Mitsubishi Electric MELSEC iQ-R Series Safety Manual page 174

Example of standard/safety shared label area capacity settings
Assign standard input reset signal (X100), start signal (X101), and stop signal (X102) to standard/safety shared label to
deliver to safety program. Receive safety information data with the standard/safety shared label in the safety program.
Perform standard/safety shared label setting for all safety programmable controllers (1) to (3). Right-click [Navigation window]
 [Label]  [Global Label] to select [Add New Data], and set standard/safety shared label as following. Define standard/
safety shared label as following.
Window
Displayed items
Label name
reset_in
start_in
stop_in
safe_state
Assign reset signals (X100), start signals (X101), and stop signals (X102) to standard/safety shared label for standard
program as shown below. Use data of the standard/safety shared label (safe_state) assigned as a safety state signal in the
safety program to interlock a part of the program. These methods are used when desiring to start operation after completing
safety check using the safety control. The diagram does not show specific example of the programs to establish interlocking
with the safety state signals. Set these standard program execution type to scan execution type.
5 SAFETY APPLICATION CONFIGURATION EXAMPLES
172
5.2 System to Which Multiple Safety CPUs are Connected
Data type
Bit
Bit
Bit
Bit
Comment
(Blank)
(Blank)
(Blank)
(Blank)
Access from external devices
 (unchecked)
 (unchecked)
 (unchecked)
 (unchecked)