SC-PCMX01 51307195-175处理器

产品标题: 霍尼-SC-PCMX01 51307195-175处理器模块

型号： SC-PCMX01 51307195-175

品牌： 霍尼韦尔

                                                                产品详情资料：

DCS的选型设计调试

1.系统和控制器的配置要重点考虑可靠性和负荷率(包括冗余度)指标。通讯负荷率控制在合理范围内，控制器的负荷率尽可能均衡，避免“高负荷”问题的发生。

2.系统控制逻辑的分配，不宜过分集中在某个控制器上，主要控制器应采用冗余配置。

3.电源设计合理可靠。注意电源设计的负荷率和电源的冗余配置方式，保证两路独立电源。

4.注重DCS系统接口的可靠性，注意重要接口的接口方式和冗余度。

5.DCS系统接地按厂家要求执行，避免接地问题造成系统大面积故障。应注重考虑系统的抗干扰措施，I/O通道应强调隔离措施。重视电缆质量与屏蔽，重要信号及控制使用计算机通讯屏蔽电缆。

6.根据设备运行特点和各种工况下机组处理紧急故障的要求，配置操作员站和后备手操装置。紧急停机停炉按钮配置，应采用与DCS分开的单独操作回路。

7.对于保护系统，采用多重化信号摄取法。合理使用闭锁条件，使信号回路具有逻辑判断能力。

8.调试期间按照调试大纲、办法，对所有逻辑、回路、工况进行测试，确保各参数设置正确合理。

                          产品英文详情资料：

Selection, design and debugging of DCS

1. The configuration of the system and controller should focus on reliability and load rate (including redundancy) indicators. The communication load rate must be controlled within a reasonable range, and the load rate of the controller should be as balanced as possible to avoid the occurrence of "high load" problems.

2. The allocation of system control logic should not be overly concentrated on a certain controller, and the main controller should adopt redundant configuration.

3. The power supply design must be reasonable and reliable. Pay attention to the load rate of power supply design and the redundant configuration of power supply to ensure two independent power sources.

4. Pay attention to the reliability of DCS system interfaces, and pay attention to the interface methods and redundancy of important interfaces.

5. The grounding of the DCS system shall be carried out according to the manufacturer's requirements to avoid grounding issues causing large-scale system failures. Attention should be paid to considering anti-interference measures of the system, and I/O channels should emphasize isolation measures. Pay attention to cable quality and shielding, and use computer specific communication shielded cables for important signals and controls.

6. According to the operating characteristics of the equipment and the requirements for handling emergency faults of the unit under various working conditions, configure an operator station and backup manual operation device. The emergency shutdown button configuration should adopt a separate operating circuit from DCS.

7. For the protection system, the multiple signal acquisition method is adopted. Reasonably use the blocking conditions to enable the signal circuit to have logical judgment ability.

During the debugging period, all logic, circuits, and working conditions shall be tested according to the debugging outline and methods to ensure that all parameter settings are correct and reasonable.

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