Omron NX-ECC202 is an EtherCAT slave coupler unit for the NX series I/O system. Connects up to 63 NX I/O units to an EtherCAT network as a single slave node. Supports Distributed Clock (DC) for synchronized I/O refreshing. Two RJ45 EtherCAT ports for daisy‑chain topology. DIN rail mounting. Delivered with end cover. Applications: Machine automation and high‑speed control systems Factory network integration for distributed I/O Real‑time data communication with EtherCAT master controllers Packaging machinery, robotics, and process control systems Core Specifications: Number of connectable NX Units: 63 max. Communications cycle (DC Mode): 125 μs to 10,000 μs (configurable) I/O jitter performance: Inputs 1 μs max., Outputs 1 μs max. Send/receive PDO data sizes: 1,024 bytes max. each Mailbox data size: Input 256 bytes, Output 256 bytes Number of EtherCAT ports: 2 × RJ45 (100BASE‑TX) USB port: 1 (programming and configuration) Node address setting range: rotary switches 1–199 / Sysmac Studio 1–512 Power Supply Specifications: Unit power supply voltage: 24 V DC (range 20.4 … 28.8 V DC) NX Unit power supply capacity: 10 W max. NX Unit power supply efficiency: 70% Maximum I/O power supply current: 10 A I/O power supply voltage: 5 … 24 V DC (range 4.5 … 28.8 V DC) Current capacity of power supply terminals: 4 A max. Power consumption (NX Unit power): 1.45 W max. Isolation: No isolation between NX Unit power supply and unit power supply terminals Refreshing Methods: Free‑Run refreshing Synchronous I/O refreshing Time stamp refreshing Task period prioritized refreshing Environmental & Physical Specifications: Enclosure: Mounted in a panel (IP20) Mounting: DIN rail (35 mm) Termination style: RJ45 (communication), spring terminal (power) Ambient operating temperature: 0 °C … 55 °C Ambient operating humidity: 10% … 95% (non‑condensing, no icing) Ambient storage temperature: –25 °C … 70 °C Altitude: 2,000 m max. Pollution degree: 2 or less (IEC 61010‑2‑201) Vibration resistance: 3.5‑mm amplitude at 5 … 8.4 Hz, 9.8 m/s² at 8.4 … 150 Hz (IEC 60068‑2‑6) Shock resistance: 147 m/s², 3 times each in X, Y, Z directions (IEC 60068‑2‑27) Dimensions (W × H × D): 46 mm × 100 mm × 71 mm Weight: approx. 170 g Compatibility information: This coupler belongs to the Omron NX series I/O system. Connects to an EtherCAT master (e.g., NJ/NX/NY series CPU units) via two RJ45 ports. Up to 63 NX I/O units (digital, analog, safety) can be connected to a single coupler. Supports mixed use of standard and high‑performance NX units. Configuration and diagnostics performed using Sysmac Studio automation software via USB port. Related Products: NX‑ID5442 – 16‑point PNP digital input unit NX‑OD5256 – 16‑point PNP digital output unit NX‑AD3603 – 4‑channel analog input unit NX‑PF0630 – Additional I/O power supply unit (4 A, 5‑24 V DC) NX‑PD1000 – Additional NX unit power supply (24 V DC, 10 W)
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