Product Details

Modicon A332-03 is a high-precision analog input module and reliable analog acquisition card designed for legacy Modicon A series PLC backplane and control racks. This process sensing module collects continuous analog signals from pressure transmitters, flow sensors, temperature transducers and level instruments, and converts raw analog signals into digital data readable by the main CPU. It supports configurable current and voltage signal ranges with stable conversion resolution, enabling accurate field sensing for closed-loop process regulation. With built-in signal filtering and over-range detection, this analog input module effectively suppresses field electrical interference and provides early warning for broken sensors. As a discontinued legacy spare, this analog acquisition card serves as a drop-in replacement for failed I/O hardware, helping ageing process control racks restore precise analog signal acquisition without overhauling the whole automation system.

Basic Parameters

Brand: Modicon (AEG legacy)

Model: A332-03

Product Type: Analog Input Acquisition Module

Compatible Rack: Modicon A series legacy backplane

Signal Type: Configurable current and voltage analog signals

Resolution: 12-bit analog-to-digital conversion

Indicator: Onboard LED for power, channel status and fault alarm

Termination: Screw terminal block

Mounting: Single-slot rack mounting

Product Status: Discontinued legacy spare

Net Weight: Approximately 0.55 kg

Supported Functions

This analog input module supports high-speed analog-to-digital conversion, signal scaling and engineering value conversion. The analog acquisition card provides over-range and under-range detection to identify abnormal field signals. This process sensing module transmits converted digital register data to the backplane for the host CPU to execute PID control, data logging and alarm triggering. It supports channel parameter configuration and built-in self-check to simplify on-site commissioning and fault troubleshooting.

Core Functions

As a critical analog acquisition card, this analog input module captures real-time process signals from field sensors and converts them into digital data for the host controller. It filters noisy raw signals and reports out-of-limit conditions for timely intervention. This process sensing module acts as a direct spare to restore reliable analog data collection for ageing Modicon automation racks.

Hardware Specifications & Environmental Features

Operating Temperature: -10°C ~ +60°C

Storage Temperature: -20°C ~ +70°C

Relative Humidity: 5%–95%, non-condensing

Housing: Compact industrial metal and plastic module shell

Protection: Input surge suppression, signal over-range detection

Anti-interference: Low-pass filtering and common-mode noise rejection for field wiring

Compatibility: Matches Modicon A series backplane and compatible peripheral modules

Industry Applications: Applied in legacy petrochemical distributed control, old paper making production automation, material handling conveyor lines, packaging and textile machinery, water treatment remote signal collection and large conveyor remote I/O control racks.

Note: Confirm backplane compatibility, signal type and wiring definition before ordering.

This is from our current stock.

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