We provide a custom compatible solution for CEV65M-03468, designed to preserve the original SSI absolute feedback behavior in a stainless steel housing configuration. The key replacement risk is the 250 ns SSI cycle time, combined with RS422 clock/data integrity, preset value matching, and the 90° angled M23 connector; if these points are not reproduced correctly, the controller may read a position word that is present but not reliable. Typical production lead time: 15 working days.

Where the System Fails First

The controller reads CEV65M-03468 through SSI clock and data pairs. The pinout defines SSI_Clock- / SSI_Clock+, SSI_Data+ / SSI_Data-, RS485 programming lines, Direction input, Preset1, Preset2, supply voltage, and ground. That makes the replacement boundary very specific: clock timing, differential pair quality, preset logic, and connector strain must be checked before the encoder body is blamed.

CEV65M-03468 SSI 250 ns Clock Solution-EncoderWorks
CEV65M-03468 SSI 250 ns Clock Solution-EncoderWorks

The failure points are direct:

  • 250 ns cycle-time mismatch → unstable SSI reading
  • Weak SSI clock pair → shifted or unreliable position word
  • Poor RS422 data shielding → intermittent read errors
  • Preset1 / Preset2 mismatch → wrong reference position
  • Wrong Direction input → reversed counting behavior
  • 90° angled M23 connector strain → long-term signal instability

For CEV65M-03468, the practical replacement boundary is SSI clock integrity plus preset value consistency. A stable replacement must reproduce the original timing behavior and both preset values before the controller can trust the absolute position.

Connector and Housing Boundary

The drawing shows a ZB36 stainless steel flange, 10FL / 19.5 shaft, M23 12-pin 90° angled connector, sealing ring structure, and a 1 m cable connection layout. The stainless steel housing and IP67 protection improve environmental resistance, but they do not remove the signal-side risk. SSI still fails first at clock quality, shielding, connector strain, or incorrect preset handling.

The document lists Preset value 1 = 8,388,608 and Preset value 2 = 8,388,608. These values are not generic inputs. If they are not matched during replacement, the encoder can output a stable SSI signal while the machine reference is still wrong.

Installation Notes

  • Keep the model format as CEV65M-03468
  • Match the 250 ns SSI cycle time
  • Keep SSI Clock+ / Clock- as a clean differential pair
  • Keep SSI Data+ / Data- as a clean RS422 return pair
  • Match Preset1 = 8,388,608 and Preset2 = 8,388,608
  • Verify Direction input logic before startup
  • Protect the 90° angled M23 connector from cable pull
  • De-energize the system before wiring or connector work

Key Data

  • Model: CEV65M-03468
  • Type: Absolute rotary encoder
  • Interface: SSI
  • Code: Binary
  • Resolution: 4096 steps / revolution
  • Multiturn range: 4096 revolutions
  • Supply voltage: 11–27 VDC
  • Output level: RS422
  • Flange: ZB36, stainless steel 1.4305
  • Shaft: 10FL / 19.5
  • Connector: M23 / CONTACT 12-pin
  • Connector position: 90° angled
  • Cable length: 1 m
  • Protection: IP67
  • Temperature range: -20 °C to +70 °C
  • Options: 250 ns cycle time, F/R, Preset 1+2, Programmable, stainless steel housing
  • Preset1: 8,388,608
  • Preset2: 8,388,608
  • Pinout: ST185E
  • Parameter file: CEV65M-03468_149
  • Firmware: 437732