We developed a custom solution for the OCE-EIC1B-1213-E140-ARW encoder, intended for hazardous-area systems where PROFINET absolute feedback must remain stable under vibration, moisture, and industrial noise while meeting Zone 1 and 21 installation requirements. This configuration uses a blind hollow shaft Ø14 mm, ATEX blind-hollow flange Ø78 mm, and a PROFINET interface with radial cable/connector layout. It is not a general-purpose encoder. It is a network-integrated absolute feedback solution where Ethernet communication quality, hazardous-area installation discipline, and shaft-side mechanical stability determine whether the system remains usable. Typical production lead time: 15 working days.
Custom Solution Photos
Stable operation depends on hollow-shaft fit, flange mounting quality, sealing integrity, radial connection layout, and correct PROFINET network integration.
System Limits
- Wrong IP configuration or network setup → device communication becomes unavailable
- Incorrect scaling, preset, or counting-direction settings → position logic becomes invalid at system level
- Mechanical overload or excessive misalignment → lifetime and feedback stability drop
This model is built around PROFINET with Profidrive Profile 4.x and Encoder Profile 4.0 / 4.1 / 4.2, not around local pulse-only logic. The main bottleneck is therefore network integration rather than raw sensor capability. It provides 13-bit singleturn and 12-bit multiturn absolute feedback with mechanical gearing, no battery, and supports programming for resolution, time base and filter for velocity, preset, counting direction, IP address, fractional scaling, and encoder parameter control via GSDML or non-volatile memory. Its diagnostic scope also includes faults and warnings for memory, temperature, synchronization, commissioning diagnostics, invalid scaling, communication, and master’s sign of life. If these parameters are mismatched to the PLC or network structure, usable position data is lost before the encoder itself is mechanically overstressed.
Installation and Wiring Constraints
- Use the Ethernet lines Rx+ / Rx- / Tx+ / Tx- exactly as defined
- Set up the IP address and controller mapping correctly before commissioning
- Maintain sealing and installation discipline required for CE + ATEX Zone 1 & 21 (Oil+Gas) service
- Keep radial connection routing stable and isolated from avoidable mechanical stress
- Respect the minimum bend radius of 50 mm fixed and 100 mm flexing
- Do not exceed 60 N axial or 80 N radial shaft load, and stay within the stated static and dynamic misalignment limits
Failure boundary:
- IP or network configuration error → no stable PROFINET communication
- Wrong scaling or preset → incorrect absolute position in the control system
- Excess shaft load or weak hollow-shaft installation → degraded mechanical reliability
- Excessive misalignment → unstable operation and shortened service life
Replacement and Interface Mapping
- Suitable for PROFINET-based hazardous-area absolute positioning systems
- Applicable where Zone 1 / 21 approval, blind hollow shaft, and absolute feedback are required
- Not suitable where network setup, hazardous-area installation, or shaft load and misalignment control cannot be ensured
- Designed for Ethernet field integration, not for simple local pulse-only replacement.
Key Data
- Model: OCE-EIC1B-1213-E140-ARW
- Type: Absolute encoder, PROFINET
- Interface: PROFINET, 100 Mbit
- Profiles: Profidrive Profile 4.x, Encoder Profile 4.0 / 4.1 / 4.2
- Singleturn resolution: 13 bit
- Multiturn resolution: 12 bit
- Code: Binary
- Supply voltage: 10–32 VDC
- Current consumption: ≤250 mA @ 10 VDC, ≤100 mA @ 24 VDC
- Power consumption: ≤3 W
- Start-up time: <15 s
- Interface cycle time: ≥125 µs
- Sensor technology: Optical
- Flange: Blind Hollow, Ø78 mm ATEX
- Shaft: Blind Hollow, Ø14 mm, depth 30 mm
- Shaft load: 60 N axial / 80 N radial
- Max speed: ≤3000 rpm
- Protection: IP65 shaft / IP66-IP67 housing
- Temperature: -30 °C fixed, -5 °C flexing, up to +70 °C
- Approval: CE + ATEX Zone 1 & 21 (Oil+Gas)
