Mitsubishi Electric MELSEC iQ-RJ71GF11-T2 - Page 92

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1 FUNCTIONS
1.7 Redundant System Function
When the master/local module is powered on or is reset, even if the communication error with the system
switching monitoring target station continues for the system switching monitoring time or longer a system
switching request is not issued to the control system CPU module until each slave station goes back to
normal.