TRICONEX 3721 Product Overview

TRICONEX 3721 is a high-performance digital control module or digital input card designed for TRICONEX Trident Safety Instrumented System(SIS).It is widely used in industrial control systems,especially in the control and monitoring of safety-critical systems.The following is a detailed introduction to TRICONEX 3721.

Core Functions

Digital Input:Used to monitor equipment status or process parameters.TRICONEX 3721 provides multiple(16 or 32 in different terms)digital input channels,each of which can be configured individually to support multiple input types such as contact closure,voltage signal and current signal.The input range is usually 0-30VDC or 0-24mA(sinking or sourcing current).

Digital Output:Used to control actuators,relays or other digital output devices to perform specific control actions.The TRICONEX 3721 module provides multiple(such as 16)digital output channels,each of which can be independently configured and controlled,supporting multiple output types such as relay contact output,transistor output and switch output.

Fast response:Ability to detect input signal changes and perform output control actions in a timely manner to ensure that the system responds quickly to state changes.

Communication interface:May have communication interfaces such as Ethernet,serial interface(RS232,RS485),etc.,for data communication and remote monitoring with other devices or systems.

Technical specifications

Input characteristics

Number of channels:Up to 32(or 16,depending on the specific model or configuration)digital input channels.

Isolation method:Adopts optoelectronic isolation technology to effectively prevent the propagation of electrical noise and the risk of false triggering due to external interference.

Input sensitivity:The input circuit is carefully designed to work normally at microampere current and can capture extremely weak signal changes.

Input protection:Integrated overvoltage protection,reverse voltage protection and transient suppression protection measures to prevent module damage caused by unexpected electrical anomalies.

Output characteristics

Number of channels:Provides 16 digital output channels.

Output signal type:Supports multiple types such as relay contact output,transistor output and switch output.

Output voltage range:DC 5V to 24V,AC 24V to 230V(specific range may vary by model).

Output current capacity:varies according to different output types,meeting various load requirements from small sensors to large actuators.

Output isolation:Optical isolation technology is used to improve system safety and reliability.

Output diagnostics:Integrated intelligent output diagnostic function can monitor the status of each output channel in real time and automatically identify possible problems.

Resolution accuracy

The resolution accuracy of the TRICONEX 3721 module has reached the industry-leading level,capable of distinguishing changes as small as 0.061%or 0.015%of the full scale range(FSR).

In the operating temperature range of 0°C to 60°C,the accuracy is stably maintained at±0.15%FSR.

Operating conditions

Temperature range:-20°C to+70°C(or-40°C to+70°C,depending on the specific model or configuration).

Relative humidity:5%to 95%,non-condensing.

Application Fields

Industrial Automation:In automated production lines,factories and industrial processes,efficient data communication and coordination between devices are achieved.

Process Control:In the chemical,oil,gas and other industries,it is used to monitor and control key production parameters to ensure the safety and stability of the system.

Power System:In power plants and substations,it is responsible for the monitoring of power equipment and switchgear and communication with the power grid.

Safety System:Integrated in the industrial safety system to ensure the reliability of the overall system.

Data Acquisition:Widely used for data collection of various sensors and equipment,supporting real-time monitoring and analysis.

Remote Monitoring:In scenarios where remote operation is required,remote access and control of equipment and systems are achieved.

Other Features

Modular Design:Easy to install,maintain and replace,the number of modules can be flexibly configured and expanded as needed.

High Reliability:The use of advanced technology and strict quality control ensures that the modules can operate stably in various complex and harsh industrial environments.

Easy to configure:It can be configured using Triconex’s TriStation 1131 software,which provides a user-friendly interface for configuring and monitoring Triconex systems.