1. Overview

2. Specifications

• Safety Level: Complies with IEC 61508 SIL 3 standard; some documents indicate SIL 4 support.
• Supply Voltage: 24V DC
• Operating Temperature Range: -25°C to +55°C
• Protection Level: IP65, high protection level, suitable for industrial on-site environments.
• Communication Interfaces: Supports multiple fieldbuses and industrial protocols (such as RS-485, Profibus, Profinet, Ethernet/IP, Modbus, etc.), equipped with dual Ethernet ports and supports hot-swappable modules.
• I/O Channels: Typically equipped with 16-channel digital input/output (the specific number of channels may vary according to configuration), supporting up to 512 I/O points.
• Storage Capacity: 384 kbyte static memory (CMOS-RAM and EPROM).

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3. Product Features

• High Safety: Adopts redundant hardware structure to ensure safe operation of the system even if one component fails.
• High Reliability: Uses high-quality materials and manufacturing processes, and has passed strict testing and inspection, enabling long-term stable operation in harsh industrial environments.
• Rich Functions: Supports multiple safety functions such as Emergency Stop (E-Stop), status monitoring, fault diagnosis, and Online Testing.
• Easy Integration: Equipped with a user-friendly human-machine interface, provides user-friendly configuration software, and supports seamless communication with upper systems such as PLC and DCS.

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4. Structure and Composition

• Core Processing Unit: Used to execute safety logic and process input signals.
• Communication Interface Module: Includes RS-485, Ethernet, etc., for data exchange with external devices (such as PLC, DCS).
• I/O Module: Provides digital input/output channels for connecting on-site sensors and actuators.
• Power Supply and Battery Module: Provides stable power supply and is equipped with a backup battery for data storage and safety monitoring.

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5. Application Fields

• Petroleum and Chemical Industry: Monitors critical process parameters to prevent leakage and explosion accidents.
• Energy and Power Industry: Used for safety control of power plants and power distribution systems.
• Transportation: Applied in rail transit and vehicle safety systems.
• Other Industrial Automation Fields: Such as pharmaceutical, papermaking and other industries requiring high safety levels.

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6. Installation and Maintenance

6.1 Installation

• On-site Inspection: Ensure the on-site environment meets the equipment’s operating temperature and protection level requirements.
• Mechanical Installation: Install the module in the cabinet and fix it firmly.
• Electrical Wiring: Connect the power supply and I/O wiring harness to ensure correct and reliable wiring.
• Communication Configuration: Set communication parameters to ensure normal communication with the upper system.

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6.2 Maintenance

• Function Testing: Conduct regular Online Testing and function testing to ensure the module works normally.
• Regular Inspection: Check wiring, fasteners and ambient temperature.
• Software Upgrade: Update firmware or configuration software as needed to maintain system compatibility.