Flag of the executing process S 
Current segment(No. n segment) 
Current segment(No. n segment) 
Current segment(No. n segment) 
Current segment(No. n segment) 
Current segment(No. n segment) 
Current segment(No. n segment) 
Current segment(No. n segment) 
Current segment(No. n segment) 
Current segment(No. n segment) 
Current segment(No. n segment) 
Executing instruction of BLOCK1 
The value will be used when BLOCK monitors 
Executing instruction of BLOCK2 
The value will be used when BLOCK monitors 
Executing instruction of BLOCK3 
The value will be used when BLOCK monitors 
Executing instruction of BLOCK4 
The value will be used when BLOCK monitors 
Executing instruction of BLOCK5 
The value will be used when BLOCK monitors 
Executing instruction of BLOCK6 
The value will be used when BLOCK monitors 
Executing instruction of BLOCK97 
The value will be used when BLOCK monitors 
High Speed Counting(SD100-SD109) 
Sequence Function Block(SD300-SD399)