T8461 High performance Trusted Triple (TMR) 24V DC/48V DC Digital Output Module

Description

T8461 is a high-performance Trusted Triple (TMR) 24V DC/48V DC digital output module launched by ICS Triplex. As an advanced Tricon ® A part of the security system, it is designed as the cornerstone of a high reliability control architecture.

T8461

This module can interface with up to 40 field devices, serving as a bridge between the central processing unit of the control system and the field actuators. The core TMR architecture is the key to its outstanding performance. Each of the 40 output channels has its own independent triple signal path. This means that each output signal will be independently processed three times and subjected to 2oo3 (two out of three) voting logic. If one channel fails, the module can still use the signals from the other two normal channels to operate normally, ensuring continuous and precise control.

It can be easily integrated into existing Tricons ® In the system, whether used for expanding existing installations or retrofitting old systems. The hot swappable design of this module is a great boon for 24/7 uninterrupted industrial operations. If a module needs to be replaced, it can be done without shutting down the entire system, thereby minimizing downtime and maintaining production continuity. T8461 is also compatible with ICS Triplex’s user-friendly Configurator software. This software simplifies the configuration process, allowing engineers to easily set parameters such as output voltage levels, current limits, and diagnostic thresholds, while ensuring compliance with international safety standards such as IEC 61508, suitable for Safety Integrity Level (SIL) systems.

T8461

Main features and advantages:
Its comprehensive diagnostic ability is a prominent feature. Triple diagnostic testing will continue throughout the entire module. These tests include measuring the current and voltage of each part of the voting output channel. In addition, it will also conduct tests for stuck on and stuck off faults. This ensures that any potential issues can be detected early and appropriate measures taken to prevent system failures. Each channel has automatic line monitoring function. This feature is very useful because it can detect open and short circuit faults in on-site wiring and load devices. In this way, it helps to maintain the integrity of the control loop and prevent any unexpected behavior of the connected devices.

In terms of hardware, T8461 is durable and long-lasting. It adopts a sturdy structure that can withstand harsh industrial environments. Its working temperature range is from -40 ° C to 70 ° C, and it can operate normally under extreme cold or hot conditions. This module has a 2500V impact resistant optoelectronic electromagnetic isolation barrier. This isolation barrier can protect the module from electrical transients and noise, ensuring clear and reliable signal transmission. T8461 also provides a sequence of events (SOE) report on board with a resolution of up to 1ms. When the output status changes, it triggers an SOE entry. The output status is automatically determined by the voltage and current measurements on the module. This SOE report is highly valuable for troubleshooting and auditing as it provides a detailed record of module output activities over time.

T8461

Technical specifications:
Model T8461
Brand ICS Triplex
Trusted Triple Reduction (TMR) 24V DC/48V DC Digital Output Module
System power supply voltage range 20-32V DC
Circuit type fault-tolerant, fully triple, with optional line monitoring
Output quantity: 40 channels
5 independent power supply groups, each with 8 outputs
Operating output/on-site voltage range 18-60V DC
Rated output current (continuous) 0.75A per channel
Output short-circuit protection electronic (latch)
SOE report resolution 1ms
Isolation barrier 2500V impact resistant optoelectronic electromagnetic isolation
Installation method DIN rail (TS35/7.5 or TS35/15) with quick release clip
Certified to comply with SIL standards (according to IEC 61508), ATEX (if applicable for use in explosion-proof areas equipped with appropriate barriers), CE，UL
Environmental grade IP20 (front panel), prevents solid objects and limited dust from entering, IK08 (impact resistant)
Passive cooling method (fanless)

Contact Us
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T8461

Application areas:
In petrochemical plants, even small errors in controlling valves or pumps can lead to serious safety hazards and production interruptions, and T8461 plays a crucial role in this regard. It can precisely manage the digital output signals that drive critical equipment, such as closing valves or adjusting pump speed to maintain optimal fluid flow in emergency situations.
In power generation facilities, whether it is coal-fired power plants or modern wind farms, T8461 is responsible for controlling various auxiliary systems. For example, it can manage the opening and closing of air doors in the ventilation system of power plant boilers, ensuring an appropriate air-fuel ratio to achieve efficient combustion.
In pharmaceutical production, strict environmental control and precise equipment operation are crucial for product quality, and T8461 controls the operation of cleanroom equipment such as air handling units and sterilization equipment.

