Mitsubishi Electric MELSEC iQ-R Series User Manual page 286

Name of variable Description
kuu: Inter-module 1800  (Number of device stations) + 10000
synchronization However, if the inter-module synchronization is not performed in the master station
processing time
(unicast)
*1 The switching hub delay time changes depending on the switching hub model and settings.
*2 This is the device station with the largest calculation value when ("RX Setting" / 8) + ("RWr Setting"  2) is calculated for each device
station (including extension modules).
*3 Round up the values in the brackets.
*4 In "Inter-module Synchronization Setting" under "System Parameter" of the master station, "Use Inter-module Synchronization Function
in System" is set to "Not Use" or "Select Inter-module Synchronization Target Module" is set to "Do Not Synchronize".
APPX
284
Appendix 6 Processing Time
*4
, kuu = 0.