Timer on off control external realy

[zenko112]

Hello,

I'd like to make a timer that will control an external relay connected to the RS-232 port or in the future by  NI card.

I've put the initial timer design into a simple image.

In the "cycle" field, we enter percentage values. For example, 60% means that the relay will be switched on for 6 minutes and off for 4 minutes.
The number of cycles, e.g., 10,000.
After entering the cycle value, we press the start button and the system activates the relay and a green indicator light turns on.
After reaching the set cycle of 6 minutes, the system switches off the relay and a red indicator light stays on for 4 minutes.
Fields where put time in % of 10 munutes : 

- CYCLE 

Fields where display values :

- remain time on

- remain time off

- setup time on 

- setup time off

Buttons :

START

STOP

RESET

Please give sample simple program. 

[GerdW]

Hi zenko,

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@zenko112 wrote:

I'd like to make a timer that will control an external relay connected to the RS-232 port or in the future by  NI card.

Please give sample simple program. 

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What have you tried so far and where are you stuck?

(When you want someone else to do your job you should post in the JobOfferings forum and provide a decent payment…)