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5.2.5.5 - BitStateRead: IOType=10 [U3 Datasheet]

Table 5.2.5.5-1. BitStateRead Command Response

BitStateRead, 2 Command Bytes: 
0 IOType = 10
1 Bits 0-4: IONumber
   
1 Response Byte: 
0 Bit 0: State

This IOType reads the state of a single bit of digital I/O. The direction setting of the IO will not be changed. When the digital IO is set to output the actual state of the line is read. Only lines configured as digital (not analog) return valid readings.

  • IO Number: 0-7=FIO, 8-15=EIO, or 16-19=CIO.
  • State: 1=High, 0=Low.

LabJackPython example session

Automatically extracted from u3.py. Debugging turned on to show the bytes sent and received.