Relay Timer R4X is programmable timer software to control relay manually and automatically. It works with 4-channel relay controller boards of National Control Devices.
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To control your relay with Relay Timer R4X, you need connect your relay board with your computer and Set Configuration in Relay Timer R4X to make sure the connection is available. You need to select the type of your relay board and the connection way.
The status of the relay can be customized except only on or off during the setting time.
For example, relay can be on 10 minutes, off 5 minutes within one hour, and on 20 minutes and off 10 minutes within the other one hour. This can be set as steps below.
Step1. Click 
button on the Relay Control Panel to open Relay Setting dialog.
Step 2. Click Add button to open Schedule Setting dialog. Edit the Schedule Name, set Schedule Time(2 hours), select Recurrence Pattern and Range.
Step 3. Click Customize Action or the edit button beside it to open Customize Action dialog.
Step 4. Click Add button to open Add Action dialog.
Set Turn On 10 minutes, Turn Off 5 minutes and Loop Count 4.
Click OK to return Customize Action dialog. The action will be shown in the list.
Step 5. Click Add button to open Add Action dialog again.
Set Turn On 20 minutes, Turn Off 10 minutes and Loop Count 2.
Click OK to return Customize Action dialog. The action will also be shown in the list.
Click OK button to return Schedule Setting dialog and then return to Relay Setting dialog.
Click OK to finish relay setting.
The relay will be turned on/off automatically according to the customized setting.