Owner manual
LOGIC 
5-298 
Functions (Logic 108) 
●Safety inputs: X0 to X11 (T0, T2 to T7) 
Safety inputs are used to diagnose the status of connected safety devices, such as emergency 
stop switches, interlock switches, and mode select switches. 
Intended inputs   
(Terminal names) 
Function 
Function name  Mode select input 
Symbol 
Mode Select
Description of operation  This function is for connecting devices 
with a mode selector function, such as 
mode selector switch. This function 
diagnoses time interval of status 
transition between each input (0.5s). 
Safety input 1 
(X0/X1-T0) 
Detail information  Logic functions (5-319) 
Intended inputs   
(Terminal names) 
Function 
Function name  Dual channel dependent input 
Symbol 
Dual Channel
D
epende nt
Description of operation  This function diagnoses the status of 
connected safety devices. This 
function does not diagnose the time 
interval of status transition between 
each input of duplicated inputs. 
Safety input 2 
(X2-T2, X3-T3) 
Detail information  Logic functions (5-313) 
Intended inputs 
(Terminal names) 
Function 
Function name  Dual channel direct opening input 
Symbol 
Dual Channel
Direct Opening
Description of operation  This function diagnoses the status of 
connected safety devices. This 
function diagnoses the time interval of 
status transition between each input of 
duplicated inputs (0.5s). 
Safety input 3 
(X4-T4, X5-T5) 
Safety input 4 
(X6-T6, X7-T7) 
Detail information  Logic functions (5-311) 










