Product Short Description
Product Overview
Main control CPU module of LS Electric XP80 medium-sized PLC system, integrated AC power supply, logic operation processor and multi-channel communication interfaces. It undertakes all equipment automation logic calculation, I/O signal processing and upper monitoring data transmission, supporting modular expansion of digital/analog I/O modules for medium-scale production line control systems.
Description
Technical Specifications
- Power Supply Input: 100–240 V AC wide-range alternating current power input
- Control Processor: 32-bit high-speed industrial logic CPU
- User Program Capacity: Max 128 k steps ladder logic program storage
- Communication Interfaces: RS485 Modbus RTU, Ethernet Modbus TCP, dedicated XP expansion bus
- I/O Expansion Capacity: Support up to 16 matched XP series I/O expansion modules
- Memory Retention: Lithium battery-backed RAM, retain variable data for 5 years after power failure
- Dimension: 140 mm × 95 mm × 35 mm, weight 0.52 kg
- Operating Environment: 0 ℃ ~ +55 ℃ cabinet operating temperature
Core Functional Features
- Integrated AC switching power supply, no separate DC power module required for small control stations
- Multi-protocol communication interface, connected to HMI touch screen, frequency converters and upper SCADA system simultaneously
- High-speed pulse output function supporting servo motor positioning control logic
- Complete system self-diagnosis covering program error, memory fault and expansion bus communication failure
- Password protection for user logic program to prevent unauthorized modification of production control procedures
Working Principle
After power-on initialization, the XP80-TTAAC CPU loads user ladder logic programs from flash memory to operation RAM, cyclically scans all connected expansion I/O modules via XP bus to read field switch/analog signal status. Logic operation instructions are executed in scan cycle sequence; output control commands are sent to I/O modules after calculation completion. Communication interfaces transmit real-time process data to HMI and upper monitoring systems via Modbus protocols, while receiving remote parameter modification commands. The backup lithium battery maintains real-time production variable data in RAM during power outage to avoid production recipe loss.
Structural & Material Characteristics
- Shell: UL94 V0 flame-retardant gray industrial plastic housing
- Internal power circuit: Isolated switching power supply board separated from logic control board
- Front panel: LCD small display screen for real-time viewing of system fault codes and running status
Installation Requirements
- DIN rail installation inside PLC control cabinet, reserve 20 mm heat dissipation space above and below the module
- AC power input wiring must install external fuse and circuit breaker for overcurrent protection
- Communication bus cables shield single-point grounding at cabinet terminal row
Application Scenarios
Medium-sized automated packaging production lines, water treatment integrated control stations, textile printing and dyeing equipment control, small cement batching systems, food beverage filling line automation control.
Operation & Maintenance Precautions
- Replace internal backup lithium battery every 4–5 years before expiration to prevent data loss during power failure
- Do not switch AC power supply frequently; repeated voltage fluctuations accelerate power board aging
- Lock program upload/download permission password to avoid on-site staff misoperation modifying control logic
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