Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 163)

Publication 1760-UM002B-EN-P - March 2005
Wiring with Pico GFX-70 4-53
The error message “Number of comparison elements exceeds one of the
comparison ranges” is output.
BC01E1 is 1.
Example
Comparison of marker blocks, range overlap error.
Two marker blocks are to be compared. Block 1 starts at MW60, Block 2 at
MW64. Each block is 12 bytes long.
Parameters of BC01 function block:
Comparison range 1:
>I1 MW60
Comparison range 2:
>I2 MW64
Number of bytes:
>NO 12
The error message “Comparison ranges overlap” is output.
BC01E2 is 1.
Example:
Comparison of marker blocks, invalid offset error.
Two marker blocks are to be compared. Block 1 starts at MW40, Block 2 at
MW54. The block length is specified by the value of the counter C 01QV.
Parameters of BC01 function block:
Comparison range 1:
>I1 MW40
Comparison range 2:
>I2 MW54
Number of bytes:
>NO C 01QV
The message "The specified offset of the comparison ranges is outside of the
permissible range" is output.
BC01E3 is 1.
IMPORTANT
The comparison is in byte format. MW60 to MW64 is 8
bytes. The number of bytes is 12 bytes.
IMPORTANT
The value of C 01QV is 1024. This value is too big. The
value at
>NO
can be between 1 and +383.