CBE65-3600EKE10 SSI Encoder with Gray-Excess Timing

For CBE65-3600EKE10, EncoderWorks can provide a custom compatible replacement solution for SSI singleturn absolute feedback systems where the key checks are Gray-Excess code reading, 13-bit SSI timing, RS485/422 clock-data wiring, and code-sense direction logic. The replacement must be verified at the controller input, because a mechanically similar encoder can still fail if the controller expects a different SSI word length, wait period, direction input, or 3600-step scaling. Typical production lead time: 15 working days.

This encoder is used where the control system reads one-turn absolute angular position through differential SSI signals. Replacement work should treat the encoder as a timing and signal-mapping component, not only as a shaft-mounted sensor. The controller clock input, data output, Gray-Excess interpretation, 3600 positions per revolution, code-sense input, supply range, connector assignment, and shielded twisted-pair wiring must all be checked before the machine returns to service.

System Limits

The main system limit is SSI frame timing. This version uses a 13-bit SSI profile with 12 significant data bits and a defined wait period. If the controller samples the wrong word length or does not match the monoflop wait time, the position may shift, freeze, or produce intermittent incorrect values.

The second limit is Gray-Excess scaling. The controller must read the position as 3600 steps per 360°, not as a standard binary or normal Gray-code 4096-count encoder. If the code conversion or scaling is wrong, the angle value can look stable but remain offset across the full revolution.

The wiring limit is the RS485/422 differential pair layout. CLOCK IN +/-, DATA OUT +/-, supply, ground, and code-sense must follow the 7-pin connector definition. Twisted pairs and shield continuity are important because SSI signals can become unstable near inverter, motor, brake, or contactor wiring.

Wiring & Installation

Before removing the existing encoder, record the connector pin assignment, SSI clock/data polarity, controller word length, code conversion method, code-sense state, supply voltage, shield connection, and mechanical zero position. The replacement should be checked against the controller configuration before startup.

After installation, rotate the shaft slowly through one full revolution and confirm that the controller value increases in the expected direction. Then check zero alignment, 3600-step scaling, and stable SSI communication under the real machine operating condition.

Custom Compatible Solution

EncoderWorks can configure the replacement around the installed SSI system:

• Match SSI RS485/422 clock-data behavior, 13-bit profile, wait period, and controller-side sampling
• Verify Gray-Excess output, 3600 positions per revolution, direction logic, and code-sense behavior
• Adapt the connector assignment, supply range, cable shielding, and machine-side wiring requirement
• Review twisted-pair routing, shield grounding, and signal margin for stable SSI feedback

Key Data