Omron CJ1W-II101 CJ Series Expansion I/O Interface Unit

Omron CJ1W-II101 is an expansion I/O interface unit for the SYSMAC CJ series PLC system. Mounts on the left side of an expansion I/O rack to connect the expansion rack to the CPU rack or to another expansion rack. Supports up to 3 expansion racks per CPU system. Enables expansion of I/O capacity beyond the base CPU rack.

Applications:

• Multi‑rack configuration for large I/O count applications

• Distributed I/O for material handling and conveyor systems

• Expansion of I/O points in packaging machinery and production lines

• Scalable automation systems requiring additional I/O slots

Core Specifications:

• Product type: Expansion I/O interface unit

• Compatible racks: CJ series I/O racks (CJ1W-BI series)

• Number of expansions per CPU: up to 3 expansion racks (max. I/O points 2560)

• Mounting position: left side of expansion rack

• Connection: connects to adjacent rack via ribbon cable (CJ1W-CN___ series)

• Current consumption: 0.1 A at 5 V DC

• Dimensions (W × H × D): 22 mm × 90 mm × 85 mm

• Weight: approx. 70 g

• Operating temperature: 0 °C … 55 °C

Advanced Specifications:

• External connection: via cable connector

• Mounting: DIN rail (35 mm)

• Certification: CE, cULus, Lloyd, NK, RoHS

System Integration:

• This expansion I/O interface unit belongs to the Omron SYSMAC CJ series.

• Installed on the left side of an expansion I/O rack.

• Connects the expansion rack to the CPU rack or to another expansion rack using a CJ1W-CN___ series ribbon cable.

• Up to 3 expansion racks can be connected to a CJ series CPU.

• Requires a CJ series power supply unit on the expansion rack (e.g., CJ1W-PA202) and a CPU rack with power supply and CPU unit.

Related Products:

• CJ1W-PA202 – Power supply unit for expansion rack, 100‑240 V AC, 14 W

• CJ1W-BI103 – 3‑slot I/O rack for CJ series

• CJ1W-BI103C – 3‑slot I/O rack with connector

• CJ1W-BI083 – 8‑slot I/O rack

• CJ1W-BI033 – 3‑slot I/O rack, 85 mm height

• CJ1W-CN223 – Connecting cable, 2 m length