PFTL101BE 5.0KN工控备件模块
然后，应将防护系统的特性与风险评估结果进行比较，以确定是否可以将风险降低到可接受的水平。在某些应用中，为了达到可接受的风险水平，可能需要组合使用多种类型的防护系统。•该系统旨在通过感应人员在机器周围的地板区域和其他类似危险来保护人员。•该系统只能在给定的规格范围内使用，并且必须严格按照本手册中提供的信息进行安装。•该系统本身不能防止材料、气体和辐射喷射造成的危险。对于这些应用，可能需要额外的保护措施，如物理防护。•该系统不打算用作外围防护。•该系统不打算用作机器启动或重新启动装置。机器控制电路的配置必须确保系统输出触点的闭合能够启动机器的启动电路，但不会直接导致机器启动。机器的启动或重新启动只能通过在指定的机器控制装置上进行单独的故意操作来实现。•该系统不适用于爆炸性环境。•如果需要有关系统适用于特定应用的进一步指导，请联系供应商。用作组合跳闸和存在传感系统图5用作组合跳闸与存在传感系统。该系统允许操作员和某些类型的车辆清晰地查看过程，无阻碍地进入。•必须有足够的空间，以确保从危险到可接近的垫子周边的最小距离符合第5节中给出的安全距离计算。•所定义的周边和危险之间的整个地板区域必须由垫子传感器覆盖，以便在不启动垫子系统的情况下无法接近或接近危险。危险垫8用作防护周界内的存在感测系统图6用作防护周界中的存在感系统。该系统提供存在感测，以防止人员在封闭区域内时机器启动。•当系统以这种方式用作二级保护系统时，第5.4.1节中给出的安全距离计算不适用。周界防护方法应符合所有相关要求。
The characteristics of the safeguarding system should then be compared with the results of the risk assessment to determine whether the risk can be reduced to an acceptable level. On some applications the combined use of more than one type of safeguarding system may be necessary to achieve an acceptable level of risk. • The system is designed for the protection of personnel by sensing their presence on floor areas around machinery and other similar hazards. • The system must be used only within the specification limits given and be installed strictly in accordance with the information provided in this manual. • The system alone does not provide protection against hazards arising from the ejection of materials, gasses and radiation. For these applications additional protective measures such as physical guards may be required. • The system is not intended for use as a perimeter only guard. • The system is not intended for use as a machine initiation or re-initiation device. The machine control circuit must be configured such that closing of the systems output contacts enables the starting circuit of the machine but does not directly cause the machine to start up. The starting or restarting of the machine should only be possible by a separate and deliberate action at the designated machine controls. • The system is not suitable for use in explosive atmospheres. • If further guidance is required concerning the suitability of the system for a specific application please contact supplier. USE AS A COMBINED TRIP AND PRESENCE SENSING SYSTEM Fig. 5 Use as a combined trip and presence sensing system. The system allows a clear view of the process and unhindered access for operators and some types of vehicles. • There must be sufficient space to allow the minimum distance from the hazard to the accessible mat perimeter to be in accordance with safety distance calculations given in section 5. • The entire floor area between the defined perimeter and the hazard must be covered by mat sensors so that it is not possible to approach or be in the vicinity of the hazard without actuating the mat system. HAZARD MATS 8 USE AS A PRESENCE SENSING SYSTEM WITHIN A GUARDED PERIMETER Fig. 6 Use as a presence sensing system within a guarded perimeter. The system provides presence sensing to prevent any possibility of the machine being started whilst personnel are inside the enclosed area. • The safety distance calculations given in section 5.4.1 are not applicable when the system is used in this way as a secondary protective system. The perimeter guarding method should conform with all relevant requirements.
