BLIIOT – I/O Module – MQTT OPC UA Modbus Remote I/O
  • mqtt edge I/O
  • industrial 4.0
  • opc ua I/O
  • modbus tcp i/o
  • iiot solution
  • mqtt modbus tcp opc ua i/o
  • mqtt edge I/O
  • industrial 4.0
  • opc ua I/O
  • modbus tcp i/o
  • iiot solution
  • mqtt modbus tcp opc ua i/o

MQTT/Modbus TCP/OPC UA Edge I/O BL192Pro

No.BL192Pro
The IOy BL192Pro I/O module integrates PLC, I/O, and protocol gateway functions in one compact device. With native support for MQTT, Modbus TCP, and OPC UA, it ensures seamless, real-time data exchange across cloud platforms, industrial controllers, and enterprise systems. Its modular design, high-precision data acquisition, and built-in edge computing make it a powerful solution for scalable, interoperable IIoT and Industry 4.0 deployments.
Description
The BL192Pro is a flexible Edge I/O module designed for industrial IoT applications. It allows users to combine 1 to 3 Y-series I/O boards as needed, offering a modular design that adapts to diverse automation scenarios. It supports Modbus, OPC UA, and MQTT protocols for seamless integration with various industrial systems.

Key Features
  • High cost-performance: Up to 80% lower cost than traditional solutions combining PLC + I/O + protocol gateway.
  • Triple Protocol Support: Supports MQTT, Modbus TCP, and OPC UA simultaneously, enabling flexible data interoperability between cloud platforms (e.g., AWS IoT, ThingsBoard, Alibaba Cloud) and local SCADA/PLC systems. Seamless cascading via dual 10/100M Ethernet ports.
  • Industrial-Grade Data Acquisition: Equipped with an isolated RS485 port, it acts as a Modbus RTU master, collecting data from smart meters and field sensors, and converting it to MQTT/OPC UA/Modbus TCP in real time.
  • Secure & Standardized Communication: Complies with IEC62443, featuring X.509 certificate authentication, AES-256 encryption, and role-based access control for secure industrial data transmission.
  • Edge Logic & Control: Built-in web server supports intuitive register read/write and local logic control without extra PLCs, offering a lightweight automation solution.
  • Remote Configuration & Maintenance: Integrated with BLRAT (Beilai Remote Access Tool) for remote firmware upgrades, device debugging, and parameter adjustment via secure remote access.
  • Modular Expansion: Supports 1 to 3 I/O expansion slots, compatible with multiple I/O types (DI, DO, AI, AO, RTD, TC, etc.), adapting to diverse automation scenarios such as energy monitoring, building control, and smart factories.

Typical Application Areas
  • Smart Manufacturing & Industrial Automation: Functions as a remote I/O extension for PLCs, acquiring data from field sensors and actuators through RS485 and I/O, and transmitting it to SCADA or MES systems via Modbus TCP or OPC UA.
  • Building Automation & Smart Home Management: Connects to lighting, HVAC, access control, and security systems, enabling real-time monitoring and remote control. MQTT allows seamless integration with cloud-based smart building platforms.
  • Agricultural & Environmental Monitoring: Gathers environmental data (e.g., temperature, humidity, soil moisture) through RS485 sensors and I/O, and uploads it to cloud platforms using MQTT for visualization and smart irrigation control.
  • IoT Environmental Monitoring Nodes: Serves as an edge node, collecting data from gas sensors, temperature/humidity probes, and more. Uses MQTT or OPC UA to push data to cloud or local servers, supporting air quality and environmental monitoring.
  • Energy Storage System Monitoring: Monitors key parameters such as voltage, current, battery temperature, and system alarms. OPC UA ensures standardized integration with EMS platforms, while MQTT allows lightweight remote monitoring.
  • Subway Station Equipment Monitoring: Interfaces with devices like ventilation systems, pumps, and emergency alarms. Data is collected via I/O or RS485 and transmitted to centralized control platforms using Modbus TCP or OPC UA. 


Ordering Guides
Users can select 1-3 Y series IO boards according to their needs, such as BL192Pro with 3 Y11 (8DI) can be composed of 24DI IO module, and also supports mix and match such as BL192Pro with Y11 (8DI), Y31 (4AI), Y52 (2PT) can be combined into 8DI + 4AI + 2PT IO Module.

