OCD-EEC1B-0013-B14A-PSM EtherCAT Single-Turn Encoder, 14 mm Hollow Shaft

We developed a custom solution for model OCD-EEC1B-0013-B14A-PSM. Selected when single-turn absolute feedback is required over EtherCAT, using a 58 mm blind hollow structure with 14 mm shaft, without introducing multi-turn complexity or parallel signal mapping. Typical production lead time: 15 working days.

Key Specifications

• Interface: EtherCAT
• Resolution: 13-bit single-turn (Gray)
• Supply: 10–30 VDC
• Protection: IP66/IP67
• Structure: 58 mm blind hollow, 14 mm shaft, 30 mm depth
• Connection: dual M12 network ports
• Speed: up to 3000 rpm

Decision Snapshot

• Best for: EtherCAT distributed motion systems requiring absolute position without scaling overhead
• Key fit: 14 mm hollow shaft, compact blind hollow installation, network-based architecture
• Avoid if: multi-turn retention or non-EtherCAT control systems are required

Custom Solution Photos

Encoder structure reference: blind hollow flange with dual M12 EtherCAT ports, radial layout.

Bus Configuration & Communication

EtherCAT replaces parallel bit mapping with cyclic network data exchange.
Primary integration value: deterministic communication and simplified wiring.
Primary risk: incorrect device mapping or topology break in daisy-chain layout.

Mechanical & Installation Focus

Blind hollow mounting shifts precision from coupling to shaft alignment.
Primary constraint: insertion depth + concentricity must be controlled together.
On 14 mm shafts, tolerance stack-up is less forgiving than solid shaft mounting.

Wiring & Bus Topology

Dual-port EtherCAT allows line topology.
Check sequence: power → port continuity → device scan → PDO mapping.
Primary issue is always network recognition, not encoder output.

Integration & Compatibility

• EtherCAT motion systems
• Blind hollow installations
• Direct absolute feedback without conversion
• Not suitable for multi-turn or analog/parallel systems

Lead Time

Typical production lead time: 15 working days.

Key Technical Data