DLT645 · IEC104 to Modbus Protocol Converter

Power Protocol to Modbus Gateway BL120DT Series · 2 or 6 serial ports · Downlink: DL/T645, IEC104 · Uplink: Modbus RTU, Modbus TCP ✓ 2 or 6 RS485/RS232 ✓ 512 / 4,000 data points ✓ 10–50 power devices ✓ 4G / WiFi / GPS optional ✓ -40~85°C wide temp ⚡ BL120DT 2‑Port BL120DTP 6‑Port Supports 10–50 power devices · 512–4,000 data points · Optional 4G/WiFi/GPS ⬇ DL/T645 ⬇ IEC104 ⬆ Modbus RTU ⬆ Modbus TCP 📶 4G 📡 WiFi 📍

Key specifications

BL120DT (Standard)	BL120DTP (High‑Performance)
2 × RS485/RS232	6 × RS485/RS232
10	50
512	4,000
DL/T645 · IEC104	DL/T645 · IEC104
Modbus RTU · Modbus TCP	Modbus RTU · Modbus TCP
✓ L‑E / L‑CE / L‑A / L‑AU / L‑AF / CAT‑1	✓ L‑E / L‑CE / L‑A / L‑AU / L‑AF / CAT‑1
✓ 802.11a/b/g/n	✓ 802.11a/b/g/n
✓ NMEA‑0183	✓ NMEA‑0183
30 × 83 × 110 mm	40 × 83 × 110 mm
133 g	171 g
Small / Medium Power Monitoring	Large‑Scale Power / Utility Integration

Supply information

Manufacturer	BLIIoT — Beilai Technology Co., Ltd.
Model code	BL120DT
Full name	BL120DT | DLT645 · IEC104 to Modbus Protocol Converter
Category	Modbus gateways
Supplied in Korea by	ACUSYS Co., Ltd. · Official BLIIoT distributor in Korea