Pinouts and functions – AMX NetLinx NXM Series User Manual
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NXC-VAI4 Analog Voltage Control Card
30
NetLinx Cardframe, Control Cards, and NetModules
Pinouts and Functions
NXC-VAI4 Specifications (Cont.)
I/O Status LEDs 1-8:
(two LEDs per channel)
LEDs light to indicate ON
status.
• 4 yellow LED's (one per channel) light to indicate input signal changes
reported to the Master.
• 4 red LED's (one per channel) light to indicate output signal changes.
LED 1: Output #1 (red)
LED 2: Input #1 (yellow)
LED 3: Output #2 (red)
LED 4: Input #2 (yellow)
LED 5: Output #3 (red)
LED 6: Input #3 (yellow)
LED 7: Output #4 (red)
LED 8: Input #4 (yellow)
The card is shipped in "factory-default" mode (i.e. the levels have not been
configured for each channel). The Output (red) LEDs blink in sequence to
indicate that the power-up or limit levels have not been set. The Output LED
for each channel will continue to blink until the channel has been calibrated.
Wiring
Captive-wire connectors.
NXC-VAI4 Pinouts, Signals, and Functions
Pin Function
Pin Function
1
Output #1 (GND)
9
Input #1 (GND)
2
Output #1
10
Input #1
3
Output #2 (GND)
11
Input #2 (GND)
4
Output #2
12
Input #2
5
Output #3 (GND)
13
Input #3 (GND)
6
Output #3
14
Input #3
7
Output #4 (GND)
15
Input #4 (GND)
8
Output #4
16
Input #4
17
+5 V Reference output (GND)
18
+5 V Reference output
19
External Reference input (GND)
20
External Reference input