Emerson EC20-4DA Analog Output Expansion Module

Overview

The Emerson EC20-4DA is a high-performance analog output expansion module for EC20 series PLCs. It provides four channels of precise analog output. This module enables smooth control of valves, actuators, and other analog devices. It suits industrial automation systems requiring accurate signal generation. Common applications include temperature control, speed regulation, and process modulation. The module integrates seamlessly with EC20 controllers for reliable operation. Its compact design allows flexible installation on DIN rails or via screws.

Technical Specifications

• Model Number: EC20-4DA

• Series: Emerson EC20 Series

• Function: Analog output expansion module

• Analog Output Channels: 4 channels

• Output Signal Types: Voltage (0–5V, 1–5V, 0–10V), Current (0–20mA, 4–20mA)

• Output Resolution: 12-bit

• Output Accuracy: ±0.5% full scale

• Load Resistance: Voltage ≥2 kΩ; Current ≤500 Ω

• Isolation: Channel-to-PLC isolation

• Conversion Speed: ~1 ms per channel

• Power Supply: 24V DC from EC20 base or external source

• Power Consumption: Approx. 2W

• Operating Temperature: –10°C to +55°C

• Storage Temperature: –40°C to +70°C

• Mounting Type: DIN rail or screw mount

• Dimensions: Matches EC20 module form factor

• Communication Interface: Internal EC20 bus

• Status Indicators: LED indicators for power and channel activity