Siemens SIMATIC S7-200 Manuel - Sayfa 29
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4.13
String
Table 4- 13
String conversion
S7-200 instruction
STR_LEN String Length
STR_CPY String Copy
SSTR_CPY Substring Copy
STR_CAT String Concatenate
STR_FIND String Find
CHR_FIND Character Find
* Only S7-200 literal string ("abcdef") input parameters are converted. S7-200 string direct address and indirect address
parameters are not converted, due to differences between the S7-200 and S7-1200 string storage format.
4.14
Communication
Table 4- 14
Communication conversion
S7-200 instruction
XMT
RCV
NETR
NETW
GET_ADDR
SET_ADