DNF Controls USP3-16, Руководство пользователя

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19. EXAMPLES: RECEIVE PATTERN MATCHING
NOTE- ASCII and HEC data can be mixed in a user entered pattern. For simplicity only, the examples
do not mix ASCII or HEX in a user entered pattern.
ASCII Examples
User Entered Pattern Received ASCII Data Notes
ABCD ABCDEFG Successful pattern match of first 4 received characters
ABCD 1234ABCDEFG Successful pattern match of 5th , 6 th , 7 th , and 8 th received
characters
ABCD 1234A5BCDEFG No pattern match. User entered pattern must be received
as entered.
A %XX C D
NOTE - spaces are not
included in pattern
match
ABCD
ACCD
AJCD
A2CD The value of the second character in the pattern, %XX, is like
a wildcard, so it can be any character.
A successful pattern match will result if the first, third and
fourth characters are correct.
All four received character patterns are a successful
pattern match.
A %XX C D 1234ABCDEFG
1234A5CDEFG
4AKCDE Successful pattern matches.
A %XX C D ACD No pattern match. Four characters must be received.
Hex Examples (Base 16 Numbering)
User Entered Pattern Received Hex Data
(spaces for display only)
Notes
%12 %34 12 34
12 34 56 78
56 78 12 34 9A
56 78 12 34 Successful pattern matches for hexadecimal values 12 and
34.
%X2 12
32
52
A2 The first half of the received Hex value is like a wildcard and
can be any value. Only the second half must match the user
entered value.
Successful pattern matches.
%12 %4X 12 43
12 4A
12 49 56
98 12 49 The second half of the received Hex value is like a wildcard
and can be any value. Only the first half must match the user
entered value.
Successful pattern matches.
%12 %4X 12 34
12 84
12 56 No pattern match.
USP3 User Manual Page 32 of 46