T8461

Related products:
T8462- With enhanced communication capabilities, it may support additional communication protocols or faster data transmission rates, making it suitable for applications that require seamless integration with a wider range of devices or high-speed data exchange in control systems.
T8459- Reduced number of output channels, such as 20 channels, suitable for small and medium-sized industrial applications that do not require a large amount of output, such as some small and medium-sized manufacturing plants or simple process control settings.
T8463- Equipped with additional safety related features such as enhanced overvoltage and overcurrent protection mechanisms, or higher fault tolerance levels, making it highly suitable for safety critical industries such as nuclear power plants or high-risk chemical manufacturing processes.
T8464- Provides improved power management capabilities with lower power consumption while maintaining the same level of performance. This is very advantageous for applications where energy efficiency is a key consideration, such as remote industrial facilities powered by solar or wind energy, or factories that wish to reduce overall energy costs.
T8465- Suitable for applications with limited space, such as control cabinets with limited space or mobile industrial equipment where size and weight are critical factors.
T8466- Designed with advanced self-healing capabilities, the module can automatically reconfigure to continue running in the event of minor faults, but with reduced functionality, further reducing downtime. This is highly valuable for critical task applications where any operational interruption could have serious consequences.

T8461

Installation and maintenance:
Before installing T8461, a thorough pre installation assessment must be conducted. Firstly, check the electrical infrastructure to ensure that the power supply in the control system can accurately meet the 20-32V DC requirements of T8461. Any voltage fluctuations beyond this range may cause the module to operate abnormally or be damaged. Accurately measure the available space in the control cabinet. There should be sufficient clearance around T8461 to ensure proper ventilation, as it generates some heat during operation. Ensure that the grounding system in the control cabinet is installed correctly and meets safety standards. A good grounding system is crucial for protecting modules from electrical interference and ensuring personnel safety. Please follow the detailed installation guide provided by ICS Triplex during installation. Pay special attention to the connection between module to module bus (IMB) and field devices. Incorrect connections may cause communication failures or incorrect output signals.

Establish a plan for regular visual inspections of T8461 during maintenance. Check the front panel output status LED of each channel. These LEDs indicate the output status and can also display whether there is a wiring fault on site. The front panel module status LED should be monitored to assess the overall health status and operating mode (active, standby, learning) of the module. Regularly use ICS Triplex Configurator software to view diagnostic data of modules. This includes checking any channel related issues detected by the automatic line monitoring function, such as open or short circuits. Keeping module firmware updated is also crucial. Firmware updates typically include error fixes, performance enhancements, and new features that can improve the overall performance of T8461.

Other product models of ICS brand:
ICS T8310
ICS TRIPLEX T9100
ICS T8231
ICS T8461
ICS TRIPLEX T8403C
ICS T8472C
ICS TRIPLEX T8110B
ICS TRIPLEX T8461
ICS TRIPLEX T8480
ICS TRIPLEX T8442
ICS T8111C
ICS TRIPLEX T8110C
ICS T8231 with power fan
ICS TRIPLEX T8310
ICS TRIPLEX T8191
ICS TRIPLEX T8431
ICS TRIPLEX T9482
ICS TRIPLEX T9110
ICS TRIPLEX T8310
ICS TRIPLEX T8431
ICS TRIPLEX T8403
ICS TRIPLEX T8461
ICS Triplex T8231C
ICS T8111C
ICS T3481A
ICS T8151C
ICS T8403C
ICS T8431
ICS T8431C