OPC UA I/O System BL211
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BLIIoT focus on Industrial AI Edge Computing Gateways and Industiral IoT Gateways and Solutions for industry 4.0 and Smart manfuacturing. > All Collections > I/O & Converters > Distributed I/O System > OPC UA I/O System BL211
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  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211

OPC UA I/O System BL211

No.BL211
Modbus to OPC UA bridge with expandable distributed I/O. Collect data via Modbus RTU or Modbus TCP, upload automatically to any OPC UA client — no coding, no complex mapping. Built-in RS485, dual Ethernet with switch, and support for up to 32 N Series I/O modules. Industrial-grade stability with auto-reconnect, automatic data frame correction, and reboot-free operation.
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  • Description

  • Model Selection

BL211 · OPC UA Distributed I/O

📥 Acquire 🔄 Convert ☁️ Upload ⚡ OPC UA · IT/OT Integration
🛡️ ESD L3 / Surge L3 🔗 OPC UA Server 🔌 Modbus RTU/TCP Gateway 📦 Tool‑free wiring 🌐 Dual‑port cascade 🔐 Encrypted transmission
📥

Full‑scale acquisition

Covers all industrial signals, flexible expansion

  • DI / DO / AI / AO
  • RTD / Thermocouple / NTC
  • High‑speed pulse / PWM
  • Up to 32 N‑series modules
🔄

Protocol conversion

Modbus RTU/TCP → OPC UA — unify diverse devices

  • Built‑in RS485 (Modbus master/slave)
  • Modbus TCP device data acquisition
  • Native OPC UA Server
  • Seamless integration with SCADA, MES, ERP
☁️

IT/OT integration

Direct connection to IT systems — no middleware needed

  • Standard OPC UA with encrypted transmission
  • Direct SCADA / MES / MOM / ERP connectivity
  • Standardized data modeling
  • Two‑way communication
🔐

Secure OPC UA Server

Native OPC UA with encrypted data transmission. Direct connection to SCADA, MES, MOM, ERP — no middleware, no vendor lock‑in.
IT/OT integration
🔌

Modbus Unified Gateway

Integrated RS485 (Modbus RTU master/slave) + Ethernet Modbus TCP acquisition. Bridge legacy devices to OPC UA in one step.
Modbus RTU/TCP → OPC UA
⚡

Industrial‑grade RS485

Strong anti‑interference, built for VFD‑dense, motor‑heavy, long‑cable factory floors. Rock‑solid signal in the harshest environments.
VFD · long cable · stable
🔗

Auto‑reconnect

Network drop, RS485 glitch, transient interference – automatically reconnects when link recovers. No manual intervention, no data loss.
unattended · self‑healing
🔄

Frame auto‑correction

Interference causes frame offset or corruption? The system detects and corrects automatically – no glitches, no false values.
data integrity
🖥️

BLRAT remote management

Built‑in BLRAT tool enables remote device monitoring, diagnostics, and configuration – reduce on‑site visits, simplify O&M across distributed sites.
remote O&M · centralized management
🌐

Dual‑port cascade

Built‑in switch function – simple wiring, save switches and cost. Ideal for long‑distance, multi‑node field networks.
simplified network · cost saver
📦

Tool‑free · detachable terminals

Terminal blocks separated from I/O modules. Replace modules without rewiring – reduce downtime, simplify maintenance.
swap modules · keep wires
🛡️

Industrial‑grade reliability

ESD Level 3 (±6kV/±8kV) · Surge Level 3 (1kV/2kV). Designed for harsh factory environments with stable 24/7 operation.
ESD L3 · Surge L3
🏭 Typical applications
🏭 SCADA & MES Integration 🔋 New Energy & Battery 🚗 Automotive Smart Manufacturing 📦 Intelligent Warehousing ☀️ Energy Monitoring & Solar 🏢 Building Automation
👥 Who uses it? What does it solve?
🏭 OEMs
⚠️ PLC I/O shortage · data upload to IT
✅ OPC UA direct to MES/ERP · flexible expansion
🔗 System Integrators
⚠️ Multi‑protocol devices · platform integration
✅ Modbus → OPC UA unified gateway · one system
⛑️ Engineering & O&M
⚠️ Legacy equipment · data silos · manual collection
✅ Standardized data · remote visibility · less downtime
☁️ Software & Platform
⚠️ Edge data quality · OT/IT compatibility
✅ Clean OPC UA data · ready for analytics and AI
📋 Core specifications
Power / consumption 24V DC · 76mA
CPU / Memory 300MHz · 64MB RAM · 128MB Flash
Ethernet 2× RJ45 (switch cascade) · 10/100M · dual‑port
RS485 Isolated · Modbus RTU master/slave
Protocols OPC UA Server · Modbus TCP · HTTP · DHCP · DNS
I/O expansion Up to 32 N‑series modules (DI/DO/AI/AO/RTD/TC/PWM)
Immunity level ESD L3 (±6kV/±8kV) · Surge L3 (2kV/4kV)
Operating temperature -20 ~ 55 °C (cold start -40°C)
Dimensions (W×D×H) 26 × 74.9 × 104.5 mm · ultra‑slim
Mounting / protection DIN‑rail 35mm · IP20
Terminal blocks Detachable · tool‑free wiring · AWG 22–14

💎 Acquire · Convert · Upload — BL211 bridges the gap between field devices and IT systems. OPC UA native, encrypted, and ready for Industry 4.0.

N‑Series I/O · Quick Selector

Select coupler + add I/O modules as needed · auto power calculation
🔌 BL21x · One Coupler (pre‑selected)

📦 Select I/O Modules

Digital Input (DI)
N1161 16CH DI (NPN) 16 pt
1
N1162 16CH DI (PNP) 16 pt
1
N1163 16CH DI (Dry contact) 16 pt
1
N1321 32CH DI (NPN) 32 pt
1
N1322 32CH DI (PNP) 32 pt
1
N1323 32CH DI (Dry contact) 32 pt
1
Digital Output (DO)
N2084 8CH Relay Output 8 pt
1
N2161 16CH DO (PNP) 16 pt
1
N2162 16CH DO (NPN) 16 pt
1
N2321 32CH DO (PNP) 32 pt
1
N2322 32CH DO (NPN) 32 pt
1
Analog I/O
N3081 8CH AI 4-20mA 8 pt
1
N3083 8CH AI 0-5V/0-10V 8 pt
1
N3046 4CH AI Diff ±5V/±10V 4 pt
1
N4081 8CH AO 4-20mA 8 pt
1
N4086 8CH AO ±5V/±10V 8 pt
1
Temperature · Pulse · Special
N5041 4CH RTD PT100 (3‑wire) 4 pt
1
N5042 4CH RTD PT1000 (3‑wire) 4 pt
1
N5043 4CH RTD PT100 (4‑wire) 4 pt
1
N5044 4CH RTD PT1000 (4‑wire) 4 pt
1
N5088 8CH Thermocouple 8 pt
1
N9081 3CH Pulse counter + 5×DI hybrid
1
N9082 6CH Pulse output + 2×DO hybrid
1
N7021 Power Module (optional) —
1

📋 Selection List 0 modules

No modules selected yet
Coupler BL21x × 1
I/O Modules 0
Total modules 0
✅ ≤20 modules · no extra power needed
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211
  • OPC UA I/O System BL211,OPC UA I/O System BL211

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