Why Choose the ABB TA5123-2AI-RTW Analogue Input Option Board?
The ABB 1SAP187100R0202 TA5123-2AI-RTW is a high-precision analogue input option board designed for ABB AC500-eCo programmable logic controllers. It expands controller functionality by providing two dedicated RTD analogue input channels, enabling accurate temperature measurement and process monitoring in industrial automation applications. The module is specifically designed for engineers requiring precise thermal monitoring and control within machinery, manufacturing systems and process environments.
As part of the ABB AC500-eCo platform, the TA5123-2AI-RTW offers a compact and cost-effective method of adding specialised temperature sensing capabilities without requiring larger expansion modules. Its direct integration with compatible controllers simplifies installation while maintaining reliable performance in demanding industrial environments.
Featuring 2 RTD analogue inputs, 16-bit resolution and a wide temperature design, the TA5123-2AI-RTW delivers highly accurate signal acquisition for industrial temperature monitoring systems. Spring terminals are included to provide fast, secure and dependable field wiring connections.
Key Advantages
Compact RTD analogue input expansion board for AC500-eCo PLCs.
2 dedicated RTD analogue input channels.
16-bit resolution for high measurement accuracy.
Wide temperature version for demanding industrial applications.
Spring terminal connections included.
Direct integration with compatible AC500-eCo controllers.
Reliable ABB industrial automation quality.
Key Features
ABB TA5123-2AI-RTW analogue input option board.
2 RTD analogue input channels.
16-bit analogue resolution.
Designed for temperature measurement applications.
Wide temperature (W) version.
Compatible with ABB AC500-eCo PLCs.
Spring terminal technology included.
Compact internal option-board design.
Suitable for industrial automation systems.
Precision RTD Temperature Monitoring for Industrial Processes
The TA5123-2AI-RTW is specifically engineered for applications requiring accurate temperature measurement using RTD sensors. The dedicated RTD input design allows precise monitoring of thermal processes, helping operators maintain product quality, improve process efficiency and protect critical equipment.
Its 16-bit resolution provides excellent measurement accuracy, while the wide temperature specification ensures dependable operation in challenging industrial environments. This makes the module particularly suitable for manufacturing, process control and machine automation systems where reliable temperature feedback is essential.
Typical Applications
Industrial temperature monitoring.
Process control systems.
Machine automation applications.
Heating and cooling systems.
Manufacturing process monitoring.
Industrial control panels.
OEM machinery and equipment.
Technical Specifications
IP Rating
IP20
Series
AC500-eCo Accessories
Product ID
1SAP187100R0202
Product type
Analogue input option board
Analogue inputs
2 RTD inputs
Input type
RTD temperature sensors
Resolution
16 Bit
Terminal type
Spring terminals
Compatible platform
ABB AC500-eCo PLC
Mounting type
Internal option board
Protection rating
IP20
Dimensions (H × W × D)
42 × 28.5 × 54.2 mm
Weight
approx. 0.019 kg
HS Code
85389091
Country of Manufacture
Germany
Frequently Asked Questions
What is the ABB TA5123-2AI-RTW used for?
The TA5123-2AI-RTW expands a compatible AC500-eCo PLC by providing 2 RTD analogue input channels for accurate temperature measurement and monitoring.
What type of sensors does the module support?
The module is designed specifically for RTD temperature sensors.
What resolution does the module provide?
The analogue inputs provide 16-bit resolution for highly accurate temperature measurement applications.
What does the W designation indicate?
The W designation identifies the module as a wide temperature version suitable for demanding industrial environments.
Which PLC platform is compatible with this option board?
The module is designed specifically for compatible ABB AC500-eCo programmable logic controllers.
Trusted by Automation Engineers Worldwide
ABB AC500-eCo analogue expansion modules deliver precise measurement performance and reliable operation, helping engineers implement accurate temperature monitoring and process control systems across a wide range of industrial applications.
IP Rating
IP20
Series
AC500-eCo Accessories
Product ID
1SAP187100R0202
Product type
Analogue input option board
Analogue inputs
2 RTD inputs
Input type
RTD temperature sensors
Resolution
16 Bit
Terminal type
Spring terminals
Compatible platform
ABB AC500-eCo PLC
Mounting type
Internal option board
Protection rating
IP20
Dimensions (H × W × D)
42 × 28.5 × 54.2 mm
Weight
approx. 0.019 kg
HS Code
85389091
Country of Manufacture
Germany
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...