Programming Flow; Precautions - Mitsubishi Electric MELSEC Q Series User Manual

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Programming Flow

The following shows the user program flow that involves these functions.

(1) Clock setting

Do not perform clock setting in event notification waiting status (where QBF_WaitEvent function and

QBF_WaitUnitEvent function are already executed).

CHAPTER 20 PROGRAMMING OF C CONTROLLER MODULE DEDICATED FUNCTION

Task startup

Perform read-out of the C Controller module status, LED control,

and access to resources such as clock and battery backup RAM.

Task completion