11 (0x0B) Get Comm Event Counter (Serial Line only) 15 (0x0F) Write Multiple Coils 16 (0x10) Write Multiple Registers 17 (0x11) Report Server ID (Serial Line only) 22 (0x16) Mask Write Register 23 (0x17) Read/Write Multiple Registers 43 / 14 (0x2B / 0x0E) Read Dev...