DI581-S 安全数字输入模块

DI581-S 安全数字输入模块

DI581-S是ABB公司一款安全数字量输入模块。 它是 System 800xA 安全 I/O 系列的一部分，旨在为安全关键型应用提供安全可靠的信号采集。 DI581-S 通过了 SIL 2/3 认证，符合 IEC 61508 的功能安全要求。
主要特点：
16 个安全数字输入：DI581-S 提供 16 个安全数字输入，每个都可以配置为单通道或双通道输入。这使得该模块可用于监控各种与安全相关的信号。
高精度：DI581-S 提供高达 0 的高精度。满量程的1%，确保可靠的信号采集。
快速响应时间：DI581-S 的响应时间小于 1 毫秒，DI581-S 可以快速响应输入信号的变化，使其适用于要求苛刻的安全应用。
SIL 2/3 认证：DI581-S 通过了 SIL 2/3 认证，符合 IEC 61508 的功能安全要求。这意味着该模块可用于需要高度安全完整性的应用。
诊断功能：DI581-S 提供多种诊断功能，有助于确保安全系统的完整性。这些功能包括自检、信道监测，和故障检测。
应用：
DI581-S 适用于各种安全关键型应用，包括：
紧急停机系统：监控安全传感器，以便在发生危险时触发紧急停机程序。
机器防护：监控安全联锁装置，以防止进入机械的危险区域。
火灾探测系统：监控火灾探测器以激活火灾报警器和自动喷水灭火系统。
气体检测系统：监测气体检测仪，以警告危险气体泄漏。
门禁系统：监控安全传感器，以控制对限制区域的访问。
技术规格：
通道数：16
输入类型：单通道或双通道数字输入
输入电压范围：24 VDC
精度：±0。满量程的 1%
响应时间：<1 ms
安全完整性等级 （SIL）：2/3
诊断功能：自检、信道监控、故障检测
电源：24 VDC
工作温度：-20°C 至 +60°C
防护等级：IP67

DI581-S 安全数字输入模块

DI581-S is a secure digital input module from ABB. It is part of the System 800xA Secure I/O family and is designed to provide secure and reliable signal acquisition for safety-critical applications. DI581-S is SIL 2/3 certified and meets the functional safety requirements of IEC 61508.
Main features:
16 secure digital inputs: The DI581-S offers 16 secure digital inputs, each of which can be configured as single - or dual-channel inputs. This allows the module to be used to monitor a variety of security-related signals.
High accuracy: The DI581-S offers high accuracy up to 0. 1% of full scale to ensure reliable signal acquisition.
Fast response time: With a response time of less than 1 millisecond, the DI581-S can respond quickly to changes in the input signal, making it suitable for demanding security applications.
SIL 2/3 Certification: DI581-S is SIL 2/3 certified and meets the functional safety requirements of IEC 61508. This means that the module can be used in applications that require a high level of security integrity.
Diagnostic capabilities: The DI581-S provides a variety of diagnostic capabilities to help ensure the integrity of security systems. These features include self-checking, channel monitoring, and fault detection.
Applications:
The DI581-S is suitable for a variety of safety-critical applications, including:
Emergency shutdown system: Monitors safety sensors to trigger emergency shutdown procedures in the event of danger.
Machine protection: Monitor safety interlocks to prevent access to dangerous areas of machinery.
Fire detection system: Monitor fire detectors to activate fire alarms and sprinkler systems.
Gas detection system: Monitors gas detectors to warn of dangerous gas leaks.
Access control system: Monitors security sensors to control access to restricted areas.
Technical specifications:
Number of channels: 16
Input type: single-channel or dual-channel digital input
Input voltage range: 24 VDC
Accuracy: ±0. 1% of full scale
Response time: <1 ms
Safety Integrity Level (SIL) : 2/3
Diagnostic functions: self-check, channel monitoring, fault detection
Power Supply: 24 VDC
Operating temperature: -20°C to +60°C
Protection level: IP67

DI581-S 安全数字输入模块