Mitsubishi Electric MELSEC iQ-R Series User Manual page 89

Safety communications flow
■ Master station (safety station) and local station (safety station)
The safety device status of the sending station is stored in the safety device of the receiving station.
Safety cycle Safety cycle
SA\M0
Ò
SA\Y
Output from the master station (safety station)
 The safety device of the Safety CPU on the master station (safety station) turns on.
 The safety device status of the Safety CPU on the master station (safety station) is stored in the Safety CPU on the local station (safety station) by safety
data transfer.
Output from the local station (safety station)
 The safety device of the Safety CPU on the local station (safety station) turns on.
 The data in a safety device of the Safety CPU on the local station (safety station) is stored in the Safety CPU on the master station (safety station) by safety
data transfer.
No.0
Safety CPU
Master station
(safety station)
Safety device
Safety device
No.1
Safety CPU
Local station
(safety station)
Safety device
Ó
Safety device
Safety cycle Safety cycle
Õ
SA\M0
Ô
SA\Y
1 FUNCTIONS
1.7 Safety Communications
1
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