Modbus IEC104 DLT645 BACnet to OPC UA Protocol Translator BL121ML

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