
Vega-MV Router Multiviewer - User Manual
Issue 1 Revision 2
Page 39
© 2017 SAM
MV-NET Card and Rear Module - Slot 0
Vega-MV Unit Hardware 4.5
Example: GPI Inputs
To activate a GPI input connect the GPI pin to a GND pin on the GPI connector.
For an example of how GPI inputs can be used to trigger on-screen tallies, see section 9.4.
Example: Using LEDs on the GPI Outputs
The GPI outputs are open collector drivers. An external 5V dc supply must be used to drive
LEDs or relays.
The Figure 21 shows an example of the wiring needed when an LED is to be driven by each
GPI output. The numbers on the left in the figure are the GPI output numbers and the
pin-numbers for the outputs on the GPIO D-Type connector on the unit’s rear panel.
Pin Number
Signal
Pin Number
Signal
1
GPI-In 1
9
GPI-In 8
2
GPI-In 2
10
GND
3
GPI-In 3
11
GPI-Out 1
4
GPI-In 4
12
GPI-Out 2
5
GND
13
GPI-Out 3
6
GPI-In 5
14
GPI-Out 4
7
GPI-In 6
15
GND
8
GPI-In 7
Table 10
GPI Input/Output Connector Pin Assignments
Figure 21 Wiring external LEDs on the GPI Outputs
Note:
•
Vega-MV GPI outputs are open collector outputs and require external pull-up
resistors of between 10k
Ω
and 100k
Ω
.
•
An external 5V DC power supply is required to drive external equipment such as
LEDs.
150
Ω
150
Ω
150
Ω
150
Ω
+5VDC
GPI Out 1
GPI Out 2
GPI Out 3
GPI Out 4
Pin 11
Pin 12
Pin 13
Pin 14
5V DC External Power Supply
0Vdc
GND
Pin 15
GPI Out 2
Signal
Name
Pin Number