Using Your Own Screw Terminal Panel
103
Digital Outputs
If you are using the high drive capability of any of the PCI boards, ensure that the load is
returned to the digital ground provided in the connector next to the outputs.
If just eight of the digital outputs are switching 16 mA per output, then 128 mA of current
flows. To minimize problems with ringing, loading, and EMI, a 22
Ω
resistor is used in series
with all digital outputs. You must consider this 22
Ω
resistor if you are matching cable
impedance to the far end.
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Summary of Contents for DT330 Series
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