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产品展示 》 ABB 》 DSDP150模块备件使用流程

DSDP150模块备件使用流程

型号:DSDP150

联系人:肖经理
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应遵守梯形图语言中的语法规定设置中间单元在梯形图中,若多个线圈都受某一触点串并联电路的控制,为简化电路,在梯形图中可设置用该电路控制的辅助继电器,类似于继电器电路中的中间继电器。分离交织在一起的电路 设计梯形图时以线圈为单位,分别考虑继电器电路图中每个线圈受到那些触点和电路的控制,然后画出相应的等效梯形图电常闭触点提供的输入信号的处理设计输入电路时,应尽量采用常开触点,如果只能用常闭触点,梯形图中对应触点的常开/常闭类型应与继电器电路相反。时间继电器的瞬动触点的处理对于有瞬动触点的时间继电器,可以在梯形图中对应的定时器的线圈两端并联辅助继电器,后者的触点相当于时间继电器的瞬动触点。断电延时的时间继电器的处理用通电后延时的定时器来实现断电延时功能。外部联锁电路的设计在梯形图中设置对应的输出继电器的线圈串联的常闭触点组成的软件互锁外,还应在PLC外部设置硬件互锁电路。热继电器过载信号的处理
DSDP150模块备件使用流程 DSDP150模块备件使用流程
The intermediate unit shall be set according to the syntax provisions in the ladder diagram language. In the ladder diagram, if multiple coils are controlled by a series parallel circuit of a contact, in order to simplify the circuit, the auxiliary relay controlled by this circuit can be set in the ladder diagram, which is similar to the intermediate relay in the relay circuit. When designing the ladder diagram of separated and intertwined circuits, take the coil as the unit, respectively consider which contacts and circuits control each coil in the relay circuit diagram, and then draw the corresponding equivalent ladder diagram. When designing the input circuit, the normally open contact should be used as far as possible. If only the normally closed contact can be used, the normally open / normally closed type of the corresponding contact in the ladder diagram should be opposite to the relay circuit. Processing of instantaneous contact of time relay for time relay with instantaneous contact, the auxiliary relay can be paralleled at both ends of the coil of the corresponding timer in the ladder diagram, and the contact of the latter is equivalent to the instantaneous contact of time relay. The processing of the time relay of power-off delay uses the timer of power-on delay to realize the function of power-off delay. For the design of external interlocking circuit, in addition to the software interlocking composed of normally closed contacts connected in series with the coil of the corresponding output relay in the ladder diagram, the hardware interlocking circuit should also be set outside the PLC. Processing of overload signal of thermal relay

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