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GPIO
There are 16 General Purpose Input Output pins for use in various applications. Figure 23 shows the pin configuration for the connector on
the rear of the amplifier. — Table 2 shows the connector pin-out. Figure 24 gives some simple GPIO applications.
Connector Pin
GPIO # and
Function
1
3.3 V
2
GPIO 1
3
GPIO 2
4
GND
5
GPIO 3
6
GPIO 4
7
GND
8
GPIO 5
9
RELAY NO
1
10
RELAY COM
11
RELAY NC
1
12
GND
13
GPIO 6
14
GPIO 7
15
GND
16
GPIO 8
1 Nominal switching capacity is 30 VDC at 2 A for a total of 60 W maximum. The maximum
voltage is 220 VDC if the current is limited to observe the maximum power rating (60 W).
Examples
Button or Contact Closure
GPIO
Ground
TD-001585-01-B
All manuals and user guides at all-guides.com
— Table 2 —
Specifications
100 mA max (power cycle to reset current limiting)
5mA in/out, 3.3V max, 127Ω resistor in series
5mA in/out, 3.3V max, 127Ω resistor in series
Ground
5mA in/out, 3.3V max, 127Ω resistor in series
5mA in/out, 3.3V max, 127Ω resistor in series
Ground
18mA in/out max, 3.3V max, 127Ω resistor in series
Relay Normally Open
Relay Common
1
Relay Normally Closed
Ground
18mA in/out max, 3.3V max, 127Ω resistor in series
18mA in/out max, 3.3V max, 127Ω resistor in series
Ground
18mA in/out max, 3.3V max, 127Ω resistor in series
+3.3 V
GPIO
Analog In
Ground
— Figure 24 —
Potentiometer
10 kΩ
16
1
9
2
10
3
11
4
12
5
13
6
14
7
15
8
16
— Figure 23 —
Q-SYS-Powered LED
GPIO 5-8
Ground
Works for LEDs up to 18 mA.
Current is limited in the GPIO
circuit by a 127Ω resistor in
series.
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