National Instruments NI 9516 Operating Instructions And Specifications - Note
NI 9516 Operating Instructions and Specifications
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© National Instruments
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Encoder Active
The Encoder Active LED (green) has three states for encoder and
Vsup status.
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Off—The required power supply (Vsup) is not connected. You
must connect a power supply to receive encoder pulses.
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Flashing—The power supply (Vsup) is connected and the
module is receiving encoder pulses.
Note
The encoder LED flashes when pulses are received
on either Encoder 0 or Encoder 1. The LED flash rate does
not correspond to the rate at which the NI 9516 receives
encoder pulses.
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Lit—The power supply (Vsup) is connected but the module is
not receiving encoder pulses.
Limit Active
The Limit Active LED (yellow) has two states to display the status
of the limits and home input.
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Off—The power supply (Vsup) is not connected, or both the
limits and home input are not active.