Mitsubishi Electric MELSEC iQ-F FX5 Series User Manual page 35

Setting method
The link refresh is assigned in "Refresh Settings" under "Basic Settings". ( Page 93 Refresh settings)
Precautions
■Latched devices of the FX5 CPU module
If data in latched devices of the FX5 CPU module are cleared to zero on a program when the FX5 CPU module is powered off
and on or reset, the data may be output without being cleared to zero, depending on the timing of the cyclic data transfer
processing and link refresh. To prevent data in latched devices from being output, execute the following methods.
FX5 CPU module device
Latch relay (L), file register (R)
FX5 CPU module device within the latch
range
*1 For the initial device value setting of the FX5 CPU module, refer to the following.
 MELSEC iQ-F FX5 User's Manual (Application)
How to disable the device data
Use the device initial value of the FX5 CPU module to clear the device to zero.
Delete all the latch range settings specified in "Latch Interval Operation Setting" under "Device Latch Interval
Setting" in "Memory/Device Setting" of "CPU Parameter".
*1
4 FUNCTIONS
33
4.2 Cyclic Transmission
4