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MELSEC-Q

5   DATA USED FOR POSITIONING CONTROL

5.1.8 Types and roles of control data

Operation of the positioning system is achieved through the execution of necessary

controls.  (Data required for controls are given through the default values when the

power is switched ON, which can be modified as required by the sequence program.)

Controls are performed over system data or machine operation.

•

 Controlling the system data :

Performs write/initialization, etc. of the QD75 "setting data". (through the system

control data

Cd.1

, 

Cd.2

, 

 

 Cd.41

 

and

 

 Cd.42

 

 

)

•

 Controlling the operation :

Setting operation parameters, changing speed during operation, interrupting or

restarting operation (through the axis control data

Cd.3

to

Cd.40

)

[1]   Controlling the system data

 Setting and resetting the setting data

Control details

Controlled data item

Write setting data from buffer memory to flash ROM

Cd.1

Flash ROM write request

Reset (initialize) parameters

Cd.2

Parameter initialization request