ABB EL3020
High-Precision Analog Input Module for Process Automation
Technical Parameters:
- Input Channels: 8-channel isolated analog input (4-20 mA / 0-10 V DC)
- Resolution: 16-bit ADC (0.05% accuracy)
- Sampling Rate: 10 ms per channel (all channels scanned in 80 ms)
- Isolation Voltage: 500 V AC between channels and system
- Power Supply: 24 V DC (±10%) / 120 mA typical
- Operating Temperature: -20°C to +70°C (-4°F to 158°F)
- Certifications: IEC 61131-2, UL 508, CE, RoHS
Core Functions:
- Signal Conditioning: Converts analog signals (current/voltage) to digital values for PLC/DCS systems.
- Diagnostics: Detects open circuits, over-range signals, and module faults via LED indicators.
- Hot-Swappable: Supports replacement without system shutdown in redundant configurations.
- EMC Robustness: High immunity to noise and interference (compliant with EN 61000-6-2/4).
- ABB Compatibility: Integrates with AC 800M, Freelance, and System 800xA controllers.
Key Features:
⚡ High Density: Compact design saves cabinet space while handling 8 channels.
⚡ Flexible Configuration: Software-configurable ranges via Control Builder or Fieldbus tools.
⚡ Durability: Industrial-grade components for 24/7 operation in harsh environments.
⚡ Scalability: Daisy-chainable with other S900 I/O modules via ABB’s DIN-rail bus.
⚡ Cost-Effective: Reduces wiring costs with screwless spring-clamp terminals.
Typical Applications:
- Process monitoring in chemical plants
- Power generation control systems
- Water treatment and HVAC systems
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