Omron CJ1W-MAD42 CJ Series Analog I/O Unit 4 Inputs 2 Outputs Screw Terminal

Omron CJ1W-MAD42 is an analog input/output unit for the SYSMAC CJ series modular PLC system. Four input channels and two output channels, configurable for voltage (±10 V, 0 … 10 V, 0 … 5 V, 1 … 5 V) or current (4 … 20 mA). Resolution selectable 1/4000 (scalable to ±32000) or 1/8000. Removable screw terminal block for field wiring. Fits the CJ I/O bus as a CJ‑series Special I/O Unit. Suitable for process control, machine monitoring, and industrial measurement applications.

Applications:

• Process variable monitoring (pressure, flow, level)

• Machine automation and industrial control systems

• Analog signal conversion for OEM equipment

• Data acquisition and quality control stations

Core Specifications:

• Product type: CJ‑series Special I/O Unit (Analog I/O Unit)

• Number of analog inputs: 4

• Number of analog outputs: 2

• Input ranges (voltage): –10 to 10 V, 0 to 10 V, 0 to 5 V, 1 to 5 V

• Input ranges (current): 4 to 20 mA

• Output ranges (voltage): –10 to 10 V, 0 to 10 V, 0 to 5 V, 1 to 5 V

• Output ranges (current): 4 to 20 mA

• Resolution: 1/4000 or 1/8000 (selectable)

• Accuracy (voltage input): ±0.2% of full scale at 25 °C

• Accuracy (current output): ±0.3% of full scale at 25 °C

• Connection: Removable screw terminal block

• Current consumption (5 V DC): 0.58 A

• Protection rating: IP20

• Dimensions (W × H × D): 31 mm × 90 mm × 85 mm

• Weight: approx. 150 g

• Operating temperature: 0 °C … 55 °C

Advanced Specifications:

• Input impedance: voltage mode ≥ 1 MΩ, current mode 250 Ω

• Output load: voltage mode ≥ 1 kΩ, current mode ≤ 600 Ω

• A/D conversion speed: depending on conversion cycle setting (refer to product manual)

• D/A conversion speed: depending on conversion cycle setting (refer to product manual)

• Mounting: DIN rail (35 mm)

• Certifications: refer to manufacturer official documentation

Compatibility information:

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

• Installs on CPU Rack or Expansion Rack via CJ I/O bus.

• Configured in CX‑Programmer (I/O Table and Unit Setup).

• Signal range selection is performed via memory area settings or support software.

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