Implementation of Modbus TCP
D301271 1013 - FGEN - multi protocol9-18
9.3.7 Register 0×113E und 0×113F: „Save Modbus-Connection-Parameters“
Registers 0×113E and 0×113F are used for the non-volatile saving of parameters in registers 0×1120
and 0×1130 to 0×113B.
or this purpose, write "0×7361" in register 0×113E. To activate the saving of the registers, write
"0×7665" ("save") within 30 seconds in register 0×113F.
Both registers can also be written with one single request using the function codes FC16 and FC23.