Biamp AUTOTWO - Manual (Page 7)

5
LOGIC OUTPUTS
Logic/Relay circuit
+12 Volts DC
Power Supply
− +
Logic Output #1
1N4004
Diode
Contacts
Coil
common
normally closed
normally open
autoTWO
Pin #1
Pin #9
12V Relay
Logic Outputs controlling indicators
autoTWO +12 Volts DC
Power Supply
− +
Logic Output #1
Pin #1
Pin #9
LED
Indicator Panel
1.2k ohms
Channel 1 ‘automatic’ (logic output) or ‘manual’ (external switch) override of Channels 2~8
expansion logic outputs
1
9
ground
6 3
external
switch