DE008

DE008 – Crank Cycle Timer

The Crank Cycle timer (DE008) is a small unit intended for use as a starter motor cranking timer in auto start standby alternators.

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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