Rockwell Automation T3837 ICS Regent MODBUS Master Package for WINTERPRET - Manual (Page 2)

MODBUS Master Package for W INTERPRET (T3837)
P D - 6048 August, 96
(Issue 1) 2
4. Type a:\setup.exe in the text box. (if you inserted the W
INTERPRET
base package disk in drive B: type b:\setup.exe.) Choose OK or
press ENTER.
5. In the W INTERPRET Setup dialog box enter the name of the directory in
which you have installed the W INTERPRET base package (This assumes
that you have already installed W INTERPRET ). Choose Continue.
6. In the W INTERPRET Installation dialog box check the MODBUS
Master package box.
7. Choose OK to have the setup program install the package software.
When the installation is completed, you can run the W
INTERPRET
application and create MODBUS Master function blocks in your
application programs.
Working with MODBUS Master Function
Blocks
MODBUS Master function blocks are created as part of an application
program which may also contain other types of function blocks. A single
application program is made up of as many as 50 function blocks of any
type or combination.
When you installed the MODBUS Master package, additional software
was added to W
INTERPRET to allow you to work with MODBUS Master
function blocks. With this additional software you can create MODBUS
Master function blocks by opening a project, opening a program, and
opening (or creating) a function block.
The code generated by W
INTERPRET for the MODBUS Master
(MODBUS Master function block code) responds to control signals,
prepares MODBUS commands to be sent, decodes received MODBUS
responses, and in general performs the operations that are associated with a
MODBUS Master.
The MODBUS Master code is executed in the Regent in the same manner
as any other function block code. It is called once per application scan as
long as the program to which the MODBUS Master function block belongs
is in the run state. Instead of performing a complete MODBUS scan each