3. Instruction Set
Number of data (bytes)
Contents of the address 1100H
Contents of the address 1101H
• RTU Mode (M1143=ON)
When X0=ON, MODRW executes the function specified by the function ode H17.
PLC-A PLC-B,PLC-A sends: “01 17 1100 0002 1000 0002 04 1770 0012 A702”
PLC-BPLC-A, PLC-A receives: “01 17 04 0100 1766 7701”
Registers in PLC-A for received data (responding messages)
Contents of the address 1100H
Contents of the address 1101H