OCD-PPA1B-0012-B100-CAW Binary Cable Mapping

EncoderWorks can configure OCD-PPA1B-0012-B100-CAW as a custom compatible replacement solution for absolute singleturn feedback where 12-bit Bit Parallel data, Binary code interpretation, latch behavior, DIR logic, and 1 m axial cable mapping must remain aligned with the installed controller. The failure boundary is not only the 10–30 V push-pull output level, but also bit order, wire-color assignment, sampling timing, blind-hollow shaft fit, rear cable clearance, and code format. Typical production lead time: 15 working days.

This model is used where the control system reads an absolute singleturn position word through discrete parallel data lines. A compatible replacement must preserve the 12-bit singleturn structure, push-pull output behavior, Binary data interpretation, latch input function, counting direction input, axial cable route, and Ø10 mm blind-hollow mechanical interface.

System Limits

The first system boundary is the 12-bit Binary parallel data structure. OCD-PPA1B-0012-B100-CAW uses Bit 1 to Bit 12 as discrete position lines, and the controller must interpret the word as Binary data. If the replacement is configured with Gray code, shifted bit significance, reversed bit order, missing latch behavior, or different DIR logic, the controller can receive stable electrical signals but calculate the wrong position. Typical failure symptoms include angular value jumps, reversed travel, unstable end-position detection, incorrect absolute position, or repeatable offset after each power cycle.

The second boundary is the 1 m axial cable and blind-hollow shaft installation. This version uses a Ø10 mm blind-hollow shaft and an axial cable exit, so shaft fit, clamp condition, rear cable clearance, minimum bend radius, cable strain relief, shield continuity, supply reference, and grounding must be controlled together. A replacement can fail even when voltage and resolution match if one data wire is mapped incorrectly, the latch line is left floating, the DIR line is wired with the wrong state, or the cable is forced into a tight rear bend.

Wiring & Installation

Before replacement, confirm the full installed model code, 10–30 V supply, push-pull parallel input compatibility, 12-bit data mapping, Binary code handling, latch input use, DIR input logic, 1 m axial cable route, wire-color assignment, and controller sampling method. Do not treat this as an incremental encoder replacement, because the controller is reading a complete absolute position word rather than counting pulses over time.

The blind-hollow shaft installation must also be checked carefully. The Ø10 mm hollow interface, clamping condition, torque restraint, shaft insertion depth, rear cable outlet, and static or dynamic misalignment can affect bearing load and long-term stability. Poor clamping, side load, cable pulling force, or shield discontinuity can cause mechanical drift, intermittent data faults, or early bearing wear.

Custom Compatible Solution

• Match 12-bit singleturn Bit Parallel feedback with Binary output behavior
• Preserve Bit 1–12 mapping, latch function, DIR logic, supply reference, and cable wire-color assignment
• Adapt the Ø10 mm blind-hollow shaft, 58 mm flange class, 1 m axial cable, and mechanical mounting boundary
• Review controller sampling timing, cable shielding, grounding, rear cable clearance, and shaft misalignment before shipment

Key Data