Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 142

Precautions
■For a redundant master station
When the value of "System Switching Monitoring Time" is set less than 550ms, a system switching may occur by the following
operation. To prevent the system switching, the value of "System Switching Monitoring Time" is set to 550ms or more.
• When the redundant configuration splits into two systems due to cable disconnection or other problem and returns to a
single system by resolving the disconnection
■When "Link Scan Mode" is set to "Sequence Scan Synchronous Setting"
Modify the program so that the sequence scan time of the CPU module will be within 200ms. If 200ms is exceeded, slave
stations may be disconnected.
2 PARAMETER SETTINGS
140
2.4 Application Settings