描述
PILZ A.F.051.501 08.04是德国Pilz（皮尔磁）公司生产的一款安全继电器模块，属于其经典安全控制系统PNOZ系列。该产品广泛应用于工业自动化领域，用于实现紧急停止、安全门监控、双手控制等安全功能，符合ISO 13849-1（PL e/Cat 4）和IEC 61508（SIL 3）等国际安全标准。
1.产品定位与核心功能
1.1应用场景
机械安全防护：监控安全门、光栅、安全地毯等安全装置，防止人员误入危险区域。
紧急停止系统：作为E-Stop（紧急停止）回路的核心组件，确保设备在紧急情况下快速停机。
双手控制：用于冲压机、压铸机等需要双手同步操作的安全场景。
自动化设备安全：集成到机器人、CNC机床、包装线的安全控制系统中，提升设备安全性。
1.2技术亮点
冗余设计：采用双通道输入/输出，避免单点故障导致安全失效。
快速响应：响应时间<15ms，确保安全功能即时触发。
自诊断功能：实时监测继电器状态、电源电压、输入信号，故障时自动切断输出。
模块化扩展：支持级联连接，可与其他PNOZ系列模块组合，构建复杂安全系统。
2.技术规格与详细参数
2.1基础参数
参数规格
型号PILZ A.F.051.501 08.04
制造商Pilz GmbH&Co.KG（德国）
系列PNOZmulti 2（基础版）
输入通道2个安全输入（双通道冗余），支持常闭（NC）或常开（NO）触点
输出通道2个安全输出（双通道冗余），继电器触点容量AC 250V/6A，DC 30V/6A
辅助输出1个半导体输出（用于信号指示），最大负载30V/50mA
电源电压24V DC（-15%/+20%），功耗约3W
工作温度-25℃至+60℃（工业级环境适应）
防护等级IP20（需安装在控制柜内）
尺寸（W×H×D）45×99×124 mm（标准DIN导轨安装）
重量约200g
2.2安全认证与标准
ISO 13849-1****：Performance Level(PL)e，Category 4（最高安全等级）。
IEC 61508：Safety Integrity Level(SIL)3（适用于功能安全系统）。
EN ISO 13850：符合紧急停止设备标准。
UL 508A、CSA C22.2 No.142：通过北美安全认证。
CE、TÜV：符合欧盟安全与电磁兼容要求。
3.产品优势与用户价值
3.1可靠性保障
双通道冗余：输入/输出均采用独立通道，单通道故障不影响安全功能。
自诊断技术：实时监测内部状态，故障时自动触发安全输出切断，避免误操作。
长寿命设计：继电器触点寿命>100万次操作，减少维护频率。
3.2灵活性与兼容性
支持多种输入信号：可连接机械开关、安全光幕、安全传感器等设备。
级联扩展：通过PNOZmulti 2底座可连接多个模块，构建复杂安全逻辑。
软件配置：可选配PNOZmulti Configurator软件，通过图形化界面配置安全逻辑（需确认型号是否支持）。
PILZ A.F.051.501 08.04 is a safety relay module produced by Pilz,Germany,and belongs to its classic safety control system PNOZ series.This product is widely used in the field of industrial automation to achieve safety functions such as emergency stop,safety door monitoring,and two-hand control,and complies with international safety standards such as ISO 13849-1(PL e/Cat 4)and IEC 61508(SIL 3).
1.Product positioning and core functions
1.1 Application scenarios
Mechanical safety protection:monitor safety devices such as safety doors,gratings,and safety carpets to prevent people from entering dangerous areas by mistake.
Emergency stop system:As the core component of the E-Stop(emergency stop)circuit,it ensures that the equipment stops quickly in an emergency.
Two-hand control:used in safety scenarios such as stamping machines and die-casting machines that require two-hand synchronous operation.
Automation equipment safety:integrated into the safety control system of robots,CNC machine tools,and packaging lines to improve equipment safety.
1.2 Technical highlights
Redundant design:Dual-channel input/output is used to avoid safety failure caused by single-point failure.
Quick response:Response time<15ms,ensuring instant triggering of safety functions.
Self-diagnosis function:Real-time monitoring of relay status,power supply voltage,input signal,and automatic output cutoff in case of failure.
Modular expansion:Supports cascade connection and can be combined with other PNOZ series modules to build complex safety systems.
2.Technical specifications and detailed parameters
2.1 Basic parameters
Parameters Specifications
Model PILZ A.F.051.501 08.04
Manufacturer Pilz GmbH&Co.KG(Germany)
Series PNOZmulti 2(basic version)
Input channel 2 safety inputs(dual-channel redundancy),support normally closed(NC)or normally open(NO)contacts
Output channel 2 safety outputs(dual-channel redundancy),relay contact capacity AC 250V/6A,DC 30V/6A
Auxiliary output 1 semiconductor output(for signal indication),maximum load 30V/50mA
Power supply voltage 24V DC(-15%/+20%),power consumption about 3W
Operating temperature-25℃to+60℃(industrial environment adaptation)
Protection level IP20(needs to be installed in a control cabinet)
Dimensions(W×H×D)45×99×124 mm(standard DIN rail installation)
Weight About 200g
2.2 Safety certification and standards
ISO 13849-1****:Performance Level(PL)e,Category 4(highest safety level).
IEC 61508:Safety Integrity Level(SIL)3(applicable to functional safety systems).
EN ISO 13850:Meets the emergency stop device standard.
UL 508A,CSA C22.2 No.142:Passed North American safety certification.
CE,TÜV:Meets EU safety and electromagnetic compatibility requirements.
3.Product advantages and user value
3.1 Reliability guarantee
Dual channel redundancy:Input/output uses independent channels,and single channel failure does not affect safety functions.
Self-diagnosis technology:Real-time monitoring of internal status,automatic triggering of safety output cut-off in case of failure to avoid misoperation.
Long life design:Relay contact life>1 million operations,reducing maintenance frequency.
3.2 Flexibility and compatibility
Supports a variety of input signals:can connect mechanical switches,safety light curtains,safety sensors and other devices.
Cascade expansion:multiple modules can be connected through the PNOZmulti 2 base to build complex safety logic.
Software configuration:PNOZmulti Configurator software can be used to configure safety logic through a graphical interface(need to confirm whether the model supports it).
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