Windshield wiper interval relay
The windshield wiper interval relay can be used to switch the wiper system of a vehicle on and off in a clocked manner.
If a voltage is applied to terminal J, the clocked activation of the relay is started. If a voltage is applied to terminal 86, the relay is energized permanently.
Terminal 15 is connected to 12 V and terminal 31 to ground.
Adjustable parameters
| Designation | Range | Default value |
|---|---|---|
| Frequency | 0.01 ... 10 Hz | 0.2 |
| Rated voltage | 0.1 ... 400 V | 12 |
| Rated power | 0.1 ... 10000 W | 1 |
Failure models
| Failure model | Description |
|---|---|
| Relay does not pick up | The contacts cannot be actuated due to a mechanical defect. |
| Relay picked up permanently | The contacts are being actuated permanently due to a mechanical defect. |
| Faulty frequency | Faulty frequency |
| Designation | Range | Default value |
|---|---|---|
| Frequency | 0.01 ... 10 Hz | 1 |