IDEC FS1A Controller - Manual (Page 121)

5-80
Logic functions
This section describes the functions of each logic circuit. The logic functions are separated into
input, logic operation, and output functions in Table 5-1. Select the appropriate logic after
understanding its functionality.
Table 5-1 List of logic functions
Type Function Symbol Description Reference page
Dual channel
direct opening
input
Dual Channel
Direct Opening
This function is for connecting
safety devices with dual channel
direct opening action
mechanisms, such as
emergency stop interlock
switches. 5-82
Dual channel
dependent input
Dual Channel
D epende nt
This function is for connecting
safety devices with a dual
channel dependent action
mechanism, such as an enabling
switch. 5-84
Dual channel
NO/NC input
Dual
Channel
NO /NC
This function is for connecting a
safety device with a dual channel
NO/NC mechanism, such as a
non-contact interlock switch. 5-86
Dual channel
solid state input
Dual Channel
Solid State
This function is for connecting
safety devices with dual channel
solid state outputs (PNP output),
such as safety light curtain or
safety laser scanner. 5-88
Mode select input
Mode
Selector
Sw itch
This function is for connecting
devices with a mode selector
function, such as mode selector
switch. 5-90
Muting input
Muting input
This function is for connecting a
sensor or other input device to
perform muting. 5-92
Monitor input
Single Channel
Monitor
This function is for connecting a
switch or sensor for use as a
start input. 5-94
Input function
External device
monitor input
External Device
Monitor
EDM
This function is for monitoring
external devices controlled by
the SafetyOne. External devices
are diagnosed for errors by
connecting a NC contact, such
as a contactor or safety relay. 5-95