IDEC FS1A Controller - Manual (Page 346)

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)