ProSoft Technology 5201-MNET-ASCII - Manual (Page 55)

MNET ♦ ProLinx Gateway Modbus Protocol Specification
Modbus TCP/IP Interface Module Driver Manual
ProSoft Technology, Inc. Page 55 of 78
September 1, 2010
4 Modbus Protocol Specification
 Read Coil Status (Function Code 01)
In This Chapter
.................................................... 56
 Read Input Status (Function Code 02) .................................................. 57
 Read Holding Registers (Function Code 03) ......................................... 58
 Read Input Registers (Function Code 04) ............................................. 59
 Force Single Coil (Function Code 05) ................................................... 60
 Preset Single Register (Function Code 06) ........................................... 61
 Diagnostics (Function Code 08) ............................................................ 62
 Force Multiple Coils (Function Code 15) ............................................... 66
 Preset Multiple Registers (Function Code 16) ....................................... 67