Part Number: 3AXD50000005164 (Model: ZCU-14 Control Board)
Alternate P/N: N/A (Fully Compatible with ABB DCS880 Series DC Drives)
Brand: ABB (Industrial Automation & Control Division)
Product Category: Industrial Control Board (Digital Control Unit for DC Drives)
Product Series: ABB ZCU Series (Auxiliary Control Board for DCS880 Series Drives)
Core Application: Specifically designed as a supplementary control unit for ABB DCS880 series DC drives, mainly used for expanding control functions, enhancing communication capabilities, and realizing customized logic control in industrial automation systems. It is widely applied in metallurgy, mining, power transmission, and heavy machinery fields where precise drive control is required.
Core Features: High-performance microprocessor-based control; support for multiple communication protocols; expandable I/O interfaces; seamless integration with DCS880 drive main units; built-in self-diagnostic functions; compact design for cabinet installation; easy parameter configuration via ABB DriveCom software.
2. Electrical Specifications
Supply Voltage: 24V DC (nominal); voltage tolerance: ±10% (21.6V DC ~ 26.4V DC); power consumption: ≤15W (typical operating condition).
Digital Inputs: 8-channel configurable digital input (DI); input type: 24V DC (PNP/NPN selectable); response time: ≤1ms; isolation voltage: 2500V AC (signal to power circuit).
Digital Outputs: 4-channel configurable digital output (DO); output type: Open collector transistor; maximum switching current: 0.5A per channel; switching voltage: Up to 30V DC; protection: Overcurrent protection.
Analog Inputs: 2-channel differential analog input (AI); input type: 4-20mA DC / 0-10V DC (software configurable); input impedance: ≥1MΩ (voltage input), ≤250Ω (current input); accuracy: ±0.1% FS (full scale) at 25°C.
Analog Outputs: 2-channel analog output (AO); output type: 4-20mA DC (sink/source configurable); output load: 0-500Ω; accuracy: ±0.2% FS at 25°C; used for feedback of drive status parameters (speed, current, torque).
Communication Interfaces: 1 × RS-485 port (Modbus RTU protocol, baud rate: 1200bps ~ 115200bps configurable); 1 × CANopen port (for communication with drive main unit and other auxiliary modules); 1 × Ethernet port (RJ45, 10/100Mbps, support for TCP/IP protocol, optional function).
Control Precision: Signal conversion accuracy: ±0.1% FS; logic processing delay: ≤2ms; synchronization accuracy with DCS880 main unit: ≤5ms.
Protection Functions: Overvoltage protection, undervoltage protection, short-circuit protection for I/O ports, ESD protection; ESD Protection: ±8kV (contact discharge), ±15kV (air discharge) per IEC 61000-4-2; isolation protection: 2500V AC (1 minute) per IEC 61131-2.
