Emerson EC20-2012BRA Programmable Controller Module

Overview

The Emerson EC20-2012BRA is a programmable controller module designed for industrial automation. It integrates 20 digital inputs and 12 relay outputs for flexible system control. The module supports multiple communication protocols, including Modbus RTU and Profibus (via expansion). It fits small to medium-sized control systems requiring reliable and efficient operation. The robust design allows DIN rail or screw mounting, ensuring versatile installation. Programming is simple with ControlStar software using ladder diagram, instruction list, or SFC. The compact form factor aligns with other EC20 Series modules for easy integration.

Technical Specifications

• Model Number: EC20-2012BRA

• Series: Emerson EC20 Series

• Function: Main PLC module with integrated I/O

• Digital Inputs: 20 channels

• Digital Outputs: 12 channels

• Output Type: Relay output

• I/O Points: 32 total points (20 Inputs / 12 Outputs)

• High-Speed Input: Supports up to 100 KHz on specific channels

• High-Speed Output: Relay outputs do not support high-speed pulse output

• Communication Ports: COM0: RS-232, COM1: RS-232/RS-485

• Protocol Support: Modbus RTU, Free Protocol, Profibus (via expansion)

• Installation Method: DIN rail or screw mounting (2 M3 screw holes)

• Power Supply: Internal 5V/24V DC, derated by temperature

• Operating Voltage: 24V DC nominal

• Power Consumption: Approx. 35W

• Program Capacity: 8K steps

• Processing Speed: As low as 0.09 μs/min for basic instructions

• Ambient Temperature: –5°C to +55°C

• Storage Temperature: –40°C to +70°C

• Cooling Method: Natural air cooling

• Programming Software: ControlStar (ladder diagram, instruction list, SFC)

• Dimensions: 158mm (L) x 90mm (W) x 82mm (H)

• Weight: 0.68 kg

• Mounting Accessories: DIN rail stops or M3 screws