage: 11–27 VDC
  • Output level: RS422
  • Flange: ZB36
  • Shaft: 10FL / 19.5
  • Cable length: 10 m
  • Connector position: PG radial cable outlet
  • Protection: IP65
  • Operating temperature: -20 °C to +80 °C
  • Options: F/R, Preset 1+2, Programmable
  • Pinout: ST2796A
  • Parameter file: CE816-095