Configured for high-speed shaft angle tracking in automated rotary indexing systems, the Omron H8PS-8BF (H8PS Cam Positioner) provides direct physical/electrical execution.

Nomenclature Decoding & Hardware Variants

The product code structure defines the hardware features, output configuration, and panel enclosure type:

• H8PS: Master series designation for compact electronic cam limit switch controllers.
• 8: Denotes 8 dedicated transistor switching channels for programmable angular limits.
• B: Indicates the presence of an integrated liquid crystal display with backlighting support.
• F: Specifies dual mounting capability supporting both front panel cutout and 35 mm DIN rail installation.

Core Electrical & Mechanical Parameters

Deterministic Angle Processing and I/O Density Scaling

The H8PS-8BF uses direct absolute encoder decoding circuits to achieve sub-millisecond switching latencies independent of PLC CPU sweep cycles. By processing position logic directly on the unit hardware, it avoids backplane bus communication velocity limits and firmware flash compatibility delays. This localized I/O density scaling allows 8 independent NPN outputs to trigger with microsecond precision, ensuring total immunity to fieldbus network jitter on deterministic network loops such as Profinet or EtherNet/IP.

Package Kit Components

• 1 x Omron H8PS-8BF Cam Controller Assembly
• 1 x Panel Mounting Adapter and Waterproof Gasket Set
• 1 x Technical Installation Guide

Field Mounting and Wiring Protocols

Enclosure Installation

• For panel installation, create a standard 92 x 92 mm cutout, seat the front rubber seal, and tighten the adapter clamp screws.
• For rail installation, clip the integrated rear channel mount directly onto a standard 35 mm DIN rail until locked.

Wiring Guidelines

• Set the DIP switch located under the terminal cover to define encoder rotation direction (CW or CCW) prior to applying power.
• Route encoder signal leads through separate conduits isolated from high-voltage AC motor lines to eliminate inductive coupling.
• Connect the encoder cable shield wire to the dedicated functional ground terminal on the rear connector block.

Technical FAQs

• What output transistor logic is utilized on the H8PS-8BF controller?

  The controller provides 8 NPN open-collector outputs that sink load currents directly to the negative power reference.

• How is the rotation orientation altered for inverted shaft mounting?

  An internal DIP switch toggles angle decoding logic between forward (CW) and reverse (CCW) directional modes.

• What supply voltage limits apply to the internal logic board?

  The device operates on an AC power line input between 20.4 VAC and 26.4 VAC at 50/60 Hz.

• What mounting methods are available for the H8PS-8BF unit?

  The "F" designation allows installation either flush-mounted on a panel cutout or clipped to a 35 mm DIN rail.

• Does the liquid crystal screen feature backlight illumination?

  Yes, the integrated LCD includes an internal backlight for visual angle verification in dark enclosures.

• Does encoder processing depend on the central PLC sweep time?

  No, angle calculations occur in local hardware, bypassing main PLC backplane scan cycles and network latencies.

• What cutout dimensions are required for panel installation?

  Flush mounting requires a standard 1/4 DIN opening measuring 92 x 92 mm with an outer profile of 96 x 121.2 mm.

• How should line noise be mitigated on the encoder signals?

  Use shielded twisted-pair cables, ground the shield at a single point, and maintain physical spacing from AC motor lines.