![]() Better yet: connect unused lines directly to ground. The resistor’s value may range from 2.2 kiloohm to 5 kiloohm.Ĭedrus highly recommends that all lines on Port A are pulled low even if you will not be using all 8 input lines. The same diagram applies for lines A1 to A7. The diagram below illustrates how this is done for line A0 (pin 37). For input, lines must be “pulled low”, that is, connected to ground by a resistor. SuperLab uses Port A for input and Port B for output. These are divided into 3 groups called “ports” and named Port A, Port B, and Port C. The PCI-DIO24 I/O card provides 24 digital input and output lines. Connecting Your Equipment to the I/O Card If you cannot get InstaCal to “see” your board, please refer to the Measurement Computing documentation or their website for assistance. Īt this point, InstaCal should show “Bd# 0 - PCI-DIO24 (pci slot …)”.
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