Xinje XL Series - Page 389

388
Component explanation:
PLC
component
Control explanation
Mark
X0
Start button, X0 is ON when the button is pressed
ET0
Precise timer
Y0
Control the liquid valve, Y0 ON when the valve
opened, Y0 OFF when the valve closed
Program:
Program explanation:
1. When X0 is ON, the liquid valve Y0 and precise timer ET0 open at once.
2. Shut down the liquid valve Y0 and precise timer ET0 when the time arrived.
Example 2
The precise timer interruption can produce the following pulse wave. The Y2 ON time is
500ms, the pulse period is 1000ms.
Component explanation:
PLC
component
Control explanation
Mark
X0
Start button, X0 is ON when button is pressed
Y2
Pulse output terminal
M0
Internal auxiliary coil
ET0
Precise timer
Program:
tudonghoatoancau.com