Download AL2 Programming Manual

α2 Simple Application Controllers
Function Blocks 6
Setup of the Pulse Width Modulation 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.
B0 0 1 : PWM
Se t u p FB
Ch a n g e No
De l e t e FB
3 ) Press the “OK” Key and enter the function block settings using the “Up and Down” keys.
B0 0 1 : PWM
Pe r i o d
Du t y
4 ) Press the “OK” key with Period highlighted and the user can enter a T and t value using
the “ , , + and -” keys.
B0 0 1 : PWM
Pe r i o d
1 . 0s
T=
0 . 0s
t=
5 ) Press the “OK” key to return to the function block settings screen. Highlight the Duty option
using the “ 0 and ” keys. The Duty can be entered by pressing the “OK” key. A Directset
value, Analog In or FB value can be entered.
B0 0 1 : PWM
D i r e c t Se t
An a l o g I n
FB Va l u e
Press the “ESC” key until the user returns to the function block diagram.
6 - 49