Mitsubishi Electric MELSEC iQ-R Series Safety Manual page 186

The following shows the constant and safety user devices used in the program.
• Way of using the constant
K: indicates decimal number
Ex.
K1 1 of decimal number
• Way of using the safety user devices
Safety user devices
SA\D0
SA\D1
SA\T0
• Way of using word device bit specification
SA\D.n: This indicates the nth bit of the word device SA\D
Ex.
SA\D0.0 = 0 bits in SA\D0
F
0 0 0 0 0 0 0
For bit-specified word device, refer to the following.
 MELSEC iQ-R Programming Manual (Instructions, Standard Functions/Function Blocks)
5 SAFETY APPLICATION CONFIGURATION EXAMPLES
184
5.2 System to Which Multiple Safety CPUs are Connected
Description
This is used as restart status.
(1) SA\D0 = 0: Initial status or start processing completed
(2) SA\D0 = 1: (SA\D0.0: ON): Reset switch pressed
(3) SA\D0 = 2 (SA\D0.1: ON): Restart processing completed (reset switch released after pressed in (2))
This is used as start status.
(1) SA\D1 = 0: Initial status or safety not checked
(2) SA\D1 = 1 (SA\D1.0: ON): Reset switch pressed.
(3) SA\D1 = 2 (SA\D1.1: ON): Restart processing completed (reset switch released after pressed in (2))
This indicates timer device. Times out after a lapse of the time specified at K.
0
0 0 0 0 0 0 0 0 1