CJ1W-MD261

Overview of Omron CJ1W-MD261

The Omron CJ1W-MD261 is a mixed digital input/output expansion unit designed for the CJ-series PLC system. It features 32 digital inputs and 32 transistor outputs, with NPN output configuration. The input voltage range is 20.4 to 26.4 V DC, and the outputs are short-circuit protected with a maximum output current of 0.3 A per point and 3.2 A total. The module uses FCN connectors for I/O connection (not included), offering easy integration within industrial control systems.

Key Features of Omron CJ1W-MD261

• Number of Inputs: 32 digital inputs, PNP/NPN compatible.
• Number of Outputs: 32 transistor outputs, NPN.
• Output Current: 0.3 A per point, 3.2 A maximum total.
• Input Voltage Range: 20.4 to 26.4 V DC.
• Output Voltage Range: 10.2 to 26.4 V DC.
• Protection: Short-circuit protected outputs.
• I/O Connection Type: FCN connectors (plugs not included).
• OFF/ON delay: Adjustable 0-32 ms.
• Weight: 110 g.
• Dimensions (Unpacked): 90 mm (H) × 31 mm (W) × 66.5 mm (D).

Technical Specifications of Omron CJ1W-MD261

Model	CJ1W-MD261
Digital Inputs	32 points (PNP/NPN)
Digital Outputs	32 points, transistor NPN
Input Voltage Range	20.4 to 26.4 V DC
Output Voltage Range	10.2 to 26.4 V DC
Output Current	0.3 A per point, 3.2 A max total
Protection	Short-circuit protected outputs
I/O Connection Type	FCN connectors (plug not included)
OFF/ON Delay Time	0-32 ms (adjustable)
Dimensions	90 × 31 × 66.5 mm
Weight	110 g

Applications / Use Cases

The CJ1W-MD261 module is ideal for expanding the digital I/O capabilities of Omron CJ-series PLCs in manufacturing automation, process control, and other industrial automation systems that require mixed input/output handling in a compact and modular design.

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Verification Links:
https://industrial.omron.eu/en/products/CJ1W-MD261
https://www.omron-ap.com/products/family/2056/specification.html
https://www.digikey.com/en/products/detail/omron-automation-and-safety/CJ1W-MD261/2653608