13
Connecting separate push buttons (fig. 6.0):
Connect two push buttons with a normal open contact to the points
“+”
and
“-”
, marked SW1 and SW2
respectively. SW2 allows to start the timer while SW1 allows to stop it.
Driving through open collector outputs, e.g. the 15 channel IR receiver K6711 (fig. 7.0):
Use a 24 to 28VAC 50mA transformer to feed the timer (attention: C7 must be short-circuited).
Connect the
“-”
of one of the two push buttons to the
“-”
of the driving circuit.
Connect the open collector outputs of the driving circuits to the
“+”
of SW1 and the
“+”
of SW2.
16. Other connections
Other connections
