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TRICONEX 3721 是專為 Triconex 安全儀表系統(tǒng)（SIS） 設(shè)計(jì)的高性能輸入輸出模塊卡件，具備高可靠性、冗余設(shè)計(jì)及靈活配置能力，廣泛應(yīng)用于石油、天然氣、化工等關(guān)鍵工業(yè)領(lǐng)域。

一、產(chǎn)品概述

類型：模擬量輸入模塊（部分資料提及數(shù)字輸入功能，可能存在型號細(xì)分或功能擴(kuò)展）。

用途：采集過程變量（如溫度、壓力、流量等），提供安全聯(lián)鎖功能，實(shí)現(xiàn)安全控制策略。

兼容性：與 Triconex Trident 安全儀表系統(tǒng) 完全兼容，支持 TriStation 1131 軟件進(jìn)行配置和監(jiān)控。

二、技術(shù)規(guī)格

輸入通道：

數(shù)量：32 個(gè)差分模擬量輸入通道（部分資料提及 16 個(gè)數(shù)字輸入通道，可能為不同版本）。

類型：支持 4-20mA 或 0-10V 模擬信號輸入，兼容觸點(diǎn)閉合、電壓信號和電流信號。

精度：高分辨率（12 位或 14 位可選），精度在 0°C 至 60°C 時(shí)小于 FSR 的 0.15%。

隔離：輸入通道之間具備電氣隔離，防止干擾。

性能參數(shù)：

輸入范圍：-5V 至 +5V、0V 至 +5V 或 0V 至 +10V。

輸入更新率：10 毫秒。

共模抑制比：-85 dB（DC-100 Hz）。

輸入過載保護(hù)：150 VDC/115 VAC 連續(xù)。

環(huán)境適應(yīng)性：

工作溫度：-40°C 至 +70°C。

濕度范圍：5% 至 95% RH（非凝結(jié)）。

振動(dòng)：0.05g RMS（隨機(jī)）。

沖擊：15g（半正弦）。

電氣特性：

功耗：最大 5W。

防護(hù)等級：IP65（部分資料提及）。

三、功能特性

三重冗余（TMR）架構(gòu)：

即使在單個(gè)模塊發(fā)生故障的情況下，也能確保系統(tǒng)連續(xù)運(yùn)行，提供高可靠性。

每個(gè)通道獨(dú)立運(yùn)行，具備自我診斷和故障隔離能力。

可配置性：

每個(gè)通道可單獨(dú)配置輸入類型、濾波器、去抖動(dòng)時(shí)間等參數(shù)，適應(yīng)不同應(yīng)用場景。

支持熱插拔，可在不中斷系統(tǒng)運(yùn)行的情況下更換模塊。

診斷與維護(hù)：

內(nèi)置診斷功能，持續(xù)監(jiān)控模塊運(yùn)行狀況并檢測潛在故障。

提供詳細(xì)的故障報(bào)警信息，便于快速定位和修復(fù)問題。

兼容性與擴(kuò)展性：

支持與 Triconex Trident 系統(tǒng) 的無縫集成，可擴(kuò)展 I/O 模塊。

支持多種通信協(xié)議，如 Modbus、TCP/IP 等，便于與其他設(shè)備或系統(tǒng)進(jìn)行數(shù)據(jù)通信。

四、應(yīng)用領(lǐng)域

石油與天然氣：油氣管道壓力監(jiān)測、井口設(shè)備控制。

化工：反應(yīng)釜溫度調(diào)節(jié)、流體流量控制。

電力：發(fā)電機(jī)組勵(lì)磁控制、電網(wǎng)監(jiān)測。

制造業(yè)：自動(dòng)化生產(chǎn)線設(shè)備協(xié)同控制。

五、優(yōu)勢總結(jié)

高可靠性：TMR 架構(gòu)和冗余設(shè)計(jì)確保系統(tǒng)在惡劣環(huán)境下的穩(wěn)定運(yùn)行。

靈活性：可配置的通道參數(shù)和熱插拔功能，適應(yīng)不同工業(yè)場景需求。

易用性：支持 TriStation 1131 軟件進(jìn)行配置和監(jiān)控，降低使用門檻。

廣泛兼容性：與 Triconex Trident 系統(tǒng)及其他主流 DCS（分布式控制系統(tǒng)）兼容。

TRICONEX 3721 is a high-performance input/output module card designed specifically for Triconex Safety Instrumented Systems (SIS), with high reliability, redundant design, and flexible configuration capabilities. It is widely used in key industrial fields such as petroleum, natural gas, and chemical engineering.

1、 Product Overview

Type: Analog input module (some materials mention digital input function, there may be model segmentation or function expansion).

Purpose: To collect process variables (such as temperature, pressure, flow rate, etc.), provide safety interlock function, and implement safety control strategies.

Compatibility: Fully compatible with the Triconex Trident safety instrumented system, supporting TriStation 1131 software for configuration and monitoring.

2、 Technical specifications

Input channel:

Quantity: 32 differential analog input channels (some sources mention 16 digital input channels, which may be different versions).

Type: Supports 4-20mA or 0-10V analog signal input, compatible with contact closure, voltage signal, and current signal.

Accuracy: High resolution (12 bit or 14 bit optional), with an accuracy of less than 0.15% of FSR between 0 ° C and 60 ° C.

Isolation: There is electrical isolation between input channels to prevent interference.

Performance parameters:

Input range:- 5V to+5V, 0V to+5V, or 0V to+10V.

Input ｕｐｄａｔｅ rate: 10 milliseconds.

Common mode rejection ratio:- 85 dB (DC-100 Hz).

Input overload protection: 150 VDC/115 VAC continuous.

Environmental adaptability:

Working temperature:- 40 ° C to+70 ° C.

Humidity range: 5% to 95% RH (non condensing).

Vibration: 0.05g RMS (random).

Impact: 15g (half sine).

Electrical characteristics:

Power consumption: maximum 5W.

Protection level: IP65 (mentioned in some materials).

3、 Functional characteristics

Triple Redundancy (TMR) Architecture:

Even in the event of a single module failure, the system can ensure continuous operation and provide high reliability.

Each channel operates independently and has the ability to self diagnose and isolate faults.

Configurability:

Each channel can be individually configured with input type, filter, debounce time and other parameters to adapt to different application scenarios.

Supports hot swapping, allowing for module replacement without interrupting system operation.

Diagnosis and maintenance:

Built in diagnostic function, continuously monitoring module operation status and detecting potential faults.

Provide detailed fault alarm information for quick location and repair of problems.

Compatibility and Scalability:

Support seamless integration with the Triconex Trident system and expandable I/O modules.

Supports multiple communication protocols, such as Modbus, TCP/IP, etc., for easy data communication with other devices or systems.

4、 Application Fields

Oil and gas: pressure monitoring of oil and gas pipelines, control of wellhead equipment.

Chemical industry: temperature regulation of reaction vessels, fluid flow control.

Electricity: excitation control of generator sets, grid monitoring.

Manufacturing industry: Collaborative control of automated production line equipment.

5、 Summary of Advantages

High reliability: TMR architecture and redundancy design ensure stable operation of the system in harsh environments.

Flexibility: Configurable channel parameters and hot swappable functionality to meet the needs of different industrial scenarios.

Usability: Supports TriStation 1131 software for configuration and monitoring, reducing the threshold for use.

Wide compatibility: Compatible with Triconex Trident systems and other mainstream DCS (distributed control systems).

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