1. Overview

2. Specifications

• Power Supply and Power Consumption: 24 VDC input voltage, power consumption of approximately 5W, supporting a wide temperature operating range.
• Communication Interfaces: Equipped with 2 RS-485/422 interfaces (supporting RS-232 adaptation), compatible with protocols such as Modbus RTU, FTE, and ASCII.
• Temperature and Protection: Operating temperature range from -40℃ to +85℃, with a protection level of up to IP20/IP65.
• Signal Specifications: Provides 72 input channels and a 40-pin output connector, supporting up to 72 signal line connections.

3. Product Features

• Modular Design: Adopts a modular structure, facilitating on-site installation and maintenance, and reducing welding and mechanical installation work.
• High Reliability and Anti-Interference: Complies with the IEC 61000-6-4 anti-interference standard, suitable for harsh industrial environments, with high temperature and vibration resistance.
• Multi-Protocol Support: In addition to basic PLC communication, it also supports fieldbus protocols such as Modbus, Profibus, and DeviceNet.
• Electrical Isolation: Provides electrical isolation between input channels to protect the system from electrical interference.

4. Structure and Composition

• Terminal Blocks and Connectors: Includes a terminal block for 72 signal lines, 40-pin/34-pin connectors (ID JFF, JGG), and 2 serial output connectors.
• Dimensions and Installation: Physical dimensions are approximately 16cm x 16cm x 12cm (about 230mm x 165mm x 89mm), adopting DIN rail mounting.
• Indicators and Status: Equipped with LED indicators, green for normal status, red for fault, and yellow for standby status.

5. Application Fields

• Energy and Power: Gas turbine control, power and power station control systems.
• Oil and Chemical Industry: Oil and gas extraction, oil refining and chemical production lines.
• Infrastructure: Heating, water supply, sewage treatment and water conservancy facilities.
• Other Industries: Mine hoisting, port machinery, metallurgy, papermaking, textiles, etc.

6. Installation and Maintenance

• Installation: Adopts a modular design, suitable for DIN rail mounting, supporting quick wiring and module plugging, reducing on-site welding work.
• Maintenance: The modular structure facilitates on-site replacement and fault diagnosis, and the LED indicators help quickly locate the working status.
• Communication Debugging: Supports remote monitoring and parameter configuration through RS-485/422 interfaces, compatible with various industrial protocols.