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Home > Electrical & Electronics > Electrical Control System > ICS Triplex T8461 Digital Output Module TMR 24 Vdc

ICS Triplex T8461 Digital Output Module TMR 24 Vdc

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ICS Triplex T8461 Digital Output Module TMR 24 Vdc photo-5

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Global universal model

Certification:

Function:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

1Yr

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Port of Shipment:

guizhou

Delivery Detail:

5 days

Product Details
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Material Other, Global universal model

Certification CE

Function Other, Global universal model

Condition New

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

1. Core Product Positioning

The ICS Triplex T8461 Digital Output Module is a high-performance digital output unit specifically designed for safety-critical control systems in industries such as petrochemicals, power generation, and rail transit. It is fully compatible with ICS Triplex safety controllers including T8110 and T8131. Serving as the "control bridge" between the system and on-site actuators, it converts digital control signals from the controller into executive signals capable of driving external devices, enabling precise control of actuators such as valves, pumps, and contactors. Equipped with fault self-diagnosis and redundant fault-tolerant capabilities, it is a core hardware component ensuring safe, stable, and continuous operation of industrial production processes.

2. Core Functions and Technical Advantages2.1 High-Reliability Safety Control Capability

Multi-channel Independent Control: The module is equipped with 16 independent digital output channels. Each channel can be individually configured with output logic (e.g., normally open/normally closed, level output/pulse output) and supports load driving of 2A/250V AC or 1A/30V DC. It can simultaneously control 16 independent actuators (such as 16 solenoid valves or 16 contactor groups), meeting the requirements of multi-device coordinated control.
Fail-Safe Design: Supports custom configuration of "fail-safe mode". When the module detects internal faults (e.g., channel short circuit, power supply abnormality) or communication interruption with the controller, it automatically switches outputs to a preset safe state (e.g., fully open, fully closed, or maintaining the last state). This prevents misoperation of actuators caused by module failures and complies with the requirements of the IEC 61508 safety standard.
Two-Channel Redundant Architecture: Adopts a dual-channel redundant design, where each output signal is independently transmitted and monitored through dual hardware circuits. If one channel fails, the other channel can take over control seamlessly, ensuring uninterrupted output signals and meeting the strict "zero single-point failure" requirement of safety-critical systems.

2.2 Comprehensive Fault Diagnosis and Monitoring

Real-Time Channel-Level Diagnosis: Each output channel is built with dedicated current and voltage monitoring circuits to real-time detect the channel load status (e.g., open circuit, short circuit, overload). When the load current of a channel exceeds 3A (AC) or 1.5A (DC), overload protection is triggered immediately, fault information is reported, and the channel output is cut off to prevent fault propagation to other channels.
Full-Range Module Status Monitoring: Integrates power voltage monitoring, communication link monitoring, and hardware logic circuit self-test functions. It can real-time monitor the module’s operating voltage (24V DC ±10%), communication status with the controller (e.g., data transmission delay, frame loss), and operating status of internal logic chips. All monitoring data is uploaded to the controller in real time via a dedicated communication bus, enabling maintenance personnel to remotely track the module’s operating status.
Accurate Fault Information Feedback: The module features fault code storage (capable of storing the latest 50 fault records, including fault time, fault channel, and fault type). In case of faults, dual prompts are provided via LED indicators (1 status light + 1 fault light per channel) and controller alarm signals. This allows maintenance personnel to quickly locate fault points, reducing fault troubleshooting time by 60%.

2.3 Strong Environmental Adaptability and Industrial-Grade Protection

Wide Temperature and Harsh Environment Resistance: Uses industrial-grade components with a wide temperature range of -40℃~+70℃. The PCB board is coated with conformal coating compliant with the IPC-CC-830 standard (moisture-proof, salt spray-proof, and mildew-proof). It has passed the ASTM B117 salt spray test (≥96 hours) and IEC 60068-2-30 damp heat test (40℃, 93% RH, 1000 hours), ensuring stable operation in extreme environments such as coastal high-salt-spray areas, chemical workshop high-corrosion environments, and power plant high-temperature sites.
High Electromagnetic Compatibility (EMC) Performance: Complies with EN 61000-6-2 (industrial environment immunity) and EN 61000-6-3 (emission, Class B) standards. Under strong electromagnetic interference scenarios (e.g., high-voltage equipment start-stop, frequency converter operation, lightning strikes), the output signal jitter is less than 5ms, ensuring accurate execution of control commands without false outputs or misoperations.
Mechanical and Structural Protection: Encased in a metal housing with an IP20 protection rating (board-level). It is compatible with standard 19-inch industrial control cabinet installation. The module edge is designed with anti-misplugging guiding structures to prevent hardware damage caused by incorrect interface insertion during installation. Gold-plated contacts are used for connectors to enhance contact reliability during long-term plugging and in harsh environments.

