Modbus PLC to OPC UA Industrial Gateway BL103
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway

Modbus PLC to OPC UA Industrial Gateway BL103

No.BL103
PLC to OPC UA Gateway BL103 is a key component in the Industrial Internet of Things (IIoT) and Industry 4.0 architecture. It is designed to solve the data interoperability problem between traditional PLCs (Programmable Logic Controllers) and modern enterprise-level systems, SCADA (Supervisory Control and Data Acquisition) systems, MES (Manufacturing Execution Systems), and cloud platforms.
Communication
Ethernet, WiFi
Downlink Protocol
Modbus RTU, Modbus TCP, PLC Protocol (Siemens, Mitsubishi, Omron, Delta PLC )
Uplink Protocol
OPC UA
Serial Port
2CH or 6CH RS485/RS232
Baud Rate
2400bps-115200bps
Ethernet Port
1 WAN + 1 LAN
Description
BL103 protocol gateway translates Modbus RTU, Modbus TCP, Siemens, Schneider, Mitsubishi, Omron, Delta PLC protocols to OPC UA. The gateway supports Ethernet, WiFi transmission, ensuring that data is transmitted to MES, SCADA stably and reliably.

Key Features

Hardware Configuration

  • Powerful Core: 300MHz ARM processor + Linux OS, 128MB RAM + 64MB Flash memory.
  • Dual-channel RS485/RS232 (baud rate 2400-115200bps, 7/8-bit data bits adjustable).
  • Supports cascaded switch device acquisition with high scalability.

Smart O&M

  • Remote configuration/firmware upgrades to reduce on-site maintenance
  • Real-time monitoring: Chip temperature, memory, port status

Efficient Data Management

  • High-capacity acquisition:Simultaneously connects 10/50 devices with support for 512/4000 data points.
  • Transparent transmission:Bidirectional conversion between Modbus RTU/TCP; native data transparent transmission.
  • Customizable protocols:Tailorable login/heartbeat packets for private cloud platform integration.

Safety Certified

  • EMC protection: EFT 1kV/5kHz, ESD ±8kV air discharge
  • Compliant with CE, RoHS, FCC. MTBF ≥100,000 hours


Typical Applications

Smart factory: PLC/sensor data is uploaded to the cloud to monitor production line status in real time.
Energy management: Modbus data of electricity/water meters are aggregated to the energy management platform.
Remote operation and maintenance: 4G networking enables remote diagnosis and maintenance of equipment in remote areas.

Technical Specifications

Parameter Description
System Processor Clock speed 300Mhz
Storage 128MB
Flash Memory 64MB
Power Supply Input Voltage DC 9~36V 
Power Consumption Normal: 70mA@12V, Max: 168mA@12V
Wiring Anti-reverse connection protection
Ethernet Port Specification 2 x RJ45, 10/100Mbps, adaptive MDI/MDIX
Protection ESD: ±6kV(Contact), ±8kV(Air)
EFT: 1kV, 5kHz
Serial Port QTY 2CH or 6CH RS485/RS232
Baud Rate 2400bps-115200bps
Data Bit 7,8
Parity Bit None, Even, Odd
Stop Bit 1, 2
Protection ESD: ±6kV(Contact), ±8kV(Air)
SURGE  ±1kV, 8/20us
EFT: 1kV, 5kHz
SIM Card Slot QTY 1
Specification Drawer type, support 1.8V/3V SIM/UIM card(NANO)
Protection Built-in 15KV ESD protection
USB Port QTY 1xMini USB
Protection Over current protection
WiFi
(Optional)
QTY 1
Type SMA
Protocol 802.11a/b/g/n (mixed)
Mode Client Mode
Channel 2.4G Channel 1 - 13,5G Channel 36 - 165
Security Security
Encrypted AES, TKIP, TKIPAES
Speed 150Mbps (Max)
Distance Unobstructed/open outdoor coverage up to 20 meters
SSID broadcast switch Support
Indicator PWR Always on when device powered on 
RUN Flickering when system running
Off when system shutdown
LINK Flickering when Ethernet communication; Always on when 4G or WiFi communication; OFF when Ethernet, 4G, WiFi are all disconnected.
Software Internet Protocol IPV4, TCP/UDP, DHCP, DNS, etc
IP Retrieving Static IP/DHCP
Transparent Transmission Support
DNS Support Domain Name resolution
Configuration PC software configuration, support WIN 7, WIN 8, WIN 10 and WIN11
Network Cache Transmitting: 8Kbyte; Receiving: 8Kbyte
Safety Regulations EMC CE, FCC
EMS IEC 61000-4-2 (ESD) Level 3
IEC 61000-4-4 (EFT) Level 3
IEC 61000-4-5 (Surge)Level 3
Vibration IEC60068-2-6
Environment Working -40~85℃, 5~95% RH
Storage -40~85℃,5~95% RH
Others Housing Material Plastic
Size 40×83×110mm/30×83×110mm (LxWxH)
Protection  IP30
Net Weight 171g/133g
Mounting DIN Rail Mounting/Wall-mounting

Model Selection

Model WAN LAN COM(RS485)
(Optional RS232)
WiFi 4G GPS
BL103 1 1 2 × × ×
BL103W 1 1 2 × ×
BL103P 1 1 6 × × ×
BL103PW 1 1 6 × ×

Shipping Packaging
  • Industrial-grade Gateway x1
  • DIN35 mounting bracket x1
  • Connection Terminalsx1
  • WiFi antenna x1 (Optional)
  • Certificate of conformity x1
  • Warranty card x1
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway
  • PLC to OPC UA Gateway

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