Omron E5AR - MANUAL 2

7.1 Communication method
7-3
Communication
(Modbus)
When writing multiple sets of setting data in a row, such as when
writing to the variable area or performing a compound write, controlla-
bility may be affected. Pay attention to the following points:
Command
Response
Command
Maximum of 3 setting
data sets can be written
50 ms or higher