Part Number: 3BHB002916R0101
Model Number: UF C721 AE101

Brand: ABB Group

Product Series: Industrial Control Board Series (for ABB DCS/PLC Systems)

Product Type: High-Reliability Digital Control Board

Core Application: Core control unit for industrial automation systems, compatible with ABB AC500/AC800M controllers; suitable for power, chemical, metallurgical, and water treatment industries to realize logic control, signal processing, and equipment interlocking.

Core Features: High integration design; multi-channel I/O support; built-in fault self-diagnosis; anti-electromagnetic interference; compatible with ABB standard communication protocols; long-term stable operation in harsh industrial environments.

Electrical Specifications

Operating Voltage: 24V DC (±10% tolerance, wide voltage adaptation)

Power Consumption: ≤3W (at 24V DC rated voltage, no-load condition)

Input Protection: Reverse polarity protection, overcurrent protection (auto-current limiting), surge protection (compliant with IEC 61000-4-5)

Digital Input Channels: 16 channels (dry contact input, 24V DC, response time ≤1ms)

Digital Output Channels: 8 channels (relay output, max 2A per channel, AC 250V/DC 30V rated)

Analog Input Channels: 4 channels (differential input, configurable range: 4-20mA DC / 0-10V DC)

Analog Output Channels: 2 channels (4-20mA DC, load resistance ≤500Ω)

Measurement Accuracy: ±0.1% FS (analog signals, 25℃ ambient temperature)

Communication Interface: RS-485 (2-wire half-duplex), supports MODBUS-RTU protocol

Max Data Transfer Rate (RS-485): 115.2 kbps (software configurable)

Isolation: 2500V AC isolation between I/O channels and power supply; 1500V AC isolation between communication ports

ESD Protection: ±8 kV (contact), ±15 kV (air) per IEC 61000-4-2 standard

Overheating Protection: Auto-alarm when board temperature exceeds 85℃, no shutdown to ensure system continuity

Overvoltage/Undervoltage Protection: Trigger alarm when voltage is out of 24V DC ±15% range

1  .Our company specializes in automation industrial control accessories. We have more than 100,000 products.  
 Including : frequency converter, servo driver, servo motor,   data acquisition card, industrial camera, touch screen, circuit board, DCS module, soft starter, industrial   computer,encoder... etc
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