National Instruments NI-9477, Руководство по началу работы

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Table 1. NI 9477 Signal Descriptions
Signal Description
COM Common reference connection
DO Digital output signal connection
NC No connection
Connecting Digital Devices
You can connect a variety of industrial devices, such as solenoids,
motors, actuators, relays, and lamps to the NI 9477. You must
connect an external power supply to the NI 9477. The power
supply provides the current for the output channels.
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