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Modbus TCP/IP Driver Manual
Page 6 of 23
4 DATA ARRAY PARAMETERS
Data Arrays are “protocol neutral” data buffers for storage of data to be passed between protocols. It is
necessary to declare the data format of each of the Data Arrays to facilitate correct storage of the relevant
data.
Section Title
Data_Arrays
Column Title
Function
Legal Values
Data_Array_Name
Provide name for Data Array.
Up to 15 alphanumeric
characters
Data_Array_Format
Provide data format. Each Data Array can only
take on one format.
Float, Bit, Byte, Uint16,
Uint32, Sint16, Sint32
Data_Array_Length
Number of Data Objects. Must be larger than the
data storage area required by the Map Descriptors
for the data being placed in this array.
1 255
Example
// Data Arrays
Data_Arrays
Data_Array_Name
, Data_Array_Format
, Data_Array_Length
DA_AI_01
, Float
, 200
DA_AO_01
, Float
, 200
DA_DI_01
, Bit
, 200
DA_DO_01
, Bit
, 200
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