Modbus OMNI Data Types

Type

Description

I1

one-byte character

UI1

unsigned one-byte value

I2

signed two-byte integer

UI2

unsigned two-byte integer

I4

signed four-byte integer

UI4

unsigned four-byte integer

R4

single precision IEEE floating point

R8

double precision IEEE floating point

BOOL

Boolean (on/off) value

ARRAY

array of specified data type

STRING

string

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