Velleman projects K8035 Assembly instructions - Manual (Page 11)

11
Counting pulses can be applied to the unit in two different ways :
1. + 3V to 12V pulses with respect to ground.
2. Use the + 5V connection for push buttons or relay contacts when there is no power supply from an exter-
nal source.
Press “Reset” button briefly to reset the readout. “0000”.
Press the “UP” button to increase the actual value with one.
Press the “DOWN” button to decreases the actual value with one.
Setting the Pre-set value:
It is possible to set a number which will continuously be compared with the content of the counter. If both are
equal, then the output (Equal OUT) is activated.
• Press Set/Run (set briefly appears).
• Press Up or Down to set the value.
• Press Set/Run to store the value (Run appears).
Counter settings :
The counter can be used for decade or modulo 60 (clock) counting, an internal oscillator can be provided for use in
modulo 60-mode
Operation