Modbus Protocol

Strona
2 z 10
Contents
1. Revision history ............................................................................................................................... 3
2. Modbus protocol ............................................................................................................................. 3
3. Function codes ................................................................................................................................ 3
3.1. Public function codes - Read Input Registers (0x04) ................................................................... 3
3.2 User defined function codes - Service (0x41) .............................................................................. 6
3.3 User defined function codes - Read Events (0x42)...................................................................... 7
3.4 User defined function codes - Read Parameter Chart (0x43) ..................................................... 8
3.5 User defined function codes - Read Battery Temperature Chart (0x44) .................................... 9
3.6 Event codes ................................................................................................................................. 9