Functions (logic 12c) – IDEC FS1A Controller User Manual
Page 156

LOGIC
5-108
Functions (Logic 12C)
●Safety inputs: X0 to X13 (T0, T1, T4, T5, and T10 to T13)
Safety inputs are used to diagnose the status of connected safety devices, such as emergency stop
switches.
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 1
(X0-T0, X1-T1)
Safety input 3
(X4-T4, X5-T5)
Safety input 5
(X10-T10, X11-T11)
Safety input 6
(X12-T12, X13-T13)
Detail information
Logic functions (5-311)
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 (T2, T3, T6
and T7).
Safety input 2
(X2, X3)
Safety input 4
(X6, X7)
Detail information
Logic functions (5-317)