Part Number: 3BHB006208R0001; Derivative Model: N/A (Standard Industrial Grade Control Board)
Alternate P/N: N/A (Fully Compatible with ABB AC 800M DCS System and Industrial Drive Assemblies)
Brand: ABB (Industrial Automation & Control Division)
Product Category: Industrial Control Board (Central Logic Processing Unit for DCS Systems)
Product Series: ABB 3BHB Series (High-Stability Control Board for Heavy-Duty Industrial Applications)
Core Application: Designed as a key control unit for ABB AC 800M distributed control systems, mainly used for logic运算, signal processing, and equipment coordination in harsh industrial environments such as power plants, chemical processing, metallurgy, and oil & gas. It provides reliable control support for high-voltage drive systems and critical process loops.
Core Features: 32-bit RISC processor core with high computing efficiency; multi-protocol communication support; enhanced anti-interference design for strong electromagnetic environments; seamless integration with ABB DCS and drive systems; built-in self-diagnostic and fault isolation functions; compact board-level structure for cabinet-mounted installation; support for parameter configuration via ABB Control Builder M software.
2. Electrical Specifications
Supply Voltage: 24V DC (nominal); Voltage Tolerance: ±10% (21.6V DC ~ 26.4V DC); Power Consumption: ≤18W (typical operating condition), ≤5W (standby mode).
Digital Inputs: 16-channel configurable digital input (DI); Input Type: 24V DC (PNP/NPN selectable via software); Response Time: ≤0.5ms; Isolation Voltage: 2500V AC (signal to power circuit) per IEC 61131-2.
Digital Outputs: 8-channel configurable digital output (DO); Output Type: Open collector transistor (max 2A per channel) and 2-channel relay output (max 8A/250V AC); Protection: Overcurrent, short-circuit, and reverse polarity protection for transistor outputs.
Analog Inputs: 6-channel differential analog input (AI); Input Type: 4-20mA DC / 0-10V DC / ±10V DC (software configurable); Input Impedance: ≥1MΩ (voltage input), ≤250Ω (current input); Accuracy: ±0.08% FS (full scale) at 25°C with temperature compensation.
Analog Outputs: 4-channel analog output (AO); Output Type: 4-20mA DC (sink/source configurable); Output Load: 0-750Ω; Accuracy: ±0.15% FS at 25°C; Used for feedback of process parameters (pressure, flow, temperature) and drive status signals.
Communication Interfaces: 1 × RS-485 port (Modbus RTU protocol, baud rate 1200bps ~ 115200bps configurable, 1.5KV isolation protection); 1 × PROFIBUS DP port (for communication with DCS main unit and auxiliary modules); 1 × 10/100M Ethernet port (RJ45, TCP/IP protocol, MDI/MDIX auto-adaptation) for remote monitoring.
Control Precision: Signal Conversion Accuracy: ±0.05% FS; Logic Processing Delay: ≤1ms; Synchronization Accuracy with AC 800M Main Unit: ≤2ms.
Protection Functions: Overvoltage, undervoltage, ESD, surge, and short-circuit protection; ESD Protection: ±8kV (contact discharge), ±15kV (air discharge) per IEC 61000-4-2; Insulation Resistance: ≥2000MΩ at 500V DC (power supply to ground).