BL121ML OPC UA protocol converter supports conversion of Modbus RTU, Modbus TCP, IEC104, DL/T645, BACnet/IP, BACnet MS/TP protocols to OPC UA protocol. This protocol gateway is widely used in Industry 4.0 systems.
Key Features
Full Protocol Compatibility, Eliminates Data Silos
- Downstream Support: Modbus RTU/TCP, IEC104, DL/T645, BACnet/IP, BACnet MS/TP
- Upstream Support: OPC UA protocol, seamless cloud platform integration
- Transparent Transmission: Bidirectional Modbus RTU↔TCP conversion, simplifying protocol integration
Efficient Data Acquisition & Processing
- Supports up to 10/50 devices and 512/4000 data points
- ARM embedded processor (300MHz) + Linux OS for stable edge computing
Industrial-Grade Hardware Design
- Dual Isolated Ethernet Ports: 2×RJ45 (1WAN+1LAN), supports cascaded switches with built-in 2KV electromagnetic isolation
- Dual Configurable Serial Ports: 2×RS485/RS232, 2400-115200bps baud rate, 7/8-bit data bits, parity check
- Wide Voltage Input: DC 9-36V with reverse-connection protection, ultra-low power consumption (85mA@12V)
Smart O&M & Security
- Remote configuration/firmware upgrades reduce on-site maintenance
- Hardware + software dual watchdog ensures 24/7 reliability
- OpenVPN encryption & WPA2/AES wireless security (WiFi optional model)
Typical Applications
Smart Factories: PLC/instrument data → edge computing → MES/SCADA systems
Power IoT: Meter reading (DL/T645) → cloud energy management
Building Automation: HVAC systems (BACnet) → cloud-based optimization
