Using Controller Tags MVI56E-MNETC/MNETCXT ♦ ControlLogix Platform
User Manual Modbus TCP/IP Client Enhanced Communication Module - Client/Server
Page 76 of 172 ProSoft Technology, Inc.
September 20, 2018
The ReadData array is related to the contents of the Read Data area of the
module's internal database. To view the actual registers in the module's internal
database, access the database display from ProSoft Configuration Builder's
Diagnostics menu. For more information, see the section on PCB The
Diagnostics Menu (page 88).
MNETC.DATA.WriteData
The WriteData controller tag array should accommodate the value entered in the
Read Register Count (page 37) parameter of the MVI56E-MNETC/MNETCXT
configuration file in Prosoft Configuration Builder. The default length of this array
is 600. If more than 600 registers are needed, please see Adjust the Input and
Output Array Sizes.
For ease of use, this array should be dimensioned as a multiple of 200 words.
This data is paged up to 200 words at a time from the processor to the module.
The ladder logic places the write data into the output image for transfer to the
module. This data is passed from the processor to the module for status and
control information for use in other nodes on the network.
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