NX-AD3203 Omron Analog Input Unit

The NX-AD3203 is a 4-channel analog input module for Omron’s NX-series distributed I/O platform. It accepts 4 to 20 mA single-ended current inputs and offers fast signal conversion at 250 µs per channel with 13-bit resolution, making it ideal for accurate process control and industrial monitoring applications.

Housed in a compact 12 mm-wide enclosure, the unit features screwless push-in connectors for rapid, tool-free wiring and integrates directly into NX I/O Bus systems used in NJ/NX series controllers.

Technical Specifications

Model: Omron AD3203
Product Type: Analog Input Unit
I/O System Compatibility: NX I/O Bus
Number of Analog Inputs: 4
Input Signal Type: 4 to 20 mA
Input Circuit Type: Single-ended
Resolution: 13-bit (1:8000)
Conversion Time: 250 µs per channel
Signal Processing Mode: Free running
Analog Outputs: None
Temperature Inputs: Not supported

Electrical Specifications

• Power Supply Voltage: Supplied via NX internal bus
• Input Impedance: Approx. 250 Ω
• Power Consumption: Approx. 0.80 W
• Input Isolation: Channel-to-bus isolation
• Overvoltage Protection: Built-in per channel

Mechanical Specifications

• Mounting Type: DIN-rail
• Dimensions (H × W × D): 104.5 × 12 × 80.1 mm
• Weight: 70 g
• Terminal Type: Screwless push-in connector
• Number of Connectors: 1
• Detachable Connector: No
• Enclosure Type: Modular plastic housing

Environmental Conditions

• Operating Temperature: 0 to 55°C
• Storage Temperature: –25 to 70°C
• Operating Humidity: 10% to 95% RH (non-condensing)
• Vibration Resistance: IEC 60068-2-6 compliant
• Shock Resistance: IEC 60068-2-27 compliant
• Protection Rating: IP20 (when panel mounted)

Standards & Compliance

• Certifications: CE, RoHS, cULus
• Standards Met: EN61010-2-201, EN61131-2
• SIL Level: Not applicable (non-safety module)

Key Features & Benefits

✅ 4 Current Inputs. Accepts 4–20 mA single-ended signals for analog process monitoring.

✅ High-Speed Conversion. 250 µs per channel for real-time performance.

✅ Compact 12 mm Width. Saves DIN-rail space in dense control cabinets.

✅ Push-In Terminals. Enables fast, tool-free wiring for improved installation efficiency.

✅ NX-Series Integration. Seamlessly connects to NX/NJ controllers and EtherCAT networks.

📦 Available Now from Drive Outlet Megastore

The Omron NX-AD3203 is the smart choice for compact, high-speed current signal acquisition in industrial automation environments. Perfect for OEMs, machine builders, and system integrators needing reliable analog input in space-constrained applications.

Request a quote or contact our team for expert support and real-time stock availability.

Accurate input. Minimal footprint. Built for control. – Drive Outlet Megastore