ABB KUC720AE01 3BHB003431R0101 3BHB000652R0101 PLC communication interface module
Specific Parameters
Core and Function Parameters
Product Type Industrial-grade PLC Communication Interface Module
Manufacturer ABB
Model KUC720AE01, Part Numbers 3BHB003431R0101, 3BHB000652R0101
Series Advant OCS/AC 800M Series
Communication Interfaces 2 Ethernet Ports (RJ45), 2 RS485/RS232 Serial Ports (switchable)
Supported Protocols Ethernet/IP, PROFIBUS DP-V1, Modbus TCP/IP, Modbus RTU, OPC UA, IEC 61850
Redundant Functions Communication Link Redundancy, Port Redundancy (dual Ethernet port backup)
Compatible Systems ABB Advant Controller 400/800, AC 800M DCS System, Third-party PLCs (Modbus protocol compatible)
Data Transmission Mode Full-duplex/Half-duplex (configurable)
Diagnostic Functions Communication Link Fault Diagnosis, Port Status Diagnosis, Protocol Abnormality Diagnosis, Power Fault Diagnosis
Protection Functions Port Over-voltage Protection (≤36V DC), ESD Protection (±15kV), Short-circuit Protection (self-recovery)
Installation Method Controller Rack Slot Installation (3U Standard Rack)
Certification Standards CE, UL, CSA, IEC 61131-3, RoHS, ATEX, IECEx
Status Indication Power Normal (Green LED), Ethernet Communication (Yellow LED), Serial Communication (Yellow LED), Fault Alarm (Red LED)
Electrical and Performance Parameters
Power Supply Voltage 24V DC (19.2-28.8V DC wide-range compatible)
Ethernet Transmission Rate 10/100/1000Mbps (auto-negotiation)
Serial Port Transmission Rate 300bps-115.2kbps (adjustable)
Maximum Communication Distance Ethernet: 100m (Cat5e/Cat6 Cable); RS485: 1200m (Shielded Twisted Pair)
Isolation Level 3-way Isolation (Input-Output-Power), Isolation Voltage 1500V AC/1min
Data Buffer 128KB Receive Buffer, 128KB Transmit Buffer
Response Time ≤5ms (Protocol Data Processing Delay)
Power Consumption Typical 4.5W, Maximum 6W
Common Mode Rejection Ratio ≥90dB (50/60Hz)
Physical and Environmental Parameters
Overall Dimensions 105mm×215mm×85mm (L×W×H)
Weight Approximately 0.9kg
Operating Temperature Range -25°C to 70°C
Storage Temperature Range -40°C to 85°C
Relative Humidity 5%-95% (non-condensing, no dew)
Protection Rating IP20 (per IEC 60529)
Housing Material Flame-retardant ABS Plastic (UL94 V-0 Grade)
Vibration Resistance 10-500Hz, 1.5G (30min per X/Y/Z axis)
Shock Resistance 25G (11ms, 3 times per X/Y/Z axis)
Product Performance
Dual Ethernet + dual serial port design, supporting simultaneous operation of multiple protocols, adapting to complex industrial communication topologies with strong flexibility
Ethernet rate up to 1000Mbps and adjustable serial port rate, meeting mixed communication needs of high-speed and low-speed devices
Communication link and port redundancy design, enabling seamless switching in case of faults to ensure uninterrupted data transmission with extremely high reliability
3-way electrical isolation combined with high common mode rejection ratio, effectively resisting industrial electromagnetic interference and electrostatic shock with strong communication stability
128KB large-capacity data buffer reduces the risk of data loss, adapting to high-concurrency data transmission scenarios
Compatible with mainstream industrial communication protocols and multi-brand devices, enabling seamless integration with existing automation systems with excellent compatibility
Wide operating temperature range of -25°C to 70°C, adapting to extreme industrial environments with strong environmental adaptability
Supports hot-swappable function, system maintenance and module replacement without shutdown, ensuring high operation and maintenance efficiency















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