Product Description:
The BL191 is an IOy series industrial-grade multifunction programmable OPC UA remote I/O module. It adopts
electrical isolation technology, has passed EMC/EMI tests and -45 to 80°C high and low temperature verification, and features a built-in independent hardware watchdog to ensure long-term stable operation in harsh environments.
Key Features:
√High cost-performance: Up to 80% lower cost than traditional solutions combining PLC + I/O + protocol gateway.
√Communication Interface: Equipped with two 10/100M adaptive Ethernet ports, supportingOPC UAserver protocol and cascading.
√Data Acquisition: One isolated RS485 port supports Modbus RTU master mode, enabling data collection from smart meters and conversion to OPC UA.
√Secure Communication: Supports X.509 certificates, AES-256 encrypted communication, and role-based policies, complying with the IEC62443 industrial cybersecurity standard.
√Logic Control: Built-in web server enables fast implementation of register operations and logic control, serving as a PLC alternative.
√Remote Configuration: Supports quick configuration and programming via web interface for efficient data acquisition and control.
√Remote Maintenance: Integrated with BLRAT (Beilai Remote Access Tool), allowing remote firmware upgrades and parameter configuration.
√Flexible Expansion: Provides 1 to 3 I/O expansion slots for flexible combination of I/O boards, adaptable to various industrial applications.
Typical Application Areas:
√Smart Manufacturing and Industrial Automation
√Building Automation and Smart Home Management
√Agriculture and Environmental Management
√IoT Environmental Monitoring System
√Industrial Network Communication and Data Acquisition
√Energy Storage System Monitoring
√Robotic Arm Control and I/O Signal Acquisition
√Subway Station Equipment Monitoring
√Wind Power Generation Monitoring
Company Contact:

Contact Name: Stella Lee
Company Name: Shenzhen Beilai Technology Co., Ltd.
Email:
Tel: 0086-755-29451836
Fax:
Street Address: Fuhai Street
Shenzhen, Guangdong 518103
China
Website:
https://bliiot.com/
Member name: BeilaiTech
Country:

China
Member Since: 18 December 2025
Total Leads:
5 BeilaiTech Import Export Business Leads
Business focus: Iot Gateways, Industrial Network Switch
Verify:
Safe Import Export Tips