Moxa Technologies MGate MB3000 Modbus Manuale Utente Scaricare il pdf (Pagina 35)

MGate 4101-MB-PBS UM Configuration

4-21

The IO map interface shows input and output memory array. The row unit is internal address and the column

unit is byte number. Each column has a length of 20 bytes. Each cell is showed as the following table:

Modbus Mode Command The Format Meaning

Master N/A <The Modbus ID>[The ID of I/O module]

Slave 05: Write single coli

15: Write multiple coli

<The start bit:The end bit>[The ID of I/O module]

01: Read coli

02: Read discrete inputs

06: Write single register

16: Write multiple register

<The start word>[The ID of I/O module]

03: Read holding registers

04: Read input register

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 53 54

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Moxa Technologies MGate MB3000 Modbus Manuale Utente Pagina 35