This module delivers a stable transmission rate of 10 Mbit/s and supports direct memory access (DMA) to reduce CPU utilization. It offers the option of redundant battery backup for the main memory, and a Z-variant version compliant with G3 standards is available. The module is widely used for data stream transmission between controllers, operator stations, and engineering stations in the Freelance DCS system.
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Functions & Features
Communication Compatibility: It strictly complies with the IEEE 802.3 Ethernet standard and supports the 10BaseT protocol, enabling seamless integration into the Freelance control network and efficient data exchange between the controller and other system components.
Performance Optimization: Equipped with a 32-bit data bus and delivering a transmission rate of 10 Mbit/s, its direct memory access design keeps CPU overhead below 4%, ensuring the overall operational efficiency of the system.
Data Protection: A 3.6V lithium battery (950mAh, to be ordered separately) is available as an option, providing backup power for the RAM and real-time clock of the PM 803F controller. The buffer time is ≥ 10 days after inserting a new battery, and the battery can still maintain operation for ≥ 5 hours after a low-battery warning is triggered.
Installation Compatibility: It is designed for use with the PM 803F base unit of the AC 800F controller and requires Freelance software version V7.1SP2a or higher. There is no built-in battery, so a separate configuration is needed.
Key Technical Parameters
Rated Voltage: 3.3V/5V (±3%), powered by the CPU board, with a maximum power consumption of 1.2W.
Physical Interface: Features an RJ-45 shielded female connector, compatible with STP cables (Category 3, Category 4 or enhanced Category 5).
Environmental Adaptability: The operating temperature range is consistent with that of the AC 800F controller (0°C–60°C); it has an IP20 protection class and meets the electromagnetic compatibility requirements for industrial environments (EN 61000-6-2/4).
Dimensions & Weight: Approximately 0.150kg (excluding battery) with a compact structure, suitable for installation in industrial control cabinets.
Application Scenarios & Compatibility Requirements
Applicable Systems: Specifically designed for the AC 800F controller of the ABB Freelance DCS, it serves as a core communication component of the control network and is suitable for automation scenarios requiring stable data transmission in the process industry.
Software Requirements: It must be used with Freelance software version V7.1SP2a or higher to ensure module configuration and system compatibility.
Expansion & Compatibility: It supports collaborative operation with redundant power supply modules and other fieldbus modules (e.g., PROFIBUS, CAN modules), enabling the construction of a complete industrial control communication network.
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