BL120PM Series · 2 or 6 serial ports · Downlink: Siemens, Mitsubishi, Omron, Delta, other PLC protocols · Uplink: Modbus RTU, Modbus TCP
Choose BL120PM for cost‑efficient small PLC networks, or BL120PMP for high‑density data acquisition across large facilities. Both support optional 4G, WiFi, and GPS modules.
| Feature | BL120PM (Standard) | BL120PMP (High‑Performance) |
|---|---|---|
| Serial Channels | 2 × RS485/RS232 | 6 × RS485/RS232 |
| Max. Devices | 10 | 50 |
| Data Points | 512 | 4,000 |
| Downlink Protocols | Siemens · Mitsubishi · Omron · Delta · Other PLCs | Siemens · Mitsubishi · Omron · Delta · Other PLCs |
| Uplink Protocols | Modbus RTU · Modbus TCP | Modbus RTU · Modbus TCP |
| PLC Remote Debugging | ✓ Upload / Download | ✓ Upload / Download |
| 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 PLC Networks | Large PLC Networks / Plants |
Engineered for industrial automation with seamless PLC to Modbus connectivity and remote debugging capabilities.
Downlink supports Siemens, Mitsubishi, Omron, Delta, and other PLC protocols — uplink to Modbus RTU and Modbus TCP. One gateway for all major PLC brands.
Supports remote debugging, upload, and download of PLC programs. Enable remote maintenance and troubleshooting without traveling to site.
Replace multiple proprietary gateways with a single universal gateway — 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.
Supports Modbus RTU to Modbus TCP, Modbus TCP to Modbus RTU, and transparent transmission.
Click a tab below for detailed module parameters. Both models share the same core platform.
Widely used in industrial automation, building automation, energy management, and more.
Connect Siemens, Mitsubishi, Omron, Delta and other PLCs to Modbus RTU/TCP networks for unified monitoring and control.
Perform remote upload, download, and debugging of PLC programs without traveling to site — reduce maintenance costs and downtime.
Consolidate PLCs from different brands into a single Modbus network for centralized monitoring and data collection.
Collect PLC data and forward to SCADA systems via Modbus TCP for real‑time visualization and analysis.
