3. Timer Design Examples 3.16 Interesting Fountain Y0 X0 Control Purpose: z Keeping the Running indicator in ON state when the Start button is pressed. z Enabling the following devices to start in order after Running indicator is ON for 2 sec: middle sprayer light > middle sprayer valve > surrounding lights > surrounding sprayer valves. Each of them will be ON for 2 sec. Devices: Control Program: X0 X0 Y0 Running indicator of the fountain ZRST Y1 Y4 Y0 Y1 Y2 Y3 Y4 K20 T0 TMR T0 The Running indicator works for 2 sec. SET Y1 T4 DVP-PLC Application Examples 3-27 Device Function X0 X0 = ON when the Start button of the fountain is pressed. T0 2 sec timer. Time base: 100ms T1 2 sec timer.
Time base: 100ms T2 2 sec timer. Time base: 100ms T3 2 sec timer. Time base: 100ms T4 2 sec timer. Time base: 100ms Y0 Running indicator of the fountain Y1 Middle sprayer light Y2 Middle sprayer valve Y3 Surrounding lights Y4 Surrounding sprayer valves