© Sierra Radio Systems
Sierra Radio DCN
Device Control Network
DCN overview doc
Chassis Rear View
From left to right: temperature probe jack, RF coupler jack, 2x digital inputs, 2x analog voltage inputs, external AC relay control port, 13.8 VDC power in & out, DCN network jack, 12v (7-
Along the top you can see the socket for an Xbee RF data module, speaker, LEDs, slave CPU and LCD jack.
In the middle from left to right: 8 bit DIP switch for setting device network address and mode, main CPU, logic, DC power relay, current sensor and power supply.
Along the bottom you see the opto-
In this view you see the standard orange 10A DC power relay. To the left of the orange relay is a footprint for a larger 30 relay. When installed, the PCB traces are rated to handle 20 amps. With additional wire soldered in place, the relay can handle 30 amps.
Station Controller Manual