BL121DT Series · 2 or 6 serial ports · Collects DL/T645, IEC104 power devices · Outputs OPC UA to SCADA/MES/IIoT
Choose BL121DT for small to medium power monitoring projects, or BL121DTP for large‑scale utility integration. Both support optional WiFi.
| Feature | BL121DT (Standard) | BL121DTP (High‑Performance) |
|---|---|---|
| Serial Channels | 2 × RS485/RS232 | 6 × RS485/RS232 |
| Max. Power Devices | 10 | 50 |
| Data Points | 512 | 4,000 |
| Downlink Protocols | DL/T645 · IEC104 | DL/T645 · IEC104 |
| Uplink Protocol | OPC UA | OPC UA |
| WiFi (Optional) | ✓ 802.11a/b/g/n | ✓ 802.11a/b/g/n |
| Dimensions (L×W×H) | 30 × 83 × 110 mm | 40 × 83 × 110 mm |
| Weight | 133 g | 171 g |
| Best Fit | Small / Medium Power Monitoring | Large‑Scale Utility Integration |
Engineered for power and utility integration with seamless DL/T645 and IEC104 to OPC UA conversion.
Collects data from DL/T645 and IEC104 power devices — outputs to OPC UA for standardized energy data access.
OPC UA provides secure, platform‑independent, and standardized data access — seamless integration with SCADA, EMS, and enterprise systems.
Bridge distributed power meters and RTUs to OPC UA platforms — enabling centralized monitoring, control, and analytics.
Optional WiFi for flexible network deployment — ideal for locations where wired Ethernet is unavailable or impractical.
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, substations, and equipment enclosures.
Click a tab below for detailed module parameters. Both models share the same core platform.
Designed for system integrators, utility operators, and energy managers.
Bridge DL/T645 and IEC104 power meters to OPC UA SCADA and EMS systems — enable real‑time energy monitoring and control.
Connect IEC104 RTUs and utility devices to OPC UA platforms — enabling centralized monitoring and data analytics.
Monitor power consumption, demand, and quality data via OPC UA for energy optimization and demand response.
Connect power infrastructure to OPC UA‑based IIoT platforms — unlock data for predictive maintenance and digital twin applications.
