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CJ1W Series PLC Module CJ1W-SCU42 - Industrial Automation PLC

The CJ1W-SCU42 is a High-speed Serial Communications Unit from the CJ-series, functioning as a CPU Bus Unit. It is designed to connect Omron CJ-series (and NJ-series) PLCs to external serial devices, offering a versatile combination of one RS-232C port and one RS-422A/485 port with support for communication speeds up to 230.4 kbps.

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Technical Specifications Parameter Specification Product Name CJ-series Serial Communications Unit Model CJ1W-SCU42 Brand OMRON Unit Type CJ1 CPU Bus Unit (High-speed type) Communications Interface 1 x RS-232C + 1 x RS-422A/485 Protocols Protocol Macro, Host Link, NT Link (1:N mode), Serial Gateway, No-protocol, Modbus-RTU Slave Baud Rate 1,200 / 2,400 / 4,800 / 9,600 / 19,200 / 38,400 / 57,600 / 115,200 / 230,400 bps Communications Distance RS-232C: 15 m max; RS-422A/485: 1,200 m max (total cable length) Connection Configuration RS-232C: 1:1 (1:N with adapter); RS-422A/485: 1:N (32 Units max) Number of Unit Numbers 1 Current Consumption (5 VDC) 0.36 A (0.51 A max when NT-AL001 is connected) Weight Approx. 140 g max Dimensions (W × H × D) 31 × 90 × 82 mm (approx.) Operating Temperature 0°C to 55°C Standards CE, cULus (Class I Div 2), NK, Lloyd Product Status Active