Hitachi PLC

Hitachi ETL600 R4

Hitachi ETL600 R4; advanced digital PLC power line carrier with OFDM+QAM modulation. Voice, data, Ethernet and teleprotection (<10ms). Adaptive modulation, IEC 60834-1/2 compliant. Energy transmission premium solution.

Hitachi ETL600 R4 Digital Power Line Carrier System

Hitachi Energy ETL600 R4 is an advanced digital PLC (Power Line Carrier) power line carrier system designed for power transmission networks. Using OFDM and QAM digital modulation technologies, it delivers high data rates while carrying voice, data, teleprotection, and Ethernet services over high voltage lines.

Feature	Details
Digital Modulation	OFDM + QAM; adaptive modulation with automatic adjustment based on channel conditions
Ethernet Support	Ethernet over PLC; IP-based SCADA and RTU communication
Teleprotection	IEC 60834-1/2 compliant; <10ms transmission delay
Multi-Service	Voice, data, teleprotection and Ethernet simultaneously; service prioritization
Adaptive Technology	Automatic modulation and speed adaptation based on channel conditions

ETL600 R4 is a premium PLC platform widely used by energy transmission operators worldwide and proven in field conditions.

System Features
System Type	Digital PLC Line Carrier (Premium)
Modulation	OFDM + QAM; adaptif modulation
Frequency Range	16–1000 kHz
Adaptif Speed	Automatic modulation change based on channel conditions
Service Capacity	Voice + Data + Teleprotection + Ethernet simultaneous
Interfaces
Teleprotection	IEC 60834-1/2; <10ms transmission time
Ethernet	Ethernet over PLC; IP-based services
Voice	VoIP and analog ses support
Hardware and Management
Management	NMS, Web GUI, SNMP v2c/v3
Power Supply	48/60/110/220 VDC; redundant power
Form Factor	19-inch rack mount, modular structure
Application Areas
Target Segments	Energy transmission (TEIAS), international operators

For detailed technical information, please refer to the product datasheet or hardware user manual.

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