BL120ML Series · 2 or 6 serial ports · Converts Modbus RTU/TCP, IEC104, DL/T645, BACnet/IP, BACnet MS/TP to Modbus RTU & TCP
Choose BL120ML for small to medium protocol conversion projects, or BL120MLP for large‑scale facility integration. Both support optional 4G, WiFi, and GPS modules.
| Feature | BL120ML (Standard) | BL120MLP (High‑Performance) |
|---|---|---|
| Serial Channels | 2 × RS485/RS232 | 6 × RS485/RS232 |
| Max. Devices | 10 | 50 |
| Data Points | 512 | 4,000 |
| Downlink Protocols | Modbus RTU/TCP · IEC104 · DL/T645 · BACnet/IP · BACnet MS/TP | Modbus RTU/TCP · IEC104 · DL/T645 · BACnet/IP · BACnet MS/TP |
| Uplink Protocols | Modbus RTU · Modbus TCP | Modbus RTU · Modbus TCP |
| 4G (Optional) | ✓ L‑E / L‑CE / L‑A / L‑AU / L‑AF / CAT‑1 | ✓ L‑E / L‑CE / L‑A / L‑AU / L‑AF / CAT‑1 |
| WiFi (Optional) | ✓ 802.11a/b/g/n | ✓ 802.11a/b/g/n |
| GPS (Optional) | ✓ NMEA‑0183 | ✓ NMEA‑0183 |
| Dimensions (L×W×H) | 30 × 83 × 110 mm | 40 × 83 × 110 mm |
| Weight | 133 g | 171 g |
| Best Fit | Small / Medium Conversion | Large‑Scale Facility Integration |
Engineered for universal building, power, and industrial integration with seamless multi‑protocol to Modbus conversion.
Converts Modbus, BACnet, DL/T645, and IEC104 to Modbus RTU and Modbus TCP. One converter for all.
Replace multiple proprietary gateways with a single universal protocol converter — reduce hardware costs, cabling complexity, and maintenance overhead.
4G, WiFi, or Ethernet with wired priority and automatic 4G failover — always online. Optional GPS for asset tracking.
9–36V DC wide input, reverse‑polarity protection, -40~85°C operation, EMC Level 3 (ESD/EFT/Surge), 2KV isolation.
DIN35 rail or wall mounting with patented rail‑clip — quick installation in electrical panels, mechanical rooms, and equipment enclosures.
Supports Modbus RTU to Modbus TCP, Modbus TCP to Modbus RTU, and transparent transmission for flexible integration.
Click a tab below for detailed module parameters. Both models share the same core platform.
Designed for system integrators, facility managers, and utility operators.
Convert BACnet building devices, Modbus equipment, and DL/T645 power meters to Modbus SCADA for unified monitoring.
Bridge IEC104 RTUs and DL/T645 meters to Modbus TCP for integration with building and industrial energy management systems.
Unify Modbus, BACnet, and power protocols from industrial plants, buildings, and utilities into a single Modbus platform.
Monitor distributed devices across multiple sites via 4G or WiFi — ideal for campuses, utilities, and industrial parks.
