
Standard “Cyclic” Timer (CT)
Code: CT
TECHNICAL FEATURES
* Mode "A" Giving Independent “On” And “Off” Time Cycles
* Mode “B” Giving Fixed Cycle “On” and “Off” Times With Variable Mark-Space Ratios
* Two Singe Pole Changeover Relays
OPERATIONAL FEATURES
On application of continuous supply voltage, the ‘Power’ and ‘Relay’ LED's illuminate, the output relay operates and the ‘ON’ timing circuit is initiated. At the end of the ‘ON’ period the output relay releases, the ‘Relay’ LED is extinguished and the ‘OFF’ period is initiated. At the end of the ‘OFF’ period the output relay is energised again, the ‘Relay’ LED illuminates and the ‘ON’ timing circuit is re-initiated. The cyclic action will continue until the supply voltage is removed. The CT is available in two distinct MODES: - MODE A: Each of the two time periods is independently controlled. MODE B: The overall period (i.e. One complete cycle period of ‘ON’ plus ‘OFF’) is fixed during manufacture, but the mark-space ratio is controlled by one potentiometer.

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