Delta Electronics AHCPU530-RS2 AH Series CPU Module

Description

To manage complex industrial processes, the AHCPU530-RS2 serves as a highly reliable main processing unit within the Delta AH Series PLC system. This high-density CPU module delivers swift execution speeds of 0.1 microseconds for basic LD instructions, enabling rapid logic processing and real-time system coordination in demanding automation environments. Equipped with built-in multi-mode RS-232/422/485 ports and a Mini-USB programming interface, this controller facilitates seamless integration with human-machine interfaces, variable frequency drives, and supervisory control networks.

The system architecture supports a large control scale, handling up to 4,352 local I/O points and expanding across up to 7 extension backplanes. Program storage is secured via a 256K steps (1MB) program capacity, complemented by robust data registers and native support for multiple IEC 61131-3 programming languages, including Ladder Diagram (LD), Sequential Function Chart (SFC), Function Block Diagram (FBD), Instruction List (IL), and Structured Text (ST).

Features

• High-speed logic processing: LD instruction execution at 0.1 microseconds (1K steps in 0.3 ms).
• Substantial memory allocation: 256K steps program memory and 64K words data registers.
• Integrated dual serial communication: Two multi-mode RS-232/422/485 ports supporting MODBUS RTU and ASCII protocols.
• Broad system expansion: Supports up to 7 extension backplanes and a maximum of 4,352 local I/O points.
• Built-in SD card interface: Supports standard SD cards up to 2GB for diagnostic logs and data backups.
• Battery-free design: Built-in Real-Time Clock (RTC) function retains time for up to 30 days post power-down without a backup battery.

Applications

• Power generation and distribution automation
• Water and wastewater treatment infrastructure
• HVAC and environmental control systems
• Material handling, logistics, and high-speed assembly lines
• Chemical and process manufacturing control

Technical Specifications

Connections and Interfaces

Installation Guidelines

• Backplane Installation: Mount the module securely onto the main AH series backplane, checking that the top and bottom latch connectors are fully locked.
• Grounding: Connect the backplane's functional ground terminal directly to a clean, noise-free system earth.
• Wiring: Route the RS-485 and communication lines away from high-voltage motor cables to prevent electromagnetic interference. Shielded cables are highly recommended.
• Thermal Clearance: Maintain a minimum of 50 mm passive airflow gap above and below the CPU unit.