2.4 Convenient System Integration and Configuration

Standardized Interface Compatibility: Adopts a dedicated high-speed backplane bus interface of ICS Triplex, which can be directly inserted into the dedicated slot of the T8110/T8131 controller rack. The controller automatically recognizes the module after power-on, eliminating the need for manual configuration of module addresses and communication parameters, shortening the system integration cycle by 40%. It also supports hot swapping (requires controller authorization), enabling maintenance without shutdown and reducing production downtime.
Flexible Software Configuration: Compatible with the ICS Triplex Control Studio programming software. Through the software, users can customize the output logic of each channel (e.g., pulse width, output delay, fail-safe state), overload protection thresholds, and fault alarm methods. It supports offline configuration and online downloading, adapting to control requirements of different industrial scenarios (e.g., valve switching sequence control, pump start-stop interlocking).
Multi-System Compatibility and Expansion: In addition to being compatible with ICS Triplex’s own controllers, it can be connected to mainstream safety controllers such as Siemens S7-400H and Rockwell GuardLogix via dedicated communication conversion modules. The output signals support both dry contact and wet contact modes, capable of driving different types of actuators including AC contactors, DC solenoid valves, and indicator lights, offering excellent compatibility.

3. Key Technical Parameters

Category	Specific Specifications
Basic Information	Model: T8461 Brand: ICS Triplex Product Type: Safety-Grade Digital Output Module Compatible Controllers: ICS Triplex T8110, T8131, T8310
Output Channel Parameters	Number of Channels: 16 independent digital outputs Output Type: Dry contact/Wet contact (optional) Load Capacity: 2A/250V AC, 1A/30V DC Output Logic: Normally open/Normally closed (software-configurable) Fail-Safe State: Fully open/Fully closed/Maintained (software-configurable)
Fault Diagnosis & Protection	Channel Protection: Short-circuit protection (≤3A AC/≤1.5A DC), overload protection, open-circuit detection Module Protection: Power overvoltage (>30V DC), overcurrent (>2A), communication interruption protection Fault Records: Stores 50 fault records (including timestamp, channel, type)
Communication & Power	Communication Interface: ICS Triplex dedicated backplane bus (transmission rate: 100Mbps) Operating Voltage: 24V DC ±10% (supports redundant power input) Power Consumption: ≤15W (normal operation), ≤25W (maximum load)
Physical & Environmental Parameters	Dimensions (W×H×D): 160mm×100mm×220mm Weight: Approximately 850g Operating Temperature: -40℃~+70℃ Storage Temperature: -40℃~+85℃ Relative Humidity: 5%~95% (non-condensing) Protection Rating: IP20 (board-level) Electromagnetic Compatibility: EN 61000-6-2/3
Safety & Certification	Safety Standard: IEC 61508 SIL 3 Certifications: UL 508, CSA C22.2 No.107.1, ATEX II 2G Ex d IIC T4 Ga

4. Typical Application Scenarios4.1 Petrochemical Industry

Chemical Reactor Control: Used for digital output control of reactor feed valves, discharge valves, and agitator motor contactors. The 16 channels control different actuators separately. Combined with the fail-safe mode (e.g., automatically closing feed valves when power is cut off), it prevents safety accidents caused by reactor overpressure or overtemperature. The real-time channel diagnosis function can promptly detect channel overload caused by valve jamming, providing early warnings of equipment failures.
Oil and Gas Pipeline Transportation Systems: Adapted for controlling shut-off valves and booster pumps in long-distance oil and gas pipelines. The module’s redundant architecture ensures uninterrupted control signals in extreme environments (e.g., high-temperature and high-salt-spray environments at unattended stations along the pipeline). When a pipeline leak is detected, the module can quickly shut off the shut-off valve to prevent the spread of oil and gas leaks, complying with petroleum industry safety regulations.

4.2 Power Industry

Thermal Power Plant Boiler Control: Used for digital output control of boiler feedwater control valves, desuperheating and depressurization valves, and induced draft fan dampers. Each channel accurately drives the corresponding solenoid valve or contactor, ensuring boiler parameters such as water level, temperature, and pressure remain stable within the safe range. The module’s wide-temperature design adapts to the high-temperature environment of the boiler room, and the fault self-diagnosis function prevents boiler flameout or overpressure caused by valve failures.
Nuclear Power Plant Auxiliary System: Adapted for controlling safety-grade auxiliary equipment of nuclear power plants (e.g., emergency cooling pumps, safety injection system valves). The module meets the IEC 61508 SIL 3 safety level, and its redundancy and fail-safe design satisfy the "defense-in-depth" safety requirements of nuclear power plants. It ensures that the auxiliary system can operate reliably according to preset logic under extreme operating conditions, safeguarding nuclear safety.

4.3 Rail Transit and Metallurgical Industries

Metro Signal System: Used for digital output control of metro train track switch conversion mechanisms and signal lights. The module’s high EMC performance adapts to the strong electromagnetic interference environment along metro lines (e.g., interference from traction power supply systems). The fail-safe mode ensures that signal lights automatically switch to red when switch conversion fails, preventing train collision accidents.
Steel Mill Rolling Mill Control: Used for controlling solenoid valves in the rolling mill hydraulic system and contactors for roller table motors. The 16 channels can simultaneously control actuators in different parts of the rolling mill, cooperating with the controller to achieve precise regulation of the rolling rhythm. The module’s vibration resistance (compliant with IEC 60068-2-6 standard: 5Hz~150Hz, 2g acceleration) adapts to the high-vibration environment of the rolling mill, ensuring stable execution of control commands.

Product Tags: ICS Triplex , T8461 , Digital Output Module