7 - 3                  7 - 3 
MELSEC-Q
7   PROGRAMMING 
 
7.2 For Use in Normal System Configuration 
System configuration used in the program explanation 
 
(1)   System configuration 
 
X/Y0 to X/Y1F
X20 to X2F
Q
C
P
U
Q
D
6
0
P
8
 
G
Q
X
1
0
Power supply module
 
 
(2)   Program conditions 
The program performs the initial setting of the CH1 of the QD60P8-G, then turns 
ON the operating condition setting request flag (Y1), and turns ON the count 
enable (Y18) to start count operation. 
Set the input voltage selection, pulse edge selection, linear counter/ring counter 
selection and input filter setting using the intelligent function module switch of GX 
Developer. (Refer to Section 4.5 for details of setting the intelligent function 
module switch.) 
 
• Input voltage selection  : 12 to 24VDC 
• Pulse edge selection  : Rise edge 
• Linear counter or Ring counter selection  : Linear counter 
• Input filter setting (CH1)  : 30kpps