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5 SAFETY APPLICATION CONFIGURATION EXAMPLES
5.2 System to Which Multiple Safety CPUs are Connected
*1 Adjust the values of input response time, input dark test pulse off time, and output dark test pulse off time according to the installation
environment and wiring length.
*2 Set double input discrepancy detection time to 100ms for mechanical switches and 20ms for sensor inputs as standard.
*3 For details on setting range, refer to the following.
CC-Link IE Field Network Remote I/O Module (With Safety Functions) User's Manual
*4 Always set the parameters like this for this case example.
■Safety devices and safety labels to be used
To create a safety program, use the safety devices and standard/safety shared labels listed in the table below.
Ext. module 1_Output dark test pulse OFF time Y3 to
Y7
*1
1ms 1ms 1ms
Ext. module 1_Number of pulse output for output dark
test
1 time 1 time 1 time
Safety programmable
controller
Module External device Safety device/safety label
Safety programmable
controller (1)
SR_M2IO1 Safety switch SA\X4 or SA\X5
Release of interlock to safety switch SA\Y2
Contactor SA\Y0 and SA\Y1
Contactor (check for welding) SA\X2 or SA\X3
R_M2IO2 Reset switch reset_in
Start switch start_in
Stop switch stop_in
CCIEF programmable controller
master (1-0)
Emergency stop request from safety programmable
controller (2)
SA\X100
Emergency stop request from safety programmable
controller (3)
SA\X180
Emergency stop request to safety programmable
controller (2)
SA\Y100
Emergency stop request to safety programmable
controller (3)
SA\Y180
Safety programmable
controller (2)
SR_M3IO1 Safety switch SA\X4 or SA\X5
Release of interlock to safety switch SA\Y2
Contactor SA\Y0 and SA\Y1
Contactor (check for welding) SA\X2 or SA\X3
R_M3IO2 Reset switch reset_in
Start switch start_in
Stop switch stop_in
CCIEF programmable controller
local (1-1)
Emergency stop request from safety programmable
controller (1)
SA\X100
Emergency stop request to safety programmable
controller (1)
SA\Y100
Safety programmable
controller (3)
SR_M4IO1 Safety switch SA\X4 or SA\X5
Release of interlock to safety switch SA\Y2
Contactor SA\Y0 and SA\Y1
Contactor (check for welding) SA\X2 or SA\X3
R_M4IO2 Reset switch reset_in
Start switch start_in
Stop switch stop_in
CCIEF programmable controller
local (1-2)
Emergency stop request from safety programmable
controller (1)
SA\X100
Emergency stop request to safety programmable
controller (1)
SA\Y100
Item Setting details
*3
SR_M2IO1 SR_M3IO1 SR_M4IO1