EncoderWorks can configure OCD-EIC1B-1416-C120-PRM as a custom compatible replacement solution for absolute multiturn Profinet feedback where device name, IP address, profile configuration, MRP / MRPD topology, 30-bit position structure, and Ø12 mm solid-shaft clamp-flange fit must remain aligned with the installed PLC project. The failure boundary is not only the 10–32 VDC supply, but also GSDML compatibility, RT / IRT timing, Tx/Rx Ethernet mapping, fractional scaling, preset behavior, counting direction, power reference, and coupling alignment. Typical production lead time: 15 working days.
This model is used where the control system reads high-resolution absolute multiturn position over a Profinet network rather than Profibus data, EtherNet/IP objects, Bit Parallel lines, analog voltage, or incremental A/B/Z pulses. A compatible replacement must preserve the 16-bit singleturn and 14-bit multiturn position structure, Binary position handling inside the device, Profinet device identity, profile behavior, MRP / MRPD network role, radial M12 connector layout, and Ø12 mm solid-shaft mechanical interface.
System Limits
The first system boundary is the Profinet network and profile configuration. OCD-EIC1B-1416-C120-PRM works through Profinet RT / IRT profile behavior, so the PLC project must see the same device name, IP address behavior, GSDML compatibility, profile class expectation, resolution parameter, fractional scaling, counting direction, preset function, velocity filtering, acceleration data, and diagnostic response. If the replacement is installed with a different device identity, incompatible configuration file, changed parameter length, wrong scaling, mismatched direction setting, or unsupported MRP / MRPD topology, the network may detect a device while the axis reports wrong position, invalid scaling, synchronization faults, missing diagnostics, or unstable commissioning status.
The second boundary is the Ethernet physical layer and solid-shaft installation. The two D-coded Ethernet ports, Tx/Rx line assignment, shield continuity, M12 A-coded power reference, GND integrity, radial connector clearance, and cable bend radius must match the installed machine. A correct encoder can still fail if Tx/Rx pairs are mapped incorrectly, the ring topology is interrupted, shielding is incomplete, the power reference is unstable, or the connector stack is stressed by nearby guarding. Mechanically, coupling preload, shaft runout, flange seating, axial load, and radial load must stay within the installed system’s tolerance.
Wiring & Installation
Before replacement, confirm the full installed model code, Profinet device name, IP address requirement, GSDML requirement, Profidrive or Encoder Profile use, RT / IRT timing requirement, MRP / MRPD topology, resolution setting, fractional scaling, preset requirement, counting direction, velocity filtering, acceleration data use, diagnostic mapping, and PLC commissioning method. Do not treat this as a Profibus, EtherNet/IP, Bit Parallel, Analog Voltage, CANopen, or incremental replacement, because the controller is reading a configured Profinet device rather than a fieldbus node, CIP object, discrete data word, voltage value, or pulse train.
The solid-shaft installation must also be checked carefully. The Ø12 mm single-flat shaft, 20 mm shaft length, clamp flange, coupling type, shaft insertion depth, radial M12 connector clearance, axial load, radial load, and alignment accuracy can affect long-term stability. Poor coupling alignment, excessive side load, cable strain, connector stress, or shield discontinuity can cause communication faults, mechanical drift, intermittent diagnostics, or early bearing wear.
Custom Compatible Solution
- Match Profinet device behavior, 16-bit singleturn plus 14-bit multiturn feedback, profile expectations, and device-name / IP-address requirement
- Preserve GSDML compatibility, RT / IRT timing, MRP / MRPD topology, D-coded Ethernet Tx/Rx mapping, A-coded power wiring, GND reference, and shield continuity
- Adapt the Ø12 mm solid shaft, 20 mm shaft length, 58 mm C clamp-flange class, radial M12 connector layout, and mechanical mounting boundary
- Review profile parameter mapping, fractional scaling, preset direction, diagnostics, acceleration data, connector clearance, and shaft coupling alignment before shipment
Key Data
| Item | Data |
|---|---|
| Model | OCD-EIC1B-1416-C120-PRM |
| Encoder type | Absolute multiturn rotary encoder |
| Interface | Profinet |
| Profile / class | Profidrive Profile 4.x; Encoder Profile 4.0, 4.1, 4.2 |
| Real-time mode | RT / IRT |
| Transmission rate | 100 Mbit |
| Interface cycle time | ≥125 µs |
| Supply voltage | 10–32 VDC |
| Output driver | Ethernet |
| Sensor technology | Optical |
| Singleturn resolution | 16 bit |
| Multiturn resolution | 14 bit |
| Total position structure | 30-bit absolute multiturn data |
| Code | Binary |
| Multiturn technology | Mechanical gearing, no battery |
| Network functions | Boot-loader, Round Axis, flashing LEDs, MRP, MRPD, acceleration values |
| Programming functions | Resolution, velocity time base/filter, preset, counting direction, IP address, fractional scaling, parameter control via GSDML or non-volatile memory |
| Connection | 2 × M12 D-coded Ethernet + 1 × M12 A-coded power |
| Connection orientation | Radial |
| Shaft / flange | Solid shaft, single flat, Ø12 mm × 20 mm, 58 mm C clamp flange class |
| Protection class | IP65 shaft and IP65 housing boundary requires confirmation against installed version |
| Key replacement checks | Device name, IP address, GSDML, profile parameters, RT / IRT timing, MRP / MRPD, Tx/Rx wiring, fractional scaling, preset, direction, Ø12 mm solid-shaft coupling fit |
