Mitsubishi Electric MELSEC iQ-R Series User Manual page 208

INFO LED status (X4)
This signal turns ON when the INFO LED turns ON.
For the factor that the INFO LED turns ON, refer to the following:
Page 159 Module information list
It turns OFF when turning 'Clear INFO LED request' (Y2) ON while the INFO LED is ON.
In addition, it turns OFF when switching the status of a CPU module from STOP to RUN.
'Clear INFO LED request'(Y2)
'INFO LED status '(X4)
Module stop error status (X5)
This signal is ON while a module stop error is occurring.
Module continuation error status (X6)
This signal is ON while a module continuation error is occurring.
It turns OFF when turning 'Error clear request' (Y3) ON.
6 RECORDER MODULE (DETAILED SPECIFICATIONS)
206
6.3 Input/Output Signals
(OFF) (ON) (OFF)