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MELSEC-Q
3 SPECIFICATIONS
(b) CPU system switching time > Switching time from the multiplexed remote
master station to the multiplexed remote sub-
master station
Standby system control system CPU
Output holding time of remote I/O station
System switching request from GX Developer
Scan
Tsw
Toh
Control system standby syst em CPU
[Output holding time (Toh)]
Toh = Tsw + Scan [ms]
Tsw: Redundant CPU system switching time [ms]
Scan: Scanning time of the redundant CPU [ms]
POINT
For the CPU system switching time, refer to QnPRHCPU User's Manual
(Redundant System).
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