IDEC FS1A Controller - Manual (Page 322)

LOGIC
5-274
Functions (Logic 106)
●Safety inputs: X0 to X11
Safety inputs are used to diagnose the status of connected safety devices, such as emergency
stop switches, and interlock switches.
Intended inputs
(Terminal names) Function
Function name Dual channel safety input
Symbol
Dual Channel Safety
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 (0.1s). The function
does not use drive terminals (T0 to
T11).
Safety input 1
(X0, X1)
Safety input 2
(X2, X3)
Safety input 3
(X4, X5)
Safety input 4
(X6, X7)
Safety input 5
(X10, X11)
Detail information Logic functions (5-317)
Warning
For connected control devices, refer to “SAFETY PRECAUTIONS”.
Note. If safety inputs are not used, connect the receive terminals to a 24V DC power supply (V+). If
they are not connected, the SafetyOne does not turn ON the safety outputs.