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5--10
Programming Examples
Examples Using Allen-Bradley
t
SLC 5/03, 5/04 and
Micrologix
OptiMate panels interface to Allen-Bradley SLC 5/03, SLC 5/04 and Micrologix
PLCs via integer file type N. The 5/03 and 5/04 have file type N7 as standard. Other
“N” type files can be created. The Micrologix has a fixed file type N7. Please see A-B
documentation for information on setting up and using “N” type files.
NOTE:
When using an OP--440 with an Allen-Bradley PLC, always be sure that at
least 12 words of memory are allocated to allow proper communications.
All of the examples shown assume the OP--440 has been configured as shown
below (using OP--WINEDIT) with a file number N7 and base register address 0.
Assume that message #140 consists of all blanks.
BIN
BIN
BIN
BIN
BIN
BIN
BIN
While the OP--440 can display floating point numbers, the A--B SLC PLCs
do not
have a means of handling floating point numbers.
A--B deals with its registers in binary, not BCD. For this reason, during configuration
be sure to indicate Binary when setting up for A--B.
Interfacing to A-B
Memory
Displaying Floating
Point Numbers
Displaying BCD
Numbers
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