INTRODUCTION
The Crank Cycle timer (DE008) is a small unit intended for use as a starter motor cranking timer in auto start standby alternators.
It is housed in an impact resistant polystyrene case with connections brought out as an eleven pin base to plug into a conventional relay socket.
On application of a 24V DC signal, an internal relay will function for a preset time then release. Up to four cycles may be programmed. A “failed to start” signal will be activated if the input voltage is not removed before the last crank cycle.
The unit must be de-energised externally when the engine comes up to speed.
SPECIFICATION
| Supply voltage: | 24V DC | |
| Relay contacts: | One changeover on crank relay. | |
| One change over on failed to start | ||
| Contact rating: | 24V 4 Amp DC resistive load | |
| Timer: | Adjustable 4 to 20 seconds | |
| Number of cycles: | 1, 2, 3 or 4 externally programmable | |
| On/Off ratio: | fixed at 1:1 | |
| Programming: | Terminals 5, 6 and 7 select number of start attempts | |
| 1 cycle: | No linking required | |
| 2 cycle: | Link T5 to T7 | |
| 3 cycle: | Link T6 to T7 | |
| 4 cycle: | Link T5, T6 and T7 | |
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