OMRON C500-PS221||C500-PS221

OMRON C500-PS221
OMRON C500-PS221
OMRON C500-PS221

（ 1 ）深入了解和分析被控对象的工艺条件和控制要求

a ．被控对象就是受控的机械、电气设备、生产线或生产过程。

b ．控制要求主要指控制的基本方式、应完成的动作、自动工作循环的组成、必要的保护和联锁等。对较复杂的控制系统，还可将控制任务分成几个部分，这种可化繁为简，有利于编程和调试。

（ 2 ）确定 I/O 设备

根据被控对象对 PLC 控制系统的功能要求，确定系统所需的用户输入、输出设备。常用的输入设备有按钮、选择开关、行程开关、传感器等，常用的输出设备有继电器、接触器、指示灯、电磁阀等。

Bosch 1070075324-102 E24V Input card board module *NEW*

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Meter Master WTD-020-J AC Watt Transducer TM0VW/00 120V Weschler Yokogawa

Multilin 269PLUS-100P-12?0 Motor Management Relay 120VAC

Technifor CN1-17 Mem2 ELE02/203 Memory Card

Saftronics EZ6 240 Soft Start Motor Starter Controller AA1021-113

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