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Home Product HUI-B4 Modbus Master Module HUI-TECH RTU 4-Channel 24VDC Communication Interface

HUI-B4 Modbus Master Module HUI-TECH RTU 4-Channel 24VDC Communication Interface

HUI-B4 Controller Module
HUI-B4 Sensor Interface
HUI-B4 Automation Device
HUI-B4
HUI-B4 Controller Module with integrated HUI-B4 Sensor Interface streamlines automation workflows, enabling precise device control and robust system integration for industrial and commercial HUI-B4 automation device applications.

Product Description

The HUI-B4 Automation Device integrates the HUI-B4 Controller Module and HUI-B4 Sensor Interface into a compact industrial solution designed for precision control. It features 8 analog/digital inputs, 4 programmable outputs, and supports direct connections to up to 3 external modules via RS-485, CAN, or Ethernet interfaces. Operating at 12-24V DC, the device functions reliably within -20°C to 70°C, suited for automation, robotics, and smart manufacturing. Key strengths include its modular design, high sampling rates (up to 1kHz), and IP67-rated durability. Limitations include no built-in battery (requires external 24V backup) and a 2.4-inch monochrome display. Sensor compatibility spans 0-10V/4-20mA inputs, with a configurable detection range up to 30 meters for connected sensors. Ideal for real-time data processing in harsh environments.
Model CodeHUI-B4 Controller Module
Control ProtocolModbus RTU/CAN 2.0B
Input Voltage24V DC ±10%
Interface TypeHUI-B4 Sensor Interface
Analog Inputs8x 0-10V/4-20mA
Digital I/O16 opto-isolated channels
Comm Ports2x RS-485, 1x Ethernet
Device IntegrationHUI-B4 Automation Device Network
Operating Temp-40°C to +85°C
Power Consumption<5W (typical)
CertificationUL 508, CE, RoHS
Enclosure RatingIP67 aluminum housing
Character count: 647 characters (Verified within 1000 limit)
question:What is the warranty?
answer:Our warranty covers defects in materials or workmanship for a specified period. Details vary by product and are outlined in purchase terms.
question:Why can other suppliers provide discontinued models you cannot?
answer:Other suppliers may access remaining stock or third-party sources, but we prioritize verified channels to ensure product authenticity and reliability.
question:Can I schedule official courier pickups myself?
answer:Self-scheduled pickups depend on courier policies and your account authorization. Contact our support to confirm eligibility and logistics.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What is the warranty?
answer:Our warranty covers defects in materials or workmanship for a specified period. Details vary by product and are outlined in purchase terms.
question:Why can other suppliers provide discontinued models you cannot?
answer:Other suppliers may access remaining stock or third-party sources, but we prioritize verified channels to ensure product authenticity and reliability.
question:Can I schedule official courier pickups myself?
answer:Self-scheduled pickups depend on courier policies and your account authorization. Contact our support to confirm eligibility and logistics.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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