The NX-AD2203 is an analog input unit in the OMRON NX series, not a power supply unit. Here are its parameter details:
General Specifications
Protection: Enclosure - mounted in a panel.
Grounding Method: Ground to 100Ω or lower.
Ambient Operating Temperature: 0 - 55°C.
Ambient Operating Humidity: 10% - 95% (no condensation or icing).
Altitude: 2,000 m or less.
Pollution Degree: 2 or less (meets IEC 61010 - 2 - 201).
Noise Immunity: 2 kV on the power supply line (conforms to IEC 61000 - 4 - 4).
Overvoltage Category: Category II (meets IEC 61010 - 2 - 201).
EMC Immunity Level: Zone B.
Vibration Resistance: Conforms to IEC 60068 - 2 - 6. 5 - 8.4 Hz (amplitude 3.5 mm), 8.4 - 150 Hz, acceleration 9.8 m/s², X, Y, Z directions each for 100 minutes (10 sweeps of 10 minutes each = 100 minutes total).
Shock Resistance: Conforms to IEC 60068 - 2 - 27. 147 m/s², X, Y, Z directions each 3 times.
Applicable Standards: cULus (listed UL 508, ANSI/ISA 12.12.01), EC (EN 61131 - 2, C - Tick, KC registration).
Analog Input Unit Specifications
Number of Points: 2 points.
External Connection Terminals: Screwless clamping terminal block (8 terminals).
I/O Refreshing Method: Free - run refreshing.
Input Method: Single - ended input.
Input Range: 4 - 20 mA.
Input Conversion Range: - 5 - 105% (full scale).
Absolute Maximum Rating: Not specified for current input, but generally should be within a reasonable range to avoid damage.
Input Impedance: For current input, it is designed to properly sense the 4 - 20 mA current signal.
Resolution: 1/8000 (full scale).
Overall Accuracy: 25°C ± 0.2% (full scale), 0 - 55°C ± 0.4% (full scale).
Conversion Time: 250 μs/point.
Dimensions: 12 (width) × 100 (height) × 71 (depth) mm.
Insulation Method: Between the input and the NX bus: Power = transformer, Signal = digital isolator (no insulation between inputs).
Insulation Resistance: 20 MΩ or more between isolated circuits (at 100 VDC).
Dielectric Strength: 510 VAC between isolated circuits for 1 minute (leakage current: 5 mA or less).
I/O Power Supply Method: Supply from the NX bus.
I/O Power Supply Terminal Current Capacity: IOV: 0.1 A/terminal max., IOG: 0.1 A/terminal max.
NX Unit Power Consumption: 1.05 W or less.
I/O Current Consumption: No consumption.
Weight: 70 g or less.