Naming Rules  
IOy-Y
IOy-Y-Y
IOy-Y-Y-Y
Edge I/O Module


Model Selection

IOy Series Model Selection

NO.

Name

Model

Uplink protocol

1

Modbus TCP Edge I/O Module

BL190

Modbus TCP

2

OPC UA Edge I/O Module

BL191

OPC UA

3

MQTT Edge I/O Module

BL192

MQTT

4

Versatile Edge I/O Module

BL192Pro

MQTT, Modbus TCP, OPC UA

5

SNMP Edge I/O Module

BL193

SNMP

6

BACnet/IP Edge I/O Module

BA190

BACnet/IP

7

Building HVAC Edge I/O Module

BA190Pro

BACnet/IP, MQTT, Modbus TCP, OPC UA

8

IEC104 Edge I/O Module

BE190

IEC104

9

Energy and Photovoltaic Edge I/O Module

BE190Pro

IEC104, MQTT, Modbus TCP, OPC UA

10

Profinet I/O Module

BL196

Profinet

11

EtherCAT I/O Module

BL197

EtherCAT

12

Ethernet/IP I/O Module

BL198

Ethernet/IP

Y Series I/O Module Selection

NO.

Name

Model

Channel

Signal Type

1

8CH Digital Input Module

Y11

8

NPN(Low-Level Triggering)

2

8CH Digital Input Module

Y12

8

PNP(High-Level Triggering)

3

8CH Digital Input Module

Y13

8

Dry Contact

4

8CH Digital Output Module

Y21

8

PNP

5

8CH Digital Output Module

Y22

8

NPN

6

4CH Relay Output Module

Y24

4

Relay

7

8CH Digital Mixed Module

Y01

8

4DI+4DO NPN

8

8CH Digital Mixed Module

Y02

8

4DI+4DO PNP

9

4CH Analog Input Module

Y31

4

0-20mA/4-20mA

10

4CH Analog Input Module

Y33

4

0-5V/0-10V Single-Ended Input

11

4CH Analog Input Module

Y34

4

0-5V/0-10V Differential Input

12

4CH Analog Input Module

Y36

4

±5V/±10V Differential Input

13

4CH IEPE Measurement Module

Y37

4

Low-Impedance Voltage Signal Output (e.g., for acquiring acceleration, pressure, decibel data)

14

4CH Analog Output Module

Y41

4

0-20mA/4-20mA

15

4CH Analog Output Module

Y43

4

0-5V/0-10V

16

4CH Analog Output Module

Y46

4

±5V/±10V

17

2CH RTD Input Module

Y51

2

3-Wire PT100

18

2CH RTD Input Module

Y52

2

3-Wire PT1000

19

2CH RTD Input Module

Y53

2

4-Wire PT100

20

2CH RTD Input Module

Y54

2

4-Wire PT1000

21

4CH TC Input Module

Y58

4

TC(B/E/J/K/N/R/S/T)

22

8CH Pulse Output and Pulse Counting Module

Y95

8

4CH Pulse Output + 4CH Pulse Counting (NPN)

23

8CH Pulse Output and Pulse Counting Module

Y96

8

4CH Pulse Output + 4CH Pulse Counting (PNP)

24

4CH Serial Port Module

Y61

4

4*RS485/RS232 optional

25

4CH Serial Port Module

Y62

4

1*CAN+3*RS485/RS232 reserve

Remind:Y61 is permitted to be selected only once.

Technical Specifications

Item

Parameters

Description

 Power Supply

Power Supply

24VDC

Power Consumption

55mA@24VDC

Reverse Polarity Protection

Support

Ethernet

Quantity

2 X RJ45

Transmission Medium

Twisted Pair, STP 100 Ω Cat 5

Maximum Cable Length

100m

Rate

10/100 Mbit/s

Isolation Protection

ESD: ±6kV (contact), ±8kV (air)

EFT: 1kV, 5kHz

Serial Port

Quantity

1x RS485 + Y61 Optional (4x RS485/RS232 Optional)

Baud Rate

2400bps-230400bps

Data Bit

8

Parity Bit

None, Even, Odd

Stop Bit

1, 2

Serial Port Protection

ESD: ±6kV (contact), ±8kV (air)

EFT: 1kV, 5kHz

DI(Optional)

Channel

8 channel

Input Type

Dry contact and wet contact (NPN or PNP)

Y13 Dry Contact

Closed: Shorted to COM

Open: Open Circuit

Y11(NPN)

Logic 1: +15V to +30V DC

Logic 0: -3V to +5V DC

Common: Connect to power supply +

Y12(PNP)

Y12:

Logic 1: +15V to +30V DC

Logic 0: -3V to +5V DC

Common: 0V DC

Isolation Protection

2KVrms

DO(Optional)

Channel

8 channel

Output Type

Y21: High-level output is active, output 24V DC.

