Basler Pioneer User Manual page 186

I/O Control
the state of the associated line is currently low. If a bit is 1, it indicates that the state of the associated
line is current high.
Indicates output line 4 state
Indicates output line 3 state
Indicates output line 2 state
Indicates input line 2 state
Indicates output line 1 state Indicates input line 1 state
Fig. 44: Line Status All Parameter Bits
176 Basler pioneer