We have developed a custom solution for model OCD-PPA1G-0012-C120-CAW, built around a compact 58 mm clamping-flange platform with a Ø12 mm solid shaft and a parallel push-pull singleturn output structure. This configuration is intended for systems that still acquire position through direct bit-level inputs rather than SSI or fieldbus communication, while requiring a stronger shaft size than small 6 mm versions. The encoder provides 12-bit singleturn absolute feedback with Gray-code output and cable-side direction setting, making it suitable for compact drive assemblies where controller-side parallel input logic is already established. Typical production lead time: 15 working days.
Technical Key Parameters
- Interface: Parallel (push-pull)
- Resolution: 12 bit singleturn
- Mounting: Ø58 mm clamping flange
- Shaft: Ø12 × 20 mm solid shaft with flat
- Supply voltage: 10–30 VDC
Custom Solution Photos
The configuration reflects a compact shaft-type encoder structure with axial cable outlet and direct parallel bit output for controller-side position acquisition.
Wiring and Installation Notes
This model uses a parallel push-pull output, so long-term stability depends more on wiring discipline across multiple conductors than on protocol settings. In practice, stable but incorrect position values are more often caused by bit-order mistakes, undefined control lines, or inconsistent ground reference than by encoder failure. The connection plan includes Bit 1 to Bit 12, plus Latch, DIR, Power Supply, and GND, so commissioning should verify signal assignment before controller-side scaling or logic is finalized. On this type of interface, incorrect direction behavior often looks like a mechanical installation error, so the DIR function should be checked first whenever the count direction appears reversed.
The encoder is supplied with a 1 m axial PVC cable, and the specified minimum bending radius of 150 mm should be respected from the start. In compact cabinets, cable stress and forced bends are a more common source of long-term instability than the sensing element itself. Mechanically, the Ø12 mm shaft and 20 mm shaft length provide a more stable coupling base than smaller shaft variants, but alignment quality still matters. This is a compact platform with moderate shaft-load capacity, not a heavy-duty shaft design, so radial preload and forced axial seating should be minimized during installation.
Application and Integration Notes
This configuration is typically used in compact automation systems, positioning units, indexing assemblies, and retrofit control architectures where absolute position must be read directly through parallel inputs. Its practical value lies in combining 12-bit singleturn Gray-code output with a 12 mm shaft that fits more robust small-drive installations than slim 6 mm shaft designs.
Compared with SSI or industrial Ethernet encoders, this model reduces protocol complexity but increases the importance of I/O organization and wiring accuracy. In practice, it is selected when the control hardware already supports direct bit-level acquisition and where a 58 mm flange / 12 mm shaft arrangement is mechanically appropriate. It is less suitable for long, noise-prone cable routes or for systems where reducing conductor count matters more than keeping simple controller-side logic.
Custom Encoder Solution
- Compact 58 mm shaft-type structure for limited installation space
- 12-bit singleturn Gray-code output for direct controller-side position acquisition
- Ø12 × 20 mm solid shaft for more stable compact-drive coupling integration
- Suitable for systems using Latch / DIR logic instead of serial communication
Lead Time and Custom Development
This model is configured based on confirmed shaft geometry, singleturn resolution, and parallel output integration requirements. Typical production lead time: 15 working days.
Key Technical Data
| Item | Specification |
|---|---|
| Interface | Parallel, push-pull |
| Resolution | 12 bit singleturn |
| Supply voltage | 10–30 VDC |
| Mounting | Ø58 mm clamping flange |
| Shaft | Ø12 × 20 mm solid shaft |
| Connection | Axial cable, 1 m PVC |
| Max speed | 12000 rpm |
| Protection | IP65 |
Technical Summary
The engineering value of OCD-PPA1G-0012-C120-CAW lies in its combination of a compact 58 mm clamping-flange structure, 12-bit singleturn absolute output, and a direct parallel push-pull interface on a simple electrical architecture. It is best suited for compact systems where the controller already works with parallel position inputs and where a 12 mm shaft offers a more practical mechanical base than smaller shaft variants. In practical applications, the main success factors are correct bit assignment, stable direction logic, controlled cable routing, and accurate coupling alignment.
