Up to 10,000 minutes programmable 4-digit LED countdown timer with open collector output. The board display counts down in minutes. The end decimal point flashes every second to indicate countdown is in progress. The board offers 5 operating modes:
The board has an active low open collector transistor output (NPN 100mA, 30V max.). This can be used to drive a buzzer, relay, our 3156 relay board or 3141 delay timer board.
Connections: DC IN, RESET, OUTPUT, STOP and START are brought out to a 10-way header strip for easy connection. START and STOP buttons are also provided on the board.
Custom Firmware Design ServiceIf you would like the timer to function differently please Contact Us with your requirements.
Specifications| Supply | 9...15V dc e.g. Order Code 660.446UK with connector 777.001UK |
| Current | 30 - 50mA max. |
| Inputs | Start / Stop / Reset (Active low - see documentation) |
| Output Type | Open collector NPN transistor, 100mA @ 30V max (see Help Sheet) |
| Time Delay | 1 - 10,000 Minutes |
| Display | 4-digit 7-segment with decimal point, 14mm RED LED |
| Accuracy | +/- 1.8 seconds / hour |
| Settings memory | N/A - settings are lost when power is removed |
| Board Dimensions | ~ 51 x 66 x 12 mm (excluding header pins) |
| Connections | 10 pin SIL header |
| Product Formats | SELF-ASSEMBLY Electronic Kit (KT) or PRE-ASSEMBLED Electronic Module (AS) Product Formats Info |
| Documentation | 3148T4 User Manual |
