The BL214 EtherCAT Coupler is a modular distributed I/O system designed for high-speed EtherCAT automation networks. It integrates easily with major EtherCAT master platforms such as TwinCAT, CODESYS, and Omron controllers.
Native EtherCAT slave protocol, seamless integration with mainstream control systems. Plug‑and‑play with TwinCAT, CODESYS, Omron and other EtherCAT masters.
TwinCAT · CODESYS · Omron
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Modular I/O expansion
Supports up to 32 N‑series I/O modules. DI/DO/AI/AO/temperature/pulse modules can be freely combined for flexible field I/O configuration.
up to 32 modules · flexible
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Rich signal types
Covers digital, analog, RTD, thermocouple, NTC, high‑speed pulse, PWM and more. Meets the signal acquisition and control needs of various industrial devices.
DI/DO/AI/AO/RTD/TC/PWM
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Cost‑effective EtherCAT I/O
Delivers high‑performance EtherCAT distributed I/O at a competitive price. Reduces system costs while ensuring reliable data acquisition and control.
high performance · low cost
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Industrial‑grade reliability
ESD Level 3 (±6kV/±8kV) · Surge Level 3 (1kV/2kV). Designed for harsh factory environments with stable 24/7 operation.
ESD L3 · Surge L3
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Long‑distance distributed deployment
Supports EtherCAT line topology with dual‑port cascade up to 100m per node. Significantly reduces on‑site wiring and installation costs for large distributed systems.
reduced wiring · distributed
🏭 Typical applications
⚙️ Automation Equipment I/O Expansion🏭 Smart Production Line Status Monitoring📦 Warehousing & Logistics Equipment Control🔬 Testing & Inspection Equipment
👥Who uses it? What does it solve?
🏭 OEMs
⚠️ High‑speed I/O · EtherCAT integration
✅ Native EtherCAT · 1024 I/O bytes · real‑time
🔗 System Integrators
⚠️ Multi‑station sync · legacy devices
✅ Modbus → EtherCAT · synchronized control
⛑️ Engineering & O&M
⚠️ Complex wiring · downtime · hardwired I/O
✅ Distributed I/O · tool‑free maintenance
🤖 Machine Builders
⚠️ Motion control sync · high‑speed requirements
✅ EtherCAT high‑speed · TwinCAT/CODESYS ready
📋 Core specifications
Power / consumption
24V DC · 96mA
CPU / Memory
600MHz · 1MB RAM · 8MB Flash
Ethernet
2× RJ45 (switch cascade) · 10/100M · dual‑port
RS485
Isolated · Modbus RTU master/slave
Protocol
EtherCAT (Slave) · Modbus TCP · HTTP · DHCP · DNS
Process Data Area
Max. 1024 bytes input · Max. 1024 bytes output
I/O expansion
Up to 32 N‑series modules (DI/DO/AI/AO/RTD/TC/PWM)
Immunity level
ESD L3 (±6kV/±8kV) · Surge L3 (2kV/4kV)
Operating temperature
-20 ~ 55 °C (cold start -40°C)
Dimensions (W×D×H)
26 × 74.9 × 104.5 mm · ultra‑slim
Mounting / protection
DIN‑rail 35mm · IP20
Terminal blocks
Detachable · tool‑free wiring · AWG 22–14
💎Acquire · Convert · Sync — BL214 brings high‑speed EtherCAT connectivity to distributed I/O. 600MHz CPU, 1024 I/O bytes, and plug‑and‑play with TwinCAT, CODESYS, Omron. Built for synchronized motion and control.
N‑Series I/O · Quick Selector
Select coupler + add I/O modules as needed · auto power calculation