Owner manual
LOGIC 
5-84 
●Start inputs: X16 and X17 
Start inputs are used to control the start of safety outputs.   
Intended inputs 
(Terminal names) 
Target safety inputs 
(Terminal names) 
Function 
Function name  Monitor input 
Symbol 
Single Channel
Monitor
Description of 
operation 
Safety outputs are started, when 
all target safety inputs are in the 
safe state and this function is in 
the ON state. This function is 
turned ON by 0.1s or more ON 
operation. 
Start input 1 
(X16) 
Safety input 1 
(X0, X1) 
Safety input 2 
(X2, X3) 
Safety input 3 
(X4-T4, X5-T5) 
Safety input 4 
(X6-T6, X7-T7) 
Detail information  Logic functions (5-325) 
Intended inputs 
(Terminal names) 
Target safety 
inputs 
(Terminal 
names) 
Function 
Function name Monitor input + Control start 
Symbol 
Single Channel
Monitor
+
Control
Start
Control
Description of 
operation 
Safety outputs are started, when this function 
becomes ON after all intended safety inputs are 
in the safe state. This function is turned ON by 
0.1s to 5s ON operation. 
Start input 2 
(X17) 
Safety input 1 
(X0, X1) 
Safety input 2 
(X2, X3) 
Safety input 3 
(X4-T4, X5-T5) 
Safety input 4 
(X6-T6, X7-T7) 
Detail 
information 
Logic functions (5-325, 330) 
Note. If both of X16 and X17 are turned ON, the SafetyOne will detect an error. As a result, the error 
LED displays “3” and the state changes to the Stop state. Use only X16 or X17. 










