Mitsubishi Electronics QD75MH2 Benutzerhandbuch

 
 

 

14 - 6 

MELSEC-Q

 

14   DEDICATED INSTRUCTIONS 

 

(6)  If the PSTRT  instruction is executed in either of the following cases, an error 

"Dedicated instruction error" (error code: 804) will occur and positioning cannot 
be started. 

  • Any value other than 1 to 600, 7000 to 7004, and 9001 to 9004 is set to 

"Starting number" (device: (S)+2) of the control data.  

  • The instruction for a non-existent axis is specified.  

(Example: The PSTRT2 instruction is specified when the QD75MH1 is used.) 

 

[Program examples] 

• The following program executes the positioning start of positioning data No. 1 when 

X100 turns ON. 
Use D30 to D32 as the control data devices of positioning data No. 1, and M32 and 
M33 as the completion devices. 

 

Positioning start program

<Positioning start command pulse>

<Positioning start No. 1 setting>

<Positioning start command hold>

<Positioning start execution>

<Positioning start command storage OFF>

 

 

[Program example for use when dedicated instruction is not used] 

 

Positioning start program (when dedicated instruction is not used)

<Positioning start command pulse>

<Positioning start No. 1 setting>

<Positioning start execution>

<Positioning start signal OFF>

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