Mitsubishi Electric MELSEC iQ-R Series - Page 233

5 SAFETY APPLICATION CONFIGURATION EXAMPLES
5.2 System to Which Multiple Safety CPUs are Connected
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5
• Timing chart for safety programmable controller (1)
Restart status (SA\D0.0)
Restart status (SA\D0.1)
Start status (SA\D1.0)
Start status (SA\D1.1)
Emergency stop request from the
safety programmable controller (2)
(SA\X100)
Emergency stop request from the
safety programmable controller (3)
(SA\X180)
Emergency stop request to the
safety programmable controller (2)
(SA\Y100)
Emergency stop request to the
safety programmable controller (3)
(SA\Y180)
Stop switch (X102)
Guard unlock output (SA\Y2)
Safety switch (SA\X4)
Safety information (SA\M5)
Electromagnetic contactor output
check (SA\X2)
Electromagnetic contactor output
(SA\Y0)
Guard
opened
Guard
closed
System
powered on
The guard can be opened only
while it is unlocked (SA\Y2 is on).
When the stop switch is
pressed, the guard is unlocked.
(SA\Y2 turns on.)
The guard is locked (SA\Y2 turns off)
when it is closed and the reset switch
is pressed.
Outputs are turned off
due to a CCIEF remote error.
An emergency stop request is received from the
safety programmable controller (2), outputs are
turned off, and an emergency stop request is sent
to the safety programmable controller (3).
Electromagnetic contactor output
(SA\Y1)
Reset switch (X100)
Start switch (X101)
Interlock status (SA\SD1232.0)
Interlock release (SA\SD1240.0)
Interlock status (SA\SD1232.1)
Interlock release (SA\SD1240.1)
CC-Link IE Field Network status
(SA\SD1008.0)
CC-Link IE Field Network status
(SA\SD1008.1)
Outputs are turned off
due to a network error.
Reset switch
pressed
Start switch
pressed
Reset switch
pressed
Reset switch
pressed
Reset switch
pressed
Start switch
pressed
Reset switch
pressed
Start switch
pressed
Reset switch
pressed
Reset switch
pressed
Start switch
pressed
To the safety programmable
controller (2)
To the safety programmable
controller (3)
From the safety programmable
controller (2)
To the safety programmable
controller (3)
Safety
programmable
controller (1) stop
switch pressed
Guard
opened
Guard
closed
Safety
programmable
controller (2) stop
switch pressed
Network error in the
safety programmable
controller (1)