Whadda WMT141 (Velleman VM141) Start/Stop timer module with relay output. Ideal for activating electrical devices for a set period of time. User adjustable on time from 1 Sec to 60 hrs.
A potentiometer is used to set the relay ON time in a choice of 4 selectable time scales:
Onboard START and STOP (reset) control buttons plus inputs for your own external buttons or contact closures. 3-LED rotating display indicates timer is active and counting down.
START activates the timer and the relay turns on. The relay turns off at the end of the countdown period, the timer is reset and ready to accept a new START input.
The timer is non-retriggerable so the timing cycle will complete regardless of further START signals or if START remains closed after activation.
Relay can be turned off and the timer reset at any time using STOP (or by removing the power supply).
Optional "Power-On" mode: If START is closed on power-up, the relay activates and countdown commences immediately. Relay turns off at the end of the countdown period. Power must be removed and reapplied to restart timer (or START opened and closed).Features
|< 15mA Standby
< 50mA Relay Active
|12Vdc / 100mA (e.g. Order Code 660.446UK or CFE103)
|1 second - 60 hours (in 4 time bases)
|1 x SPDT Relay
|24Vac/dc, 3A max.
|NO, NC, C (Relay FAQ)
|70 x 45 x 20mm / 2.8 x 1.8 x 0.8"
|PRE-ASSEMBLED Electronic Module
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