Omron NX-AD4203 Analog Input Module

The Omron NX-AD4203 is a high-density 8-channel analog input module for the NX I/O system, designed to handle 4–20 mA current loop inputs with 13-bit resolution. It is ideal for scalable process control and monitoring applications requiring reliable current input capture in a compact, space-saving design.

With support for free-running signal processing, 250 µs/channel conversion speed, and NX I/O Bus compatibility, the NX-AD4203 is the perfect solution for fast, modular current signal acquisition in modern automation systems.

Technical Specifications

Model: NXAD4203
Series: NX-Series
Product Type: Analog Input Module
Mounting Type: DIN rail (via NX I/O Bus)
Weight (Unpacked): 70 g
Dimensions (W × H × D): 12 × 104.5 × 80.1 mm
Degree of Protection: IP20 (enclosed installation recommended)

Electrical & I/O Characteristics

• Number of Analog Inputs: 8 channels
• Input Signal Type: 4–20 mA (current loop)
• Input Circuit Type: Single-ended
• Resolution: 13-bit (1:8000)
• Conversion Time: 2 ms per unit (250 µs/channel)
• Signal Processing Mode: Free running
• I/O Bus Interface: NX I/O Bus
• Input Accuracy: Refer to datasheet (typically ±0.1% F.S.)

Connection & Interface

• Connection Method: Push-in screwless terminals
• Number of I/O Connectors: 1
• Detachable Connector: No
• Wiring Type: Compact for signal cabling from field devices
• Compatible with: NX I/O CPUs and EtherCAT couplers (e.g., NX102, NX-ECC)

Environmental & Mechanical

• Operating Temperature: 0 to 55°C
• Storage Temperature: –25 to 70°C
• Operating Humidity: 10–95% RH (non-condensing)
• Vibration Resistance: IEC 60068-2-6
• Shock Resistance: IEC 60068-2-27
• Altitude Rating: Up to 2000 m

Applications

Perfect for:

• Current signal monitoring in PLC-based automation
• Analog sensor integration (flow, pressure, level)
• Process control in manufacturing lines
• Centralized or distributed I/O cabinets
• Compact control systems using Sysmac NX controllers

Key Features & Benefits

✅ 8 Inputs per Module: High I/O density for cost-efficient signal capture.

✅ 4–20 mA Current Loop Compatibility: Standardized industrial analog format.

✅ Fast Processing: 250 µs/channel ensures responsive system feedback.

✅ Push-In Terminals: Simplifies wiring with secure tool-free connections.

✅ NX Bus Integration: Seamless expansion with Sysmac platforms.

📦 Available from Drive Outlet Megastore

The Omron NX-AD4203 delivers high-resolution, high-speed analog input for 4–20 mA applications in a compact, DIN-rail ready format. Ideal for OEMs and process engineers seeking precise current signal acquisition.

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