Y22: Low-level output is active, output 0V DC.

Maximum Output Current per Channel

100mA

Isolation Protection

2KVrms

Relay(Optional)

Channel

4 channel

Output Type

Relay Output

Maximum Switching Voltage

250VAC/30VDC

Maximum Switching Current

2A

Switching Power

30W

Isolation Protection

2KVrms

AI(Optional)

Channel

4 channel

Input Type

Single-ended Input/Differential Input

Input Type

0 to 20mA / 4 to 20mA (4-wire)

0-5V / 0-10V (4-wire)

-5V to 5V / -10V to 10V (4-wire)

Resolution

16 Bit

Accuracy

±0.1 % FSR @ 25 ℃

Sampling Period

300ms

Built-in Input Resistance for Current Input

249Ω

AO(Optional)

Channel

4 Channel

Output Type

0 ⋯20mA / 4⋯20mA

0-5V/0-10V

-5-5V/-10-10V

Resolution

12bit

Accuracy

±0.1 % FSR @ 25 ℃

Conversion time

20ms

Load impedance (current mode)

≤1KΩ

Load impedance (voltage mode)

≥5KΩ

RTD(Optional)

Input type

3-wire or 4-wire PT100/PT1000 wiring

Measuring range

PT100(-200~850℃), PT1000(-50~300℃)

Resolution

15 Bit

Accuracy

±1°C, Shielded AWG16 cable, up to 20 meters

Sampling period

400ms

TC(Optional)

Sensor type

J, K, T, E, R, S, B, N

Resolution

16 Bit

Accuracy

±0.5% @25℃

Sampling period

400ms

DI DO(Optional)

 

Digital Output Parameters

Channel

4 channel

Output Type

Y01: Low-level output is active, output 0VDC.

Y02: High-level output is active, output 24VDC.

Maximum output current per channel

100mA

Isolation protection

2KVrms

Digital Input Parameters

Channel

4 channel

Trigger method

Y01: Triggered by low level

Y02: Triggered by high level

Logic level

Y01:

Logic 1: +15 ⋯ +30VDC

Logic 0: -3 ⋯ +5VDC

Common terminal: Connected to +V (power supply)

 

Y02:

Logic 1: +15 ⋯ +30VDC

Logic 0: -3 ⋯ +5VDC

Common terminal: 0VDC

Isolation protection

2KVrms

Pulse Output and Pulse Counting Module
(Optional)

Pulse output parameters

Channel

4 channel

Output Delay

<1ms

Duty cycle

Range: 0~100, customizable setting

Maximum Switching Frequency

20KHz

Isolation protection

2KVrms

Pulse counting parameters

Channel

1 high-speed counting channel + 3 low-speed counting channels

Maximum Switching Frequency

High-speed: Maximum 50kHz, Low-speed: Maximum 5kHz

Counting Range

32-bit unsigned

Isolation protection

2KVrms

IEPE(Optional)

Channel

4 channel

Signal Input Range

±10V

Coupling

AC coupling



About Us

Founded in 2005, BLIIOT specializes in industrial communication, edge computing, and embedded control systems. The company develops gateways, I/O modules, and ARM-based computers that enable seamless data integration between field devices and cloud platforms. Certified by ISO9001 and recognized as a national high-tech enterprise, BLIIOT offers reliable industrial hardware with long life cycles.
The company’s expertise includes protocol conversion, data acquisition, and remote control solutions supporting Modbus, MQTT, and OPC UA standards. With R&D centers in Shenzhen and Guangzhou, BLIIOT provides OEM/ODM services and collaborates with AWS, ThingsBoard, and Ignition SCADA to deliver globally deployed industrial automation products trusted in over 200 regions.
Request your BL192Pro I/O module integration and customization quote today!
  • mqtt edge I/O
  • industrial 4.0
  • opc ua I/O
  • modbus tcp i/o
  • iiot solution
  • mqtt modbus tcp opc ua i/o

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