Description

The 3805E analog output module of Triconex is a key component of its Triconex Safety Instrumented System(SIS),designed specifically for high integrity and high availability industrial safety applications.As part of the Triconex TMR(Triple Modular Redundancy)architecture,the Triconex 3805E module provides 8 independent analog output channels,each with high precision and reliability,capable of outputting 4-20mA current signals for controlling on-site actuators such as valves,drivers,etc.The 3805E module adopts TMR technology,which means that each output channel is executed by three completely independent hardware,and the correctness and consistency of the output signal are ensured through an internal voting mechanism,ensuring the safe operation of the system even in the event of a hardware failure.The TRICONEX 3805E analog output module has a built-in self diagnostic function,which can continuously monitor the operating status of the module and issue an alarm when any potential faults are detected.This highly redundant and self diagnostic design makes the 3805E module an ideal choice for critical industrial applications that require the highest level of safety and continuous operation.

3805E TRICONEX

technical specifications

Product model:3805E

Manufacturer:TRICONEX(a brand under Schneider Electric)

Product type:Analog output module

Belonging series:Triconex

Number of output channels:8

Output current range:4-20 mA(+6%over range)

Resolution:12 bits

Output accuracy:≪0.25%(within the range of 4-20 mA,full-scale 0-21.2 mA,temperature 0°C to 60°C)

Overvoltage protection:+42.5 VDC(continuous)

Fault switching time:≪10 ms(typical value)

External circuit power supply:+42.5 VDC maximum+24 VDC nominal(reverse voltage protection)

Output circuit power requirement:250 ohms>;20 VDC(1 ampere minimum);500 ohms>;25 VDC(1 ampere minimum);

At 750 ohms>;30 VDC(1 ampere minimum);1000 ohms>;35 VDC(1 ampere minimum)

Diagnostic indicator light:module status(PASS,FAULT,ACTION,LOAD,PWR1,PWR2)

Color Code:Pea Green

Main features and advantages

The TriconeX 3805E analog output module,as the core component of the Triconex safety instrumented system,has outstanding features and advantages,making it perform well in critical safety applications.Its most notable feature is the adoption of Triple Modular Redundancy(TMR)architecture,which means that all key circuits within the module have been independently designed in triplicate,and the correctness of the output signal is ensured through hardware voting mechanism.Even if one or two channels fail,the TRICONEX 3805E module can still provide reliable and disturbance free output,greatly improving the availability and safety of the system.

High precision is another important advantage of the 3805E.Its 12 bit resolution and<;A 0.25%output accuracy ensures precise control of on-site actuators,thereby optimizing the stability and efficiency of the process.In addition,the TRICONEX 3805E module has a comprehensive self diagnostic function,which can monitor its own operating status and the integrity of the output circuit in real time.Once an abnormality is detected,an alarm will be immediately issued,making it convenient for users to take timely maintenance measures and reducing the risk of accidental parking.The module also has overvoltage protection and reverse voltage protection functions,further enhancing its adaptability and reliability in harsh industrial environments.Support online hot swapping function,which allows for the replacement of faulty modules while the system is running,minimizing system downtime to the greatest extent possible.

3805E TRICONEX

application area

The TRICONEX 3805E analog output module is widely used in critical industrial fields that require the highest level of safety and continuous operation due to its excellent safety,reliability,and accuracy.In the oil and gas industry,3805E is commonly used in emergency shutdown systems(ESD),fire and gas detection systems(F&G),and high integrity pressure protection systems(HIPPS)to precisely control actuators such as safety valves and regulating valves,ensuring safe shutdown and process control of factories in emergency situations.In the chemical and petrochemical industries,TRICONEX 3805E is applied in the protection systems of critical reactors and process units,controlling key parameters such as flow rate,temperature,and pressure to prevent catastrophic accidents.

In the power generation industry,especially in nuclear power plants and large thermal power plants,3805E is used to control the actuators of key equipment such as turbines and boilers,ensuring the safe and stable operation of power plants.In addition,in industries with strict safety requirements such as pharmaceuticals,metallurgy,and water treatment,the TRICONEX 3805E analog output module also plays a crucial role,providing a solid foundation for building safe and reliable automation control systems.

Related products

The products related to the 3805E analog output module include other I/O modules and main controllers of the TRICONEX safety instrumented system.For example,analog input modules such as 3721 or 3700A are used to collect analog signals on site;Digital input/output modules such as 3625 or 3503E are used to collect and control switch signals;The main controller of Triconex,such as Tricon CX or Trident system,is the core of the entire SIS system,responsible for executing safety logic and managing I/O modules.In addition,TRICONEX also provides various communication modules,such as modules that support protocols such as Modbus and HART,for data exchange with other control systems or upper computers.The power module is a key component of the Triconex system,providing redundant power to ensure stable operation of the system.On site terminal block(ETP)is used to connect field instruments and Triconex modules.

3805E TRICONEX

Installation and maintenance

Preparation before installation:Before installing the 3805E module,please carefully read the relevant product manual and installation guide to ensure that the installation environment meets the working temperature,humidity,and electromagnetic compatibility requirements of the module.Check if the packaging of the module is intact and confirm that the model is consistent with the order.Prepare the necessary installation tools,such as screwdrivers,etc.Ensure that the Triconex rack is powered off and reserve sufficient slot space according to the manual requirements.Carefully inspect the connectors on the back of the 3805E module to ensure they are clean and free from physical damage.According to the product manual,insert the 3805E module correctly into the designated slot of the Triconex rack and secure it firmly.When connecting the external circuit power supply and the signal line of the on-site actuator,it is necessary to use cables that meet the requirements and connect them accurately according to the wiring diagram to ensure correct and reliable wiring and avoid short circuits or open circuits.

Maintenance suggestion:To ensure the long-term stable operation of the 3805E module,it is recommended to perform regular maintenance.Regularly check whether the connections of the module in the rack are loose,and whether the external wiring is aged or damaged.If there are any problems,they should be dealt with in a timely manner.Keep the modules and control cabinets clean to prevent dust and foreign objects from entering the interior of the modules,which can affect heat dissipation and electrical performance.Regularly check whether the diagnostic indicator lights on the module panel are normal.If any abnormalities are found,they should be promptly recorded and the cause analyzed.Due to the hot swappable function of the 3805E module,faulty modules can be replaced while the system is running.However,it is still recommended to carefully read the manual and take necessary safety measures before operation.It is recommended to conduct regular functional testing on the entire Triconex system to verify the effectiveness of security features.If the 3805E module experiences an unsolvable malfunction,it is recommended to contact the professional technical support personnel of TRICONEX for maintenance or replacement to avoid self disassembly or repair,which may affect the safety and reliability of the system.

Product Guarantee

TRICONEX provides comprehensive product assurance for the 3805E analog output module.As a leading global supplier of safety instrumented systems,3805E modules undergo rigorous quality testing and performance testing to ensure that their products meet the highest safety standards and industrial specifications.For any manufacturing defects that occur under normal use,we provide a standard quality assurance period(please refer to the sales contract or product manual for the specific period).During the warranty period,we will provide free repair or replacement services.