α2
Simple Application Controllers
Function Blocks 6
6 - 26
2 ) Counter Operation of input pin U, input pin D, input C, input pit P, current value and output
Setup of the Up/Down Counter Function Block directly from the
α2 Series Controller
1 ) Allocate the input pin to be used for the function block.
2 ) Press the “OK” key with the cursor in the function block. The function block edit screen is
displayed as shown.
3 ) Press the “OK” Key and enter the Up/Down counter function block settings using the “+, -,
and ” keys. The Direct Set of the count s ettings can be entered.
4 ) Press the “OK” Key and an Analog In function block value can be entered.
5 ) Press the “OK” key and using the “ESC” key return to the function block edit screen.
Input pin U
Input pin D
Current value of
up-down counter
0
1
2
-3
-2
-4
-5
Set value (-4)
Output
ON OFF
Input pin C
Input pin P
1
2
0
-4
-6
-7
-8
-4
-5
0
B001 : UD
Change No
De l e t e FB
Se t up FB
Di re
B001 : UD
N= 0
n= 0
ctSet
Di re
B001 : UD
ctSet
Ana l og I n
FB Va l ue