Product Overview
The 170AAI12001 is an analog input base module from Schneider Electric’s Modicon Momentum series. It provides eight configurable voltage or current input channels for industrial control systems. Engineers choose this module when they need compact, flexible analog signal acquisition at the edge of a control cabinet. Because the product is discontinued, buyers should treat it as a replacement or spares item rather than a new design component.

Key Technical Specifications
Four parameters define how this module performs in real installations.
Eight Configurable Input Channels
The module offers eight channels, each configurable for voltage or current signals. This flexibility lets one base module serve mixed sensor populations. You can wire pressure transmitters on some channels and voltage-output devices on others without adding hardware.
12-Bit Resolution
Each channel converts analog signals with 12-bit resolution. That resolution supports general process monitoring and control tasks where fine measurement detail matters. It suits applications that need reliable trend data rather than laboratory-grade precision.
24V DC Supply and 6 W Maximum Power
The module runs on a 24V DC supply and draws a maximum of 6 W. This aligns with common industrial DC power architectures, so integration into existing panels is straightforward. The modest power draw helps keep cabinet thermal load predictable.
Compact IP20 Housing
The base module measures 125 × 141.5 × 47.5 mm and weighs 0.4 kg. Its IP20 rating means it belongs inside a protected enclosure. The small footprint helps when panel space is tight.
Replacement and Upgrade Guide
Since the 170AAI12001 is discontinued, the practical question is how to keep existing Modicon Momentum systems running. First, confirm how many channels your application actually uses. If you run fewer than eight analog inputs, a smaller replacement may cover the need. Second, match the signal type. This module handles configurable voltage or current inputs, so verify your sensors use one of those signal types. Third, check the supply. The replacement must accept 24V DC. Fourth, review physical fit. The 125 × 141.5 × 47.5 mm footprint and 0.4 kg weight set the mounting envelope. Fifth, confirm certification needs. This module carries CE, UL, and CSA marks, which many panels require. SpareTechPLC can help you compare these requirements against available stock and alternatives.

Where This Module Fits
Process Monitoring in Packaged Systems
Packaged equipment often uses a handful of analog sensors for pressure, flow, or position feedback. Eight configurable channels cover those points in one base module. The 12-bit resolution gives operators useful trend visibility without over-specifying the measurement chain.
Panel Retrofits and Spares Strategy
Plants running Modicon Momentum racks face a common problem: a failed analog input module can idle a line. Keeping a spare 170AAI12001 on the shelf shortens that downtime. Because the module is discontinued, sourcing now is a risk-management decision, not just a purchasing task.
Mixed-Signal Test Benches
Test benches frequently mix voltage and current instruments. Configurable channels reduce the number of module types a bench needs. The 24V DC supply and 6 W maximum draw keep the electrical design simple.
Installation and Setup Notes
Mount the base module inside a protective enclosure that maintains the IP20 environment. Provide a stable 24V DC supply within the module’s rated input. Keep wiring separated from high-noise power runs where possible. Configure each channel for voltage or current to match the connected sensor before commissioning. Verify channel behavior during startup, and document the configuration for future maintenance. Follow Schneider Electric’s published installation guidance for the Modicon Momentum platform.
Maintenance and Reliability
Inspect the module periodically for loose connections, dust buildup, and signs of overheating. Confirm the enclosure maintains its protection level. Because the unit is discontinued, treat any spare as critical stock and store it in a dry, controlled environment. Track firmware or configuration records so a replacement can be commissioned quickly. If a channel drifts or fails, compare readings against a known reference before replacing the module.
Compatibility and Integration
The 170AAI12001 belongs to the Modicon Momentum family, so it integrates with Momentum base and processor assemblies. It communicates through the Momentum platform’s I/O architecture rather than a standalone fieldbus. Before buying, confirm your existing rack, processor, and terminal components match the Momentum series. SpareTechPLC can help verify compatibility details against your current installation.
Frequently Asked Questions
Is the 170AAI12001 still in production?
No. Schneider Electric lists this module as discontinued. Contact SpareTechPLC to check current availability and discuss replacement options.
How many analog inputs does this module provide?
It provides eight channels, each configurable for voltage or current signals.
What resolution do the inputs offer?
The module converts analog signals with 12-bit resolution.
What power does the module require?
It operates on a 24V DC supply and consumes a maximum of 6 W.
What certifications does it carry?
The module carries CE, UL, and CSA certifications.