channel relay output / isolator input board provides relay output
function and isolator input function. The relay output part provides 8
Single Pole Double Throw (SPDT) relays to drive 8 digital output lines.
Each relay channel can be used to control ON/OFF of external devices,
to drive external high power relays, to activate
alarms...etc. There are 8 LED indicators correspond to 8 relays, when
relay is energized, the corresponding LED is light. The +12V power
source is user selectable from internal PC bus or external power
input part provides 8 Photo isolated Digital Input Channel, which
allow the input signals to be completely floated and
prevent the ground loop. There are 8 LED indicators corresponds to
8 input channels, when the input channel is activated at high
stat, the corresponding LED is light. The power source is user
selectable from internal PC bus or external power supplier.