Supports 24V DC/125V DC industrial field switch signals, with inter-channel isolation voltage of 1500Vrms and system-side isolation of 2500Vrms. It features built-in EMC filtering circuitry and complies with IEC 61000-4 immunity standards. Employing a TMR triple-modulus redundancy design, it ensures that a single point of failure does not affect system operation; the maximum response time is ≤25ms, supporting both hardware filtering (4ms) and software filtering mechanisms. It connects to the TCAT terminal board via a 68-pin cable, adapting to simplex/duplex/TMR system architectures; dual 10/100BaseT Ethernet ports support the IONet redundancy protocol, automatically switching links in case of network failure. The physical interfaces include three 37-pin sub-D connectors and two terminal blocks, compatible with Modbus TCP, IONet, and DCS/SCADA systems.

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　　Other names for IS200TBAIH1CDC:

　　PCB Module IS200TBAIH1CDC

　　IS200TBAIH1CDC Input/Output Module

　　Communication Board IS200TBAIH1CDC

　　IS200TBAIH1CDC Main Control Board

　　Core Technical Features

　　Signal Processing Capabilities

　　Multi-type digital signal compatibility: Supports 24V DC/125V DC industrial field switch signals, inter-channel isolation voltage 1500Vrms, system-side isolation 2500Vrms, built-in EMC filtering circuit, compliant with IEC 61000-4 immunity standard. Adopts TMR triple-modulus redundancy design to ensure that a single point of failure does not affect system operation; maximum response time ≤25ms, supports both hardware filtering (4ms) and software filtering mechanisms.

　　Communication and Expansion: Connects to the TCAT terminal board via a 68-pin cable, adaptable to simplex/duplex/TMR system architectures; dual 10/100BaseT Ethernet ports support IONet redundancy protocol, automatically switching links in case of network failure. Integrated PCI controller and two Ethernet ports, compatible with EX2100 control racks or Creative series drives.

　　Redundant Power Architecture

　　Dual Power Supply Redundancy: Supports dual 28V DC power input, automatically switching to backup power in case of primary power failure, switching time ≤10ms, ensuring continuous system power supply. Channel-to-channel isolation voltage 1500Vrms, system-side isolation 2500Vrms, compliant with IEC 61508 SIL 2 certification.

　　Hot-Swapping and Self-Diagnosis: Modular design supports online hot-swapping, built-in fault self-diagnosis functions (short circuit/open circuit detection, electronic ID verification, internal temperature alarm), combined with LED status lights for rapid fault location. MTBF ≥ 200,000 hours, UL/CE certified, adaptable to a wide temperature range of -40℃ to +70℃.

　　Protection and Expansion Capabilities

　　Multiple Protection Mechanisms: Integrated overvoltage, overcurrent, and overtemperature protection circuits; real-time monitoring of power supply status and triggering automatic isolation to prevent fault propagation. Employs EMC filtering design, compliant with IEC 61000-4 immunity standards, suitable for high electromagnetic interference scenarios.

　　Communication and Interfaces: Connects to the TCAT terminal board via a 68-pin cable, adaptable to simplex/duplex/TMR system architectures; dual 10/100BaseT Ethernet ports support IONet redundancy protocol, automatically switching links in case of network failure. Physical interfaces include three 37-pin sub-D connectors and two terminal blocks, compatible with Modbus TCP, IONet, and DCS/SCADA systems.

　　Physical Specifications

　　DIN rail mounting (35mm standard), dimensions approximately 17.8cm × 33.0cm × 12.7cm, weight approximately 1.2kg, operating temperature -40℃ to +70℃, IP20 protection, MTBF ≥ 200,000 hours, UL/CE certified.

　　System Integration and Compatibility

　　Hardware Connection: As a terminal board, it directly connects to the Mark VIe control system, communicating with the controller via PR1/PR2/PS1/PS2 interfaces. It supports ToolboxST software for I/O package configuration, firmware upgrades, and status monitoring. It is compatible with Mark VIe series controllers (such as IS200TBAIH1C and IS230TBAIH2C) and TMR redundant architecture.

　　Protocol Support: Supports Modbus TCP, IONet, and mainstream DCS/SCADA systems. It can seamlessly integrate with PLCs and DCSs to achieve data acquisition and remote monitoring. It integrates high-density European-style terminal blocks, is compatible with DIN 35mm rail mounting, and measures approximately 17.8cm × 33.0cm × 12.7cm, weighing approximately 1.2kg.

　　Application Scenarios and Value

　　Core Industrial Scenarios

　　Energy and Power Generation: In gas turbines, steam turbines, and combined cycle power plants, it provides a stable power supply to the control system, supports PID closed-loop control and over-temperature protection, and prevents unplanned downtime. For example, in a 9F-class power plant in Shandong, redundant power supply ensures 8,000 hours of high-availability operation annually, increasing annual power generation by approximately 6 million kWh.

　　Petrochemical and Metallurgical Industries: In the control of reactors, distillation towers, and blast furnaces, it ensures precise drive of actuators, valves, and other equipment, adapting to 4-20mA signal output to the DCS system, supporting SCADA fault diagnosis and event logging.

　　Gas Turbine Control: Monitors combustion chamber temperature and exhaust temperature, supporting PID closed-loop control and over-temperature protection to prevent unplanned shutdowns. For example, in combined cycle power plants, real-time acquisition of digital signals ensures continuous system operation, increasing annual power generation by approximately 6 million kWh.

　　Power Plants and Oil & Gas: Monitors transformer oil temperature, pipeline pressure, and valve status, supporting SCADA system fault diagnosis; used for equipment status monitoring and remote control in the oil and gas industry.

　　Industrial Automation: Acquires switch signals (such as equipment start/stop and limit switches) in production lines, supporting PLC control logic and fault diagnosis; adaptable to the high reliability requirements of steel metallurgy, rail transportation, and other fields.

　　Specialized Industry Expansion: Suitable for harsh environments such as semiconductor manufacturing and aerospace, adaptable to explosion-proof, dustproof, and high-vibration scenarios; supports redundant architecture to ensure that a single point of failure does not affect overall operation.

　　Interlocking Protection Mechanism: Interlocks with protection modules such as the IS230TPROS1A, triggering emergency shutdown when temperature/pressure exceeds thresholds to ensure equipment safety.

　　Maintenance and Support

　　Reliability Assurance: Built-in self-diagnostic functions (channel-level short/open circuit detection, electronic ID verification, internal temperature alarm), combined with LED status indicators for rapid fault location. Supports hot-swappable operation; modular design simplifies on-site maintenance.

　　Regular Maintenance Recommendations: Check module status via LED status lights; maintain cabinet ventilation and cleanliness; regularly perform firmware upgrades and calibrations to ensure stable performance. It is recommended to check the power supply, air supply, and sensor status quarterly to prevent common faults.

　　Summary: With its highly reliable redundant power supply design, industrial-grade environmental adaptability, and modular architecture, the IS200TBAIH1CDC has become the core power supply component for the non-removable interface board in the Mark VIe system. Its precise power control and reliable fail-safe mechanisms significantly improve the safety and operational efficiency of industrial control systems, making it suitable for the stringent requirements of high-risk scenarios such as power generation, petrochemicals, and metallurgy.

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