1pc for USEDABB Inverter ACS800 Main Board IO Board Terminal RDCU-02C #LYQ007
1pc for USEDABB Inverter ACS800 Main Board IO Board Terminal RDCU-02C #LYQ007
1pc for USEDABB Inverter ACS800 Main Board IO Board Terminal RDCU-02C #LYQ007
Part Number: RDCU-02C; Model: RDCU-02C; Product Name: ABB ACS800 Series Inverter Main Control Board (IO Integrated)
Brand: ABB (A Global Leader in Power and Automation Technology, Specializing in Inverters, Motors, and Industrial Control Components)
Product Status: Original Equipment Spare Part (In Stock for Maintenance and Retrofit Projects); Product Category: Industrial Inverter Main Control Board with Integrated IO Terminals, Designed for ACS800 Series Frequency Converters
Core Application: Dedicated to ABB ACS800 series inverters, serving as the core control unit and IO interface hub in industrial drive systems. Widely used in water treatment, HVAC, pulp and paper, mining, metallurgy, and conveyor systems to realize motor speed regulation, operation control, and data interaction.
Core Features: Integrated Main Control & IO Functions; Multiple Analog/Digital IO Terminals; Rich Communication Protocols; Built-In Protection & Diagnostic Functions; High Compatibility with ACS800 Series Inverters; Industrial-Grade Stability for Harsh Environments.
2. Core Performance Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 IO Terminal Parameters
Analog Inputs (AI): 2 Channels (Standard), Configurable as Voltage or Current Input; Input Range: 0-10V DC (Voltage), 4-20mA DC (Current); Resolution: 12 Bits; Accuracy: ±0.1% of Full Scale; Isolation: Optically Isolated from Power Circuit.
Analog Outputs (AO): 2 Channels (Standard), Configurable as Voltage or Current Output; Output Range: 0-10V DC (Voltage, Max Load 1kΩ), 4-20mA DC (Current, Max Load 500Ω); Resolution: 12 Bits; Accuracy: ±0.1% of Full Scale.
Digital Inputs (DI): 8 Channels (Standard), Optically Isolated; Input Type: PNP/NPN Selectable; Input Voltage: 24V DC ±10%; Response Time: < 1ms; Input Current: 5-10mA per Channel.
Digital Outputs (DO): 4 Channels (Standard), Optically Isolated; Output Type: Open Collector; Max Switching Voltage: 250V AC / 30V DC; Max Switching Current: 1A per Channel (Resistive Load); Protection: Short-Circuit Protected.
Relay Outputs: 2 Channels (Form C, NO/NC); Contact Rating: 250V AC / 30V DC, 5A (Resistive Load); Mechanical Lifespan: ≥ 10 Million Operations; Electrical Lifespan: ≥ 100,000 Operations.
2.2 Control & Communication Parameters
Control Signals: Support for Start/Stop, Direction Control, Speed Reference, Fault Reset, and Emergency Stop Signals; Signal Isolation: Optically Isolated Between IO and Control Circuit (2.5kVrms, 1 Minute).
Communication Interfaces: 1 × RS-485 Port (Modbus RTU Protocol), 1 × RJ45 Port (For Local Debugging); Optional Fieldbus Interfaces: Profibus DP, DeviceNet, CANopen (Via Expansion Modules).
Communication Speed: RS-485 Up to 19200 bps; Data Bit: 8 Bits; Parity: None/Even/Odd Selectable; Stop Bit: 1/2 Bits Selectable.
Control Mode: Local Control (Via Terminal), Remote Control (Via Communication), or Combined Control; Parameter Storage: Non-Volatile EEPROM (Retain Parameters After Power Off).
3. Hardware Configuration & Mechanical Parameters
3.1 Hardware Configuration
Processor: High-Performance Industrial-Grade Microcontroller; Memory: 128KB Flash Memory (For Program Storage), 16KB RAM (For Real-Time Data Processing);
Power Supply: Input Voltage: 24V DC ±10%; Rated Current: 200mA (Typical), 300mA (Maximum); Power Consumption: ≤7.2W (Normal Operation);
Protective Functions: Overvoltage Protection, Undervoltage Protection, Overheating Protection, Short-Circuit Protection (IO Terminals), Anti-Static Protection (±8kV Contact, ±15kV Air);
Indicator Lights: Power Indicator (Green), Fault Indicator (Red), Communication Status Indicator (Yellow), Facilitating Real-Time Status Monitoring and Troubleshooting.
3.2 Mechanical & Installation Parameters
Dimensions (W × H × D): 140mm × 180mm × 30mm; Mounting Type: Chassis Mount (Screw Fixing, Compatible with ACS800 Inverter Cabinet);
Weight: ≤350g (Net Weight); Housing Material: Flame-Retardant Epoxy Resin (PCB Board) + Metal Fixing Brackets (Anti-Vibration);
Terminal Type: Screw Terminals (For IO Connections, M3 Screws, Anti-Loose Design); Connector Type: Board-to-Board Connectors (For Inverter Internal Wiring, Gold-Plated Contacts for Reliability).
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