Description
The Omron NX-AD4203 is an NX Series analog input module designed for high-accuracy current signal acquisition in industrial automation systems. It provides eight 4–20 mA analog input channels with stable conversion performance for precise process monitoring. This module is used in distributed I/O architectures where reliable analog measurement is required.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Omron |
| Category |
Programmable Logic Controllers |
| Part Number |
NX-AD4203 |
| Subcategory |
PLC I/O Modules |
| I/O System |
NX I/O Bus |
| Module Type |
Analog Input Module |
| Number of Analog Inputs |
8 |
| Input Signal Type |
4–20 mA |
| Input Circuit Type |
Single-ended |
| Analog Input Resolution |
13 Bit |
| Conversion Time |
2 ms per unit |
| Signal Processing |
Free running |
| Connection Type |
Push-in terminals |
| Degree of Protection |
IP20 |
| Module Width |
12 mm |
| Weight |
70 g |
Information About NX-AD4203
The NX-AD4203 is an analog input module from Omron’s NX I/O Series, developed for use with NX controllers and EtherCAT-based systems. It features a compact, slim design suitable for high-density control panels and modular automation layouts. The module supports single-ended current inputs and free-running signal processing for continuous data acquisition. It is commonly applied in process control, machine monitoring, and industrial measurement applications.
Key Features:
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Eight Analog Input Channels: Supports up to 8 independent current inputs for multi-signal acquisition
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4–20 mA Input Range: Compatible with standard industrial current loop sensors
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13-Bit Resolution: Ensures accurate and stable analog-to-digital conversion
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Fast Conversion Time: 2 ms per unit for responsive signal processing
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NX I/O Bus Interface: Designed for seamless integration into Omron NX systems
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Push-In Terminal Connection: Enables fast, tool-less wiring and secure connections
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Compact 12 mm Width: Saves panel space in high-density installations
The NX-AD4203 delivers the reliability and precision required for industrial analog signal monitoring and control systems.