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- AX521
- Analog Input/Output Module
- Sweden
- 100 mm × 130 mm × 50 mm
- 1kg
- 1SAP250100R0001
- Xiamen, China
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ABB AX521 (1SAP250100R0001) — Detailed Product Overview, Specifications, and Applications
Product Overview
The ABB AX521 (1SAP250100R0001) is an advanced analog input/output (I/O) module designed for industrial automation systems. It provides high-precision acquisition and control of analog signals in distributed control systems (DCS), programmable logic controllers (PLC), and industrial monitoring frameworks. The AX521 module bridges field-level instrumentation and higher-level automation controllers, ensuring reliable, accurate, and fast signal processing for critical applications.
Constructed for industrial environments, AX521 offers robust signal conditioning, enhanced electrical isolation, and stable performance under temperature fluctuations, vibrations, and electromagnetic interference. Its modular design allows seamless integration into control cabinets, racks, or DIN-rail systems, offering flexibility for small to large automation projects.
Brand and Product Series
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Brand: ABB
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Product Series: AX500 Series Analog Modules
The AX500 series encompasses a variety of analog input and output modules tailored for high-accuracy measurement, process control, and industrial automation. These modules are widely used in applications requiring precise analog signal acquisition, signal conversion, and integration with distributed control networks.
Product Introduction
The AX521 module is specifically designed for analog input/output operations, supporting multiple channels and high-resolution signal acquisition. It converts analog voltage or current signals into digital values that can be processed by automation systems. The module features high channel density, fast conversion times, and advanced diagnostics for monitoring operational status and channel performance.
With its compact dimensions and standardized mounting, AX521 is easy to integrate into modular racks or DIN rail setups, providing system designers with flexibility while maintaining a low footprint. The module is suitable for real-time industrial monitoring, process automation, and energy management applications.
Product Applications
Process Automation
AX521 is widely used in chemical, pharmaceutical, and food processing plants to acquire signals from temperature, pressure, flow, and level sensors.
Factory and Machine Automation
The module monitors feedback from production machinery, assembly lines, and quality inspection systems, ensuring precise control over manufacturing processes.
Energy and Power Systems
AX521 collects voltage, current, and other analog data from power generation and distribution systems for monitoring and control purposes.
Environmental Monitoring
It can be deployed in building automation systems, water treatment plants, and HVAC systems to track environmental variables and optimize operations.
Laboratory and Test Applications
AX521 is suitable for data acquisition in laboratory testing, research environments, and test benches where high accuracy and stability are required.
Product Advantages
High Accuracy
Offers precise analog-to-digital conversion with minimal error, suitable for critical process monitoring.
Modular Flexibility
Compact design supports DIN rail or rack mounting, facilitating easy installation and system expansion.
Industrial Robustness
Designed to withstand electromagnetic interference, vibrations, and temperature changes in demanding industrial environments.
Advanced Diagnostics
Includes status LEDs for power and channel activity, allowing maintenance teams to quickly identify issues.
Scalable Integration
Works seamlessly with other modules in the AX500 series to support scalable industrial automation systems.
Technical Specifications
| Specification | Details |
|---|---|
| Model | AX521 (1SAP250100R0001) |
| Module Type | Analog Input/Output Module |
| Number of Channels | 16 analog input channels, 8 analog output channels |
| Input Signal Types | Voltage: ±10 V, 0–10 V; Current: 4–20 mA, 0–20 mA |
| Output Signal Types | Voltage: 0–10 V; Current: 4–20 mA |
| Resolution | 16-bit |
| Sampling Time | ~20 ms per input channel |
| Accuracy | ±0.1% of full scale |
| Power Consumption | 6.0 W |
| Operating Temperature | –20°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Isolation | Channel-to-system isolation |
| Dimensions (H×W×D) | 100 mm × 130 mm × 50 mm |
| Weight (kg) | 1.0 kg |
| Mounting Method | DIN rail / Modular rack |
| Status Indicators | Power and channel LEDs |
Related Models — Same Series or Similar Function
| Model | Channels | Input/Output Type | Resolution | Power (W) | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| AX511 | 8 in / 4 out | Voltage / Current | 16-bit | 4.0 | 100 × 130 × 45 | 0.85 |
| AX515 | 8 in / 8 out | Voltage / Current | 16-bit | 4.5 | 100 × 130 × 50 | 0.90 |
| AX520 | 16 in / 4 out | Voltage / Current | 16-bit | 5.5 | 100 × 130 × 50 | 0.95 |
| AX525 | 16 in / 8 out | Voltage / Current | 16-bit | 6.0 | 100 × 130 × 55 | 1.05 |
| AX530 | 32 in / 8 out | Voltage / Current | 16-bit | 7.0 | 120 × 140 × 60 | 1.20 |
Other Popular Models — Same Brand
| Model | Function | Channels/Outputs | Resolution/Type | Power (W) | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| DI810 | Digital Input Module | 16 digital inputs | Digital | 2.0 | 90 × 120 × 25 | 0.32 |
| DO810 | Digital Output Module | 16 digital outputs | Digital | 2.0 | 90 × 120 × 25 | 0.33 |
| AO820 | Analog Output Module | 16 analog outputs | 16-bit | 3.0 | 90 × 120 × 40 | 0.50 |
| AI880 | Analog Input Extended Range | 8 input channels | 16-bit | 2.0 | 90 × 120 × 30 | 0.35 |
| CI840 | Communication Interface Module | Network interface | Fieldbus / Ethernet | 3.5 | 90 × 120 × 40 | 0.60 |
Frequently Asked Questions (FAQ)
Q1: How many input and output channels does AX521 support?
A1: It has 16 analog input channels and 8 analog output channels.
Q2: What types of analog signals are compatible with AX521?
A2: Voltage: ±10 V, 0–10 V; Current: 4–20 mA, 0–20 mA.
Q3: What is the module’s resolution?
A3: The AX521 provides 16-bit resolution for precise measurement and control.
Q4: What is the operating temperature range of the module?
A4: –20°C to +60°C.
Q5: How much does AX521 weigh?
A5: Approximately 1.0 kg.
Q6: Can AX521 be mounted on a DIN rail?
A6: Yes, it supports both DIN rail and modular rack mounting.
Q7: Does the module provide status indicators?
A7: Yes, it has LEDs indicating power and channel status.
Q8: What is the power consumption of AX521?
A8: Typical power consumption is 6.0 W.
Q9: Is AX521 suitable for industrial environments with electrical noise?
A9: Yes, it includes isolation and signal conditioning for robust operation.
Q10: Can AX521 be integrated into larger modular automation systems?
A10: Yes, it is designed for scalable integration within AX500 series systems.