Delta RMC101 - Manual (Page 821)

Appendix C: Parameter Field Reference
C-51
C.4.3 Configuration Bits - Quadrature/Stepper Specific
For quadrature axes, these bits are used to select the active states of four inputs and to define
the use of the Home Input status bit in the Status word.
Fault Input Active State - Bit 15
This bit determines the active state of the Fault Input. The active state of this input indicates that
a fault has occurred. The Encoder Error status bit is set when the Fault input is active.