PIC18F14K22 micro controller
2 x half bridge drivers for latching contactors 1 x temperature sensor 1 x analog input 2 x switch inputs 2 x LED outputs 2 x onboard DIP switch
The microcontroller acts as a I2C slave on the DCSWC bus.
| Pin | Function | Note |
|---|---|---|
| 1 | CONTACTOR_A_A | LATCHING CONTACTOR A RED WIRE |
| 2 | CONTACTOR_A_B | LATCHING CONTACTOR A BLACK WIRE |
| 3 | CONTACTOR_B_A | LATCHING CONTACTOR B RED WIRE |
| 4 | CONTACTOR_B_B | LATCHING CONTACTOR B BLACK WIRE |
| 5 | LED_A | IN PARALLEL WITH ONBOARD LED |
| 6 | LED_B | IN PARALLEL WITH ONBOARD LED |
| 7 | OVERRIDE_A | EXTERNAL OVERRIDE BUTTON, IN PARALLEL WITH ONBOARD BUTTON |
| 8 | OVERRIDE_B | EXTERNAL OVERRIDE BUTTON, IN PARALLEL WITH ONBOARD BUTTON |