OCE-S101B-0016-E14S-HFZ SSI Absolute Encoder Solution

A custom compatible encoder solution can be provided for OCE-S101B-0016-E14S-HFZ in maintenance, retrofit, replacement, and upgrade projects. This model is an SSI absolute encoder built on a blind hollow shaft platform with a Ø14 mm shaft interface and ATEX mechanical arrangement for Zone 1 and 21 oil and gas installations. Typical production lead time: 15 working days. The engineering objective is to preserve SSI clock/data continuity, hollow-shaft installation fit, and hazardous-duty field compatibility so that replacement can remain stable and practical.

Technical Overview of the OCE-S101B-0016-E14S-HFZ Encoder

The OCE-S101B-0016-E14S-HFZ belongs to an absolute rotary encoder platform using SSI with Preset as the main interface. This coded version uses a 16-bit singleturn structure and does not include a multiturn range, so it is intended for applications where one mechanical revolution is evaluated as the absolute position range. The sensing principle is optical, the output driver is RS422, and the code type is binary.

From the electrical side, the encoder operates on 4.5 – 30 VDC, with power consumption of ≤ 1.5 W and startup time of < 1 s. The interface cycle time is ≥ 25 µs, the clock input is RS 422 via optocoupler, and the supported clock frequency range is 100 kHz – 2 MHz. Manual functions include Preset + complement via cable or connector, which makes this version suitable for installed systems where SSI timing and preset logic must remain aligned with the original control concept.

Mechanically, this version uses a blind hollow shaft with 30 mm depth and Ø14 mm shaft diameter. The flange is a blind hollow, Ø78 mm ATEX type, the housing and flange are aluminum, and the connection cap material is aluminium. The encoder is rated IP66/IP67 on both shaft and housing sides, with operating temperature from -40 °C to +70 °C and maximum permissible mechanical speed up to 3000 1/min.

Industrial Integration Considerations

For this model, the most important compatibility factor is the combination of 16-bit singleturn SSI behavior and blind hollow shaft installation continuity. In many retrofit projects, the control system is already configured around binary SSI processing, defined clock timing, and preset handling. Replacing the encoder with a mechanically similar unit but different output format, timing range, or signal logic can create unnecessary commissioning work.

The hollow-shaft platform also deserves careful review. A blind hollow shaft version depends on preserving shaft insertion depth, clamping condition, and original mounting behavior rather than only matching the housing diameter. In hazardous-duty oil and gas installations, the approval basis, sealing integrity, and original field enclosure concept should remain aligned with the installed machine during replacement planning.

Field Installation and Wiring Notes

For this version, SSI clock/data continuity should be checked carefully during replacement. The connection plan lists GND, Power Supply, DIR, Preset, Clock+, Clock-, Data-, and Data+, so the installed controller-side signal allocation should remain unchanged during recommissioning. This is especially important where preset and direction logic are already wired into the original machine control.

Because this is a blind hollow shaft version with radial blind-plug connection layout, shaft insertion depth, radial installation space, and sealing integrity around the connection side should also be reviewed before release. The datasheet also specifies static and dynamic axial/radial misalignment limits, so the final replacement should remain aligned with the original shaft guidance and mounting condition.

Custom Compatible Encoder Solution

A custom compatible encoder solution for OCE-S101B-0016-E14S-HFZ should preserve five engineering points: Ø14 mm blind hollow shaft geometry, Ø78 mm blind hollow ATEX flange installation reference, 16-bit singleturn SSI binary behavior, RS422 clock/data continuity, and the original hazardous-duty enclosure concept. This combination matters because successful field replacement depends not only on nominal mounting dimensions, but also on whether the encoder remains aligned with the installed preset logic, direction input, and singleturn position handling.

From the electrical side, the compatible solution should remain aligned with the original 4.5 – 30 VDC supply range, SSI timing capability, and preset/direction input arrangement. From the mechanical side, it should preserve shaft diameter, shaft depth, flange type, radial connection layout, and approved installation concept. Where the original machine already uses preset or direction switching, those items should be confirmed during engineering review before final release.

Custom Solution Photos

Lead Time and Custom Development

Typical production lead time: 15 working days.

For custom development, the main checkpoints should include shaft diameter, blind hollow depth, flange reference, SSI clock frequency, output code, preset handling, direction input continuity, and hazardous-area installation compatibility. The final coded configuration should be reviewed from both the mechanical and signal-integration sides so that the compatible solution remains aligned with the original field configuration.

Typical Technical Parameters