How to choose communication protocols for industrial flow meters: Modbus RTU vs 4-20mA vs RS485?
Comprehensive guide to selecting communication protocols for industrial flowmeters
Industrial flow meter communication protocols are crucial for system integration and reliable data transmission. Ecolor Technology's LGF electromagnetic flowmeters and EC32/EC60 RTU series support multiple communication options:
- Modbus RTU protocol: Ideal for PLC integration, supports multi-point communication up to 1200m distance, preferred for industrial automation
- 4-20mA analog signal: Excellent noise immunity, suitable for long-distance transmission and simple display systems, best compatibility
- RS485 digital communication: Cost-effective, supports multi-device networking, perfect for small to medium monitoring systems
- 4G wireless communication: EC series RTU enables remote data acquisition, ideal for remote areas and mobile monitoring
Selection should consider system complexity, transmission distance, and budget requirements for optimal performance.
Selection & Comparison
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