Parker iqan-mc3 - Directional Frequency Input; Frequency Input

53
Failure modes
Appendix B
Instruction book, IQAN-MC3
Frequency input
Directional frequency input
Failure mode Detected Comment
FIN open Frequency 0 **
FIN short circuit to +BAT Frequency 0 **
FIN short circuit to signal > high trigger
level *
Frequency 0 **
FIN short circuit to signal within low to
high trigger level range *
Undefined **
FIN short circuit to signal < low trigger
level *
Frequency 0
FIN short circuit to -BAT Frequency 0 **
Failure mode Detected Comment
DFIN open Frequency 0 **
DFIN short circuit to +BAT Frequency 0 **
DFIN short circuit to signal > high trigger
level *
Frequency 0 **
DFIN short circuit to signal within low to
high trigger level range *
Undefined **
DFIN short circuit to signal < low trigger
level *
Frequency 0
DFIN short circuit to -BAT Frequency 0 **