Study notes the first of the eighth week

Source: Internet
Author: User

1. Power off when the timer is not fully charged, and the timer will start from the beginning when power is on again.

2. There are many devices with different functions inside the PLC, in fact, these devices are composed of electronic circuits and memory. In order to separate them from the usual hardware, these devices are commonly referred to as soft devices or programming elements.

3. Basic instructions

LD FETCH INSTRUCTION

LDI Take Counter-instructions

Out output Instruction

And and instructions

ANI and non-directive

or or Directives

Ori or non-directive

Study notes the first of the eighth week

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