Soundcraft Vi1™ User Guide Issue 0810
Page 16 - 4
Inputs
Control inputs (GPI Xa/b) are completely independent and electrically isolated. They may be used either
with the in5 VDC supply voltage, or with external voltages of 5 to 24 VDC, regardless of the polarity.
Total current supplied by all +5 VDC pins of one card must not exceed 600 mA.
Outputs
Control outputs (GPO Xa/b) are completely independent, electrically-isolated relay contacts, closed if
active. Contact rating is 0.5 A for 125 VAC, 1 A for 30 VDC, or 0.3 A for 110 VDC. The +5 VDC supply
voltage or the ground (GND) terminals, together with the relay contacts, may be used to generate an
output signal. Total current supplied by all +5 VDC pins of one card must not exceed 600 mA.
For general-purpose applications requiring total electrical isolation, the GPIO card provides electrically-
isolated opto-coupler inputs with integrated current sink (5 to 24 VDC) and electrically isolated outputs
using SPST relay contacts.
5 VDC and Gnd supply pins are provided.
Inputs and outputs are on standard D-type connectors (female).
HARDWARE
Schematic Diagram
Содержание Vi1
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