ABB ax521-xc:s500, analog input/output module 4ai/4ao, u/i/rt

ABB ax521-xc:s500, analog input/output module 4ai/4ao, u/i/rt

ABB AX521-XC is an 8-channel analogue input/output module with 4 analogue inputs and 4 analogue outputs for S500-XC and AC500-XC automation systems.

SKU: AX521-XCAlt SKU: AX521-XCMPN: 1SAP450100R0001
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List Price £424.00 ex VAT
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Why Choose the ABB AX521-XC Analog Input/Output Module?

The ABB AX521-XC, part number 1SAP450100R0001, is a flexible 8-channel analogue input/output module designed for ABB S500-XC and AC500-XC automation systems. It combines 4 configurable analogue inputs and 4 configurable analogue outputs in one compact module, providing a practical interface for industrial measurement and control applications.

The AX521-XC supports voltage, current and Pt100 signals on its analogue inputs, while the analogue outputs support voltage and current signals. With 12-bit resolution including sign and 2-wire signal connection, the module provides flexible analogue signal handling for machinery, process automation and industrial control systems.

As an XC version, the AX521-XC is intended for automation applications requiring equipment designed for extreme environmental conditions. The module is module-wise galvanically isolated and can be used for central or decentralised S500-XC I/O expansion within suitable ABB AC500-XC architectures.

Key Advantages

  • Combines 4 analogue inputs and 4 analogue outputs in a single module.
  • Supports voltage, current and Pt100 signals for flexible field instrumentation.
  • 12-bit resolution including sign for analogue signal conversion.
  • XC design for demanding industrial and extreme-environment applications.
  • Module-wise galvanic isolation for enhanced system integration.
  • Compact S500-XC architecture reduces the need for separate input and output modules.
  • Suitable for central and decentralised I/O expansion in ABB AC500-XC systems.

Key Features

  • ABB S500-XC analogue input/output module.
  • 4 configurable analogue inputs.
  • 4 configurable analogue outputs.
  • Analogue input signals: voltage, current and Pt100.
  • Analogue output signals: voltage and current.
  • 12-bit resolution including sign.
  • 2-wire signal connection.
  • Module-wise galvanic isolation.
  • LED indication for analogue input and output signal states.
  • Dedicated process supply status indication and error LEDs.
  • DIN rail mounting for straightforward installation in control cabinets.
  • XC version designed for extreme environmental conditions.

Flexible Analogue I/O for Industrial Automation

The ABB AX521-XC provides a combination of analogue signal acquisition and control in a single S500-XC module. Its four analogue inputs can interface with voltage, current and Pt100 measurement signals, while four analogue outputs provide voltage and current control signals to connected field devices.

This integrated analogue I/O configuration makes the AX521-XC suitable for industrial control systems where both measurement and analogue command signals are required. Its XC construction and module-wise galvanic isolation support reliable integration into demanding ABB AC500-XC automation architectures.

Typical Applications

  • Industrial process measurement and control.
  • Temperature monitoring using Pt100 sensors.
  • Pressure, flow and level instrumentation.
  • Analogue actuator and control signal generation.
  • Machine automation and production equipment.
  • AC500-XC PLC control systems.
  • Central S500-XC I/O expansion.
  • Decentralised industrial automation installations.
  • Extreme-environment industrial control applications.

Technical Specifications

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Signal / Input Range Pt100
Product Series ABB AC500-XC
Device Type Analogue I/O Module
Analogue I/O 4 AI / 4 AO
Signal Type / Function Analogue, Temperature (RTD/TC)
Number of I/O 8
Manufacturer ABB
Series S500-XC / AC500-XC
Model AX521-XC
Product type Analogue input/output module
Product ID 1SAP450100R0001
Analogue inputs 4
Analogue outputs 4
Input signal types Voltage, current and Pt100
Output signal types Voltage and current
Resolution 12 bits including sign
Connection 2-wire
Isolation Module-wise galvanically isolated
Process supply 24 V DC
Mounting DIN rail
XC version Designed for extreme environmental conditions
Dimensions approximately 135 × 84.5 × 76 mm
HS Code 85389091
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB AX521-XC 1SAP450100R0001 used for?

The ABB AX521-XC is an analogue input/output module used in S500-XC and AC500-XC automation systems to acquire voltage, current and Pt100 signals and provide voltage and current analogue outputs.

How many analogue inputs and outputs does the AX521-XC provide?

The AX521-XC provides 4 configurable analogue inputs and 4 configurable analogue outputs, giving the module eight analogue channels in total.

What input signals does the ABB AX521-XC support?

The analogue inputs support voltage, current and Pt100 signals, providing flexible interfacing with common industrial sensors and measurement devices.

What output signals does the AX521-XC support?

The four analogue outputs support voltage and current signals for interfacing with analogue-controlled field devices and actuators.

Is the ABB AX521-XC suitable for extreme environmental conditions?

Yes. The AX521-XC is the XC version of the AX521 analogue input/output module and is designed for ABB AC500-XC and S500-XC applications requiring equipment for extreme environmental conditions.

Trusted by Automation Professionals Worldwide

ABB S500-XC analogue I/O modules provide flexible signal acquisition and control for AC500-XC automation systems, combining multiple analogue channels in compact modules suited to demanding industrial environments.