Product Overview
In harsh industrial environments, reliable signal acquisition is critical. The ABB AI910N redundancy module (article number 3KDE175513L9100) delivers precise analog input capabilities for 4...20 mA loop-powered 2-wire transmitters. Designed for the S900 I/O system, the AI910N operates in safe (non-hazardous) areas and communicates via PROFIBUS DP, ensuring seamless integration with your control system.
This ABB AI910N module features four channels, each providing electrical isolation between input/bus and input/power. Its robust construction includes G3 coating for corrosive atmospheres, making it suitable for demanding applications. With hot swap functionality and hot configuration in run, you can maintain uptime without interrupting operations.
Key Features & Benefits
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Redundancy (Power and Communication) – Enhances system reliability
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Hot Configuration in Run – Modify parameters without stopping the process
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Hot Swap functionality – Replace modules during operation
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Extended Diagnostic – Quick fault identification
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FDT/DTM support – Excellent configuration and diagnostics
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G3 coating – Protects against corrosive environments
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Auto-diagnostics – Simplified maintenance
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Power supply for 2-wire transmitters – Integrated loop power
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Short and break detection – Immediate fault alerts
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Common return for all inputs – Simplified wiring
Technical Specifications
| Parameter |
Value |
| Article Number |
3KDE175513L9100 |
| Type |
Analog Input |
| Number of Channels |
4 |
| Signal Type |
4...20 mA |
| HART |
No |
| SOE |
N/A |
| Redundancy |
No |
| Intrinsic Safety |
No |
| Mechanics |
S900 |
| CE Mark |
Yes |
| Corrosive Atmosphere |
ISA-S71.04 G3 |
| Relative Humidity |
Max 93% ±3% at 40 °C |
| Max Ambient Temperature |
-20 °C...60 °C |
| RoHS Compliance |
DIRECTIVE/2011/65/EU (EN 50581:2012) |
| WEEE Compliance |
DIRECTIVE/2012/19/EU |
| WEEE Category |
Small Equipment (No External Dimension More Than 50 cm) |
| Width |
20 mm (0.79 in.) |
| Depth |
104 mm (4.09 in.) |
| Height |
104 mm (4.09 in.) |
| Weight |
0.13 kg (0.29 lbs.) |
Industry Applications
The ABB AI910N excels in process industries where accurate 4...20 mA signal measurement is essential. Common applications include:
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Oil & Gas – Monitoring pressure and flow transmitters in remote field installations
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Chemical Processing – Acquiring level and temperature signals from loop-powered devices
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Water Treatment – Tracking flow rates and tank levels for process control
Because the S900 I/O system mounts directly in the field, the AI910N reduces marshalling and wiring costs. This makes it an ideal choice for distributed architectures.
Installation & Setup Guidance
Install the ABB AI910N on a standard S900 mounting rail. Ensure the module is in a safe (non-hazardous) area, as it is type N. Connect the 4...20 mA loop-powered transmitters to the input terminals, observing the common return. Use the integrated disconnection mechanisms to replace modules without de-energizing the primary voltage. For PROFIBUS DP communication, terminate the bus correctly and set the node address via the configuration tool.
Maintenance & Reliability
The AI910N simplifies maintenance with auto-diagnostics and hot swap capability. Regularly inspect the module for dust or contamination, especially in G3 corrosive environments. The G3 coating protects internal components, but keep the enclosure clean. Check the PROFIBUS DP connection status via the diagnostic LEDs. With proper care, the module delivers long service life, reducing total cost of ownership.
Compatibility & Integration
The ABB AI910N integrates with any control system supporting PROFIBUS DP. It is part of the S900 I/O family, which communicates with the control system level using the PROFIBUS DP standard. Use FDT/DTM for configuration and diagnostics. This module is compatible with standard S900 accessories and mounting hardware.
Selection Guide & Purchasing Advice
Before purchasing the ABB AI910N, verify your system requirements: confirm the signal type (4...20 mA), channel count (4), and environmental conditions. Ensure your control system supports PROFIBUS DP. For bulk or urgent needs, contact PLC Source PRO for availability and competitive pricing.