OCM-S101B-0016-E14W-HFZ SSI Absolute Encoder Solution

A custom compatible encoder solution can be provided for OCM-S101B-0016-E14W-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 hazardous-duty mechanical construction for Zone 1 and 21 mining installations. Typical production lead time: 15 working days. The engineering objective is to preserve SSI clock/data continuity, hollow-shaft installation fit, and hazardous-area field compatibility so that replacement can remain stable and practical.

Technical Overview of the OCM-S101B-0016-E14W-HFZ Encoder

The OCM-S101B-0016-E14W-HFZ belongs to an absolute rotary encoder platform using SSI communication with Gray code output. 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, and the output driver is an RS-422-compatible, galvanically isolated SSI interface.

From the electrical side, the encoder operates on 10–30 VDC, with current consumption up to 220 mA at 10 VDC and 100 mA at 24 VDC, and startup time under 1 second. The SSI cycle time is listed as 25 µs, with a clock input up to 1 MHz, and programming functions include resolution, preset, and counting direction. These characteristics make it suitable for installed control systems where SSI timing behavior and absolute singleturn data format must remain aligned with the original application.

Mechanically, this version uses a blind hollow shaft with 30 mm depth and Ø14 mm shaft diameter, together with a Ø78 mm synchro blind hollow flange. The housing, flange, and blind plugs are made of stainless steel V4A, and the encoder is rated IP66/IP67 with operating temperature from -40 °C to +70 °C and maximum permissible speed up to 3000 rpm.

Industrial Integration Considerations

For this model, the most important compatibility factor is the combination of singleturn 16-bit SSI behavior and blind hollow shaft installation continuity. In many retrofit projects, the control system is already configured around Gray-code SSI processing, defined clock timing, and a specific singleturn resolution. Replacing the encoder with a mechanically similar unit but a different output code, interface timing, or multiturn structure 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 anti-rotation logic rather than only matching housing diameter. In hazardous-duty mining installations, the stainless-steel enclosure, sealing integrity, and installation suitability for the original zone-rated environment should remain aligned with the existing machine concept during replacement planning.

Field Installation and Wiring Notes

For this version, SSI clock/data continuity should be checked carefully during replacement. The connection plan includes power supply, ground, Clock+ / Clock-, Data+ / Data-, and Preset+ / Preset-, which means the installed controller-side timing and line assignment should remain unchanged during recommissioning. Bus polarity does not apply here as in fieldbus encoders, but SSI signal-pair continuity and preset logic must remain aligned with the original wiring.

Because this is a blind hollow shaft version with radial blind-plug connection layout, shaft insertion depth, available radial clearance, and sealing integrity around the connection side should also be reviewed before release. In hazardous-duty environments, field replacement should preserve not only the electrical interface but also the original enclosure integrity and cable-entry practice used on the installed machine.

Custom Compatible Encoder Solution

A custom compatible encoder solution for OCM-S101B-0016-E14W-HFZ should preserve five engineering points: Ø14 mm blind hollow shaft geometry, Ø78 mm synchro flange installation reference, 16-bit singleturn SSI Gray-code behavior, RS-422-compatible galvanically isolated output stage, 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 clock/data timing, preset handling, and singleturn position logic.

From the electrical side, the compatible solution should remain aligned with the original 10–30 VDC supply range, SSI timing capability, and preset/counting-direction programming logic. From the mechanical side, it should preserve shaft diameter, shaft depth, blind hollow flange type, stainless-steel construction, and radial connection layout. Where the original machine already uses preset functions or specific Gray-code SSI interpretation, 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, and hazardous-area installation continuity. 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