Chapter 3 Before positioning 
 
3- 56 
(b) In case of XEC 
Variables 
Device area 
Status 
Axis X  Axis Y 
Address   Properties  Address  Properties 
Bias speed  %KD225  Double word %KD245 Double word Sets bias speed.     
Speed limit  %KD226  Double word %KD246 Double word Sets maximum speed limit.     
Acceleration time 1  %KW454  Word  %KW494
Word 
Sets acceleration time 1.     
Deceleration time 1  %KW455 
Word 
%KW495
Word 
Sets deceleration time 1.   
Acceleration time 2  %KW456 
Word 
%KW496
Word 
Sets acceleration time 2. 
Deceleration time 2  %KW457 
Word 
%KW497
Word 
Sets deceleration time 2. 
Acceleration time 3  %KW458 
Word 
%KW498
Word 
Sets acceleration time 3. 
Deceleration time 3  %KW459 
Word 
%KW499
Word 
Sets deceleration time 3. 
Acceleration time 4  %KW460 
Word 
%KW500
Word 
Sets acceleration time 4. 
Deceleration time 4  %KW461 
Word 
%KW501
Word 
Sets deceleration time 1 
Upper limit of 
software 
%KD231  Double word %KD251 Double word
 Sets upper limit value of 
software. 
Lower limit of 
software 
%KD232  Double word %KD252 Double word
Sets lower limit value of 
software. 
Backlash correction    %KW466  Word  %KW506 Word 
 Sets backlash correction 
value.  
Origin address  %KD234 
Double word
%KD254
Double word
Sets origin address for origin 
return.   
High speed of origin 
return  
%KD235 
Double word
%KD255
Double word
Sets high speed for origin 
return.    
Low speed of origin 
return 
%KD236 
Double word
%KD256
Double word
Sets low speed for origin return. 
cceleration time for 
origin return 
%KW475 
Word 
%KW515
Word 
Sets acceleration time for origin 
return 
Deceleration time for 
origin return 
%KW476 
Word 
%KW516
Word 
Sets deceleration time for origin 
return 
Dwell time for origin 
return 
%KW477 
Word 
%KW517
Word 
Sets dwell time for origin return
Jog high speed    %KD239 
Double word
%KD259
Double word
Sets high speed for jog 
operation.   
Jog low speed  %KD240 
Double word
%KD260
Double word
Sets low speed for jog 
operation 
Jog acceleration time  %KW483  Word  %KW523 Word 
Sets acceleration time for jog 
operation 
Jog deceleration time  %KW484  Word  %KW524 Word 
Sets deceleration time for jog 
operation 
Inching speed  %KW485  Word  %KW525 Word 
Sets operation speed for 
inching operation.