Schneider A020/E/24V Control Unit

The A020/E/24V serves as a compact control unit for small automation tasks. This module processes digital signals and controls output devices directly. Its rectangular frame measures 95 millimeters in width. The unit height reaches 75 millimeters exactly. Depth stays at 65 millimeters. You will find this unit weighs approximately 0.28 kilograms. Therefore, installation requires a standard DIN rail clip mounted on a panel. One removable terminal block provides all power and I/O connections.

Physical Layout and Connectors

The front panel features six status LEDs for power and I/O indication. Two rotary switches allow manual address selection for network identification. A 2-position terminal block accepts 24V DC power input. Six additional terminals provide four inputs and two outputs. Four mounting tabs secure the unit to TS35 DIN rails.

Technical Specifications

Parameter	Specification
Unit Width	95 mm
Unit Height	75 mm
Unit Depth	65 mm
Unit Weight	0.28 kg
Digital Inputs	4 (24V DC sinking)
Digital Outputs	2 (transistor, 0.5A each)
Terminal Block	1 x 8-position (18 AWG)
Component Total	98 discrete parts
Internal Energy Storage	220 µF capacitor bank
Input Voltage Range	19.2–28.8V DC
Input Current	4 mA per channel
Output Voltage	24V DC (sourcing)
Response Time	2 ms (inputs), 1 ms (outputs)
Operating Temperature	-10°C to +55°C

Internal Design and Energy Storage

The A020/E/24V contains exactly 98 discrete components inside. A 220 microfarad capacitor bank filters the incoming DC power supply. This bank reduces voltage ripple for stable internal logic operation. A microcontroller handles all control logic and communication tasks. Four optocouplers provide input isolation from field devices. Two power MOSFETs switch the transistor outputs cleanly.

Operational Performance

This control unit reads four digital inputs from pushbuttons or sensors. It switches two transistor outputs to control small loads. Moreover, the unit operates on standard 24V DC industrial power. You can connect indicators, relays, or solenoids to the outputs. The module includes short circuit protection on all output channels. Six LEDs show real-time status for power and each I/O point. Consequently, you achieve simple control for standalone machines. Schneider designed this unit for decentralized automation applications. Its small footprint fits inside tight control enclosures.

In summary, the A020/E/24V delivers compact yet capable control unit functionality. Use this module for small conveyors or packaging stations. It reduces wiring with integrated I/O points. Order this control unit for your Schneider automation project.