ABB UAC383AE01 HIEE300890R0001 Binary Input Board – Functional Overview
1. Primary Functionality
Digital Signal Acquisition: Provides 24VDC/110VDC isolated binary inputs (typically 16-32 channels) for status monitoring in ABB control systems (e.g., AC 800M PM8xx)
Contact Monitoring: Interfaces with dry contacts/wet signals from:
Circuit breaker auxiliary contacts
Limit switches
Emergency stop devices
Protective relay outputs
2. System Integration
Backplane Communication: Connects via S800 I/O bus to ABB controllers with <1ms scan time
Redundancy Support: Optional dual-redundant configuration for critical processes
3. Technical Specifications
Input Voltage: 24VDC (18-30V) / 110VDC (80-150V)
Isolation: 2kV channel-to-channel & channel-to-ground
Response Time: <5ms (typical)
Power Consumption: 1.5W typical per channel
4. Diagnostic Features
LED per Channel: Visual status indication (green=ON, red=fault)
Fault Reporting: Detects:
Wire break (open circuit)
Short circuit
Power supply loss
5. Typical Applications
Power Generation: Turbine control system status monitoring
Process Industries: Pump/valve position feedback in oil & gas
Railway Systems: Signaling equipment state detection
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