4 Script Definition Method
20-18 SmartAXIS Touch User’s Manual
Data comparison and copy
Character string operation
*1
Only internal devices can be specified as an argument for character string operation function.
Termination character NULL (0x00) is treated as end of character string when character string is handled. Also,
termination character NULL is not included in the length of the character string.
*1 HMI function only
Function Format Description
Data
comparison
MEMCMP(
,,
)
: Starting device of comparison target 1
: Starting device of comparison target 2
: Range of comparison (in words)
Values of device for words and values of device
for words are compared.
1 is returned if all the values of devices match, and 0 is returned if any
of the value does not match.
• Specified range is compared in word unit, and result is returned.
• Up to 64 words can be compared.
Data copy
MEMCPY(
,,
)
: Starting device of copy source
: Starting device of copy target
: Range of copy (in words)
Values from for words are copied to for
words respectively.
• Specified range is copied in word unit.
• Up to 64 words can be copied.
Bit device
(1 word length)
to
Bit device
(1 word length)
BITS2BITS( , );
: Starting device of copy target (bit device)
: Starting device of copy source (bit device)
Copies one word worth of data from to .
• 16 bits are processed from the starting bit device as one word.
• This can only be used in control functions.
Bit device
(1 word length)
to
Word device
BITS2WORD( , );
: Starting device of copy target (bit device)
: Starting device of copy source (word device)
Copies one word worth of data from to .
• 16 bits are processed from the starting bit device as one word.
• This can only be used in control functions.
Word device
to
Bit device
(1 word length)
WORD2BITS( , );
: Starting device of copy target (word device)
: Starting device of copy source (bit device)
Copies one word worth of data from to .
• 16 bits are processed from the starting bit device as one word.
• This can only be used in control functions.
Function Format Description
Character
string copy
STRCUT( , , , )
: Starting device of copy target
: Starting device containing copy source character string
: Start location of copy (0-127)
: Number of characters to copy (1-128)
From the character string starting from , character string
from bytes forward for characters are stored into
for characters.
Character
number count
STRLEN( )
Number of characters for character string starting from is
returned.
Character
string
concatenation
STRCAT( ,
)
To the character string starting from , the character string
starting from is concatenated, and is returned to
beginning.
Character
string search
STRSTR(
,
)
From the character string starting from , character string
starting from is searched, and location found (number of
characters from beginning -1) is returned.
The maximum number for character string to search is 128
characters.
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