Hardware manual – ACTi D71A User Manual
Page 30
Hardware Manual
Press and hold the orange tab as you insert the wire through the pin slot, then release the orange
tab to secure the wire.
To connect digital input / output devices (DI/DO), map the pins to one of the pin combinations
below:
Device
Pin
Mapping Instructions
Digital Output
(DO)
1
DIO PW
Connect the wires of the output device to
DIO
PW
(Pin 1) and
DO
(Pin 3).
3
DO
Digital Input
(DI)
2
DIO GND
Connect the wires of the input device to
DIO
GND
(Pin 2) and
DI
(Pin 4).
4
DI
The table below shows the DI/DO connection specifications:
Device
DI
Connection design
TTL - compatible logic levels
Voltage
To trigger (low)
Logic level 0: 0V ~ 0.4V
Normal (high)
Logic level 1: 3.1V ~ 30V
Current
10mA ~ 100mA
DO
Connection design
Transistor (Open Collector)
Voltage & Current
< 24V DC, < 50mA
4
3
2
1
For Audio Use