Modbus TCP I/O System BL210
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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 > Modbus TCP I/O System BL210
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  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210

Modbus TCP I/O System BL210

No.BL210
Pure Modbus TCP coupler for distributed I/O expansion. Dual Ethernet with integrated switch, RS485 gateway, and support for up to 32 N Series I/O modules. Native Modbus TCP communication — no protocol layers, no translation, just direct PLC integration.
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  • Description

  • Model Selection

BL210 · Modbus TCP Distributed I/O

📥 Acquire 🔄 Convert 📡 Transmit ⚡ Native Modbus TCP · no translation
🛡️ Strong anti‑interference 🔗 Auto‑reconnect 🔄 Frame auto‑correction 🌐 Dual‑port cascade 🔌 Detachable terminal blocks
🧩

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 – bridge legacy and modern networks
  • Built‑in RS485 (master/slave)
  • Modbus TCP acquisition + forwarding
  • Seamless integration with major PLCs
  • Ethernet to serial gateway function
🔌

Detachable terminal blocks

I/O module terminals are removable. Replace a module without rewiring – saves time, simplifies maintenance, reduces downtime.
swap modules · keep wires
⚡

Strong anti‑interference

Built for VFD‑dense, motor‑heavy, long‑cable factory floors. ESD L3 / Surge L3 protection – rock‑solid signal.
VFD environment · long cable
🔗

Auto‑reconnect

Ethernet loose, 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
🌐

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
⚙️

Industrial‑grade RS485

Isolated RS485, Modbus RTU master/slave – easily connect to legacy drives, meters, temperature controllers.
Modbus RTU master/slave
🖥️

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
👥 Who uses it? What does it solve?
🏭 OEMs
⚠️ PLC I/O shortage · expansion · data upload
✅ Coupler + N‑modules flexible expansion, cloud‑ready
🔗 System Integrators
⚠️ Protocol unification · platform integration · stability
✅ Modbus TCP/RTU bridge, seamless SCADA/PLC integration
⛑️ Engineering & O&M
⚠️ Long distance · high interference · dropouts & reboots
✅ Anti‑interference + auto‑reconnect + no reboot – worry‑free
☁️ Software & Platform
⚠️ Edge data quality · protocol adaptation
✅ Stable Modbus data, clean and reliable for upper systems
📋 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 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 · Transmit — One BL210 handles the entire field data chain. Anti‑interference, self‑recovery, maintenance‑free — industrial communication made simple.

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
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210
  • Modbus TCP I/O System BL210,Modbus TCP I/O System BL210

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