TRICONEX 3721

TRICONEX 3721 is an I/O module designed for Triconex Safety Instrumented System(SIS)with high reliability,high security and high availability.The following is a detailed introduction to TRICONEX 3721:

1.Product Overview

TRICONEX 3721 module is commonly used in safety-critical systems to monitor and control digital inputs and outputs.It can connect various sensors and actuators to SIS and provide safe and reliable data acquisition and control functions.This module plays an important role in industrial automation,process control,and safety monitoring.

2.Technical Specifications

Digital Input:

Number of channels:16(some say 32 differential input channels,depending on configuration)

Input type:contact closure,voltage signal(030VDC)or current signal(024mA,sink or source)

Input filter:programmable from 0 to 1 second

Input debounce time:programmable from 0 to 500 milliseconds

Input voltage isolation:1500Vrms between field side and logic side

Input current isolation:3000Vrms between field side and logic side

Digital output(may be available depending on the specific model):used to control actuators,relays or other digital output devices.

TRICONEX 3721

Communication interface:

RS-232,RS-485

Other communication protocols such as Modbus,Profibus DP,HART may also be supported(depending on the configuration)

Physical characteristics:

Dimensions:approximately 160 x 110 x 50 mm(specific dimensions may vary depending on the version)

Mounting method:DIN rail mounting

Power requirements:IEC compliant

Operating temperature:-40°C to+75°C(specific temperature range may vary depending on the version)

Power consumption:maximum 25W(some say maximum 4W,depending on the configuration)

Processor and memory:

Processor:Dual-core ARM Cortex-A9(specific model may vary depending on the version)

Memory:1 GB DDR3 RAM and 4 GB Flash(specific configuration may vary depending on the version)

III.Product features

High reliability:Triple redundant(TMR)architecture is used to ensure high reliability and availability of the system.

High safety:Complies with IEC 61508 standard and meets SIL 3 safety integrity level requirements,suitable for safety-critical systems.

Easy to configure:Each input channel can be configured individually,including parameters such as input type,filter,de-jitter time,etc.

Easy to install and maintain:The module adopts a modular design,which is easy to install,maintain and replace.At the same time,it supports hot-swap function and can be replaced without interrupting the operation of the Triconex system.

Multiple input type support:Supports multiple digital input types such as contact closure,voltage signal and current signal.

Rugged and durable:Designed for harsh environments,it can withstand extreme temperatures,shocks and vibrations.

TRICONEX 3721

IV.Application areas

TRICONEX 3721 modules are widely used in the following fields:

Petrochemical:In the oil and gas industry,it is used to monitor and control key parameters in the process flow,such as temperature,pressure,flow,etc.

Power:In power systems,it is used to monitor and control power equipment,switchgear and communication with the power grid.

Pharmaceutical:In the pharmaceutical industry,it is used to ensure safety and stability in the production process.

Industrial automation:In automated production lines and factories,it is used to achieve data communication and coordination between equipment.

Security system:Used to integrate with industrial safety systems to ensure system reliability and safety.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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