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

The Original New Omron CJ1W-II101 is an I/O Interface Unit for the SYSMAC CJ series programmable logic controller (PLC) platform, designed to connect expansion racks to the main CPU rack. When one or more expansion racks are required in a CJ-series system, one CJ1W-II101 unit must be mounted on each expansion rack. It connects to the CJ1W-IC101 I/O Control Unit on the CPU rack via a CS1W-CN[][]3 expansion connecting cable. This unit enables system expansion beyond the CPU rack, accommodating up to 3 expansion racks total for scalable I/O capacity. Designed for the right side of the power supply unit on the expansion rack, it provides the physical and electrical interface for additional I/O modules.

Core Engineering Highlights:
Expansion I/O interface for CJ-series systems | Required on each expansion rack | Connects to CJ1W-IC101 I/O Control Unit via CS1W-CN[][]3 cable | 0.13 A current consumption @ 5 V DC | Supports up to 3 expansion racks | 31 mm width | 90 mm height | 68 mm depth | 96 g weight | DIN rail mounting | IP20 protection | 0°C to +55°C operating temperature | UC1, N, L, CE certified

Key Features:

• Original New Omron CJ1W-II101 module

• Required on each expansion rack when connecting one or more expansion racks to the CPU rack

• One I/O Interface Unit per expansion rack; one I/O Control Unit (CJ1W-IC101) on the CPU rack

• Connects to the CJ1W-IC101 I/O Control Unit via CS1W-CN[][]3 series expansion cables

• Mounts to the right of the Power Supply Unit on the expansion rack

• Supports up to 3 expansion racks per system for scalable I/O expansion

• 0.13 A current consumption at 5 V DC

• D-Sub connector interface for reliable connection

• DIN rail mounting for control cabinet installation

• IP20 protection for control cabinet environments

• UC1, N, L, CE certified for international use

• Direct replacement for discontinued CQM1H-II101

• RoHS3 compliant

Applications:

• Multi-rack CJ-series PLC system expansion

• Connecting expansion racks to CPU rack for increased I/O capacity

• Large machine automation and control systems requiring additional I/O modules

• Factory automation and process control with distributed I/O racks

• OEM equipment requiring scalable I/O architecture

• Upgrading CJ1, CJ2, and NJ series systems with expansion racks

Technical Specifications:

System Compatibility:

• Compatible with Omron SYSMAC CJ1, CJ2, and NJ series CPU units

• Requires CJ1W-IC101 I/O Control Unit on the CPU rack

• One CJ1W-II101 I/O Interface Unit required per expansion rack

• Uses CS1W-CN[][]3 expansion connecting cables (available in 0.3 m, 0.7 m, 1 m, 2 m, 3 m, 5 m, 10 m)

• Connects to CJ-series I/O bus on expansion rack

• Mounts to the right of the power supply unit on the expansion rack

• Maximum 3 expansion racks per system

• Replacement for discontinued CQM1H-II101

Related Products:

• CJ1W-IC101 – I/O Control Unit, required on CPU rack for expansion

• CS1W-CN133 – Expansion connecting cable, 10 m

• CS1W-CN223 – Expansion connecting cable, 2 m

• CS1W-CN313 – Expansion connecting cable, 30 cm

• CS1W-CN323 – Expansion connecting cable, 3 m

• CS1W-CN523 – Expansion connecting cable, 5 m

• CS1W-CN713 – Expansion connecting cable, 70 cm

• CJ1W-PA205R – Power supply unit, 100-240 V AC, 25 W, with RUN output

• CJ1W-ID211 – 16-point DC input unit

• CJ1W-OD212 – 16-point PNP transistor output unit

• CJ1W-OC211 – 16-point relay output unit

• CJ1W-BC103 – 3-slot CPU rack

• CJ1W-BI103 – 3-slot I/O rack

PLC ERA is an independent industrial automation distributor supplying genuine Original New products through established global supply channels. All products are factory sealed when applicable and undergo quality inspection prior to shipment. Omron and SYSMAC are trademarks of Omron Corporation.