MGate 4101-MB-PBS
Configuration
4-24
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 coil
15: Write multiple coil
<The start bit:The end bit>[The ID of I/O module]
01: Read coil
02: Read discrete inputs
06: Write single register
16: Write multiple register
<The start word>[The ID of I/O module]
03: Read holding register
04: Read input register
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