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Honeywell 2MLR-DBST 輸入/輸出接口模塊 是其 Safety Manager 安全控制器系列 中的關(guān)鍵組件，專為滿足高可靠性、功能安全要求的工業(yè)場景設(shè)計。

核心特性

安全認(rèn)證

符合 IEC 61508 SIL 3 或 TüV AK6 安全標(biāo)準(zhǔn)，適用于危險區(qū)域的安全聯(lián)鎖控制。

通過 ATEX、IECEx 認(rèn)證，支持防爆環(huán)境應(yīng)用。

冗余設(shè)計

支持雙通道冗余配置（如 2oo2 或 2oo3 架構(gòu)），確保單點(diǎn)故障時系統(tǒng)無間斷運(yùn)行。

模塊支持熱插拔，維護(hù)時可在線更換，減少停機(jī)時間。

高可靠性 I/O

提供 16通道數(shù)字量輸入/輸出（具體通道數(shù)依型號而定），支持安全信號（如急停、安全光幕、閥門控制）。

輸入支持 24V DC 冗余供電，輸出支持故障安全型繼電器或晶體管輸出。

快速響應(yīng)時間

輸入信號響應(yīng)時間 ≤ 10ms，輸出動作時間 ≤ 20ms，滿足緊急停車等實(shí)時性要求。

集成診斷功能

內(nèi)置自診斷電路，實(shí)時監(jiān)測 I/O 狀態(tài)、電源及通信鏈路，支持預(yù)測性維護(hù)。

提供詳細(xì)的故障日志，便于快速定位問題。

典型應(yīng)用場景

石油化工：緊急停車系統(tǒng)（ESD）、火氣系統(tǒng)（FGS）。

軌道交通：站臺安全門控制、信號聯(lián)鎖。

電力能源：燃?xì)廨啓C(jī)安全保護(hù)、變電站自動化。

制藥與食品加工：安全聯(lián)鎖控制（如滅菌設(shè)備、包裝線急停）。

技術(shù)規(guī)格（示例）

輸入類型：數(shù)字量（支持干接點(diǎn)或 NAMUR 傳感器）。

輸出類型：故障安全型繼電器（強(qiáng)制導(dǎo)向觸點(diǎn)）或晶體管輸出。

通信接口：支持 Modbus RTU、Ethernet/IP 或 Safety Manager 總線。

工作環(huán)境：溫度范圍 -40°C 至 70°C，防護(hù)等級 IP67（部分型號）。

供電：冗余 24V DC 電源輸入，支持寬電壓范圍。

系統(tǒng)兼容性

集成平臺：與 Honeywell Experion PKS 或第三方 DCS/PLC 系統(tǒng)無縫集成。

配置工具：通過 Safety Builder 軟件進(jìn)行邏輯組態(tài)、安全策略配置及仿真測試。

擴(kuò)展能力：支持級聯(lián)多個 I/O 模塊，構(gòu)建分布式安全網(wǎng)絡(luò)。

用戶關(guān)注點(diǎn)

合規(guī)性：滿足 IEC 61511、ISA 84 等功能安全標(biāo)準(zhǔn)，降低合規(guī)風(fēng)險。

維護(hù)便捷性：模塊化設(shè)計支持快速更換，減少人工干預(yù)。

生命周期管理：Honeywell 提供長期備件支持及技術(shù)升級路徑。

競爭優(yōu)勢

高可用性：冗余架構(gòu)確保關(guān)鍵工藝的安全性和連續(xù)性。

靈活擴(kuò)展：支持從小型安全回路到全廠級安全系統(tǒng)的擴(kuò)展。

開放協(xié)議：兼容主流工業(yè)通信協(xié)議，降低系統(tǒng)集成復(fù)雜度。

The Honeywell 2MLR-DBST input/output interface module is a key component in its Safety Manager safety controller series, designed specifically to meet high reliability and functional safety requirements in industrial scenarios.

core features

safety certification

Compliant with IEC 61508 SIL 3 or T ü V AK6 safety standards, suitable for safety interlock control in hazardous areas.

Through ATEX and IECEx certification, it supports applications in explosion-proof environments.

Redundant design

Support dual channel redundant configuration (such as 2oo2 or 2oo3 architecture) to ensure uninterrupted system operation in the event of a single point of failure.

The module supports hot swapping and can be replaced online during maintenance, reducing downtime.

High reliability I/O

Provide 16 channels of digital input/output (the specific number of channels depends on the model), supporting safety signals (such as emergency stop, safety light curtain, valve control).

The input supports 24V DC redundant power supply, and the output supports fault safe relay or transistor output.

fast response time

Input signal response time ≤ 10ms, output action time ≤ 20ms, meeting real-time requirements such as emergency parking.

Integrated diagnostic function

Built in self diagnostic circuit, real-time monitoring of I/O status, power supply, and communication links, supporting predictive maintenance.

Provide detailed fault logs for quick problem identification.

Typical application scenarios

Petrochemical industry: Emergency Shutdown System (ESD), Fire and Gas System (FGS).

Rail transit: platform safety door control, signal interlocking.

Electric energy: gas turbine safety protection, substation automation.

Pharmaceutical and food processing: safety interlock control (such as sterilization equipment, packaging line emergency stop).

Technical specifications (example)

Input type: Digital quantity (supports dry contacts or NAMUR sensors).

Output type: Fault safe relay (forced guiding contact) or transistor output.

Communication interface: Supports Modbus RTU, Ethernet/IP, or Safety Manager bus.

Working environment: Temperature range -40 ° C to 70 ° C, protection level IP67 (some models).

Power supply: Redundant 24V DC power input, supporting a wide voltage range.

system compatibility

Integration Platform: Seamless integration with Honeywell Expert PKS or third-party DCS/PLC systems.

Configuration tool: Use Safety Builder software for logical configuration, safety policy configuration, and simulation testing.

Scalability: Supports cascading multiple I/O modules to build a distributed secure network.

User Focus Points

Compliance: Meet functional safety standards such as IEC 61511 and ISA 84 to reduce compliance risks.

Maintenance convenience: Modular design supports quick replacement and reduces manual intervention.

Lifecycle management: Honeywell provides long-term spare parts support and technology upgrade paths.

competitive edge

High availability: Redundant architecture ensures the safety and continuity of critical processes.

Flexible Expansion: Supports expansion from small safety circuits to whole plant level safety systems.

Open protocol: Compatible with mainstream industrial communication protocols, reducing system integration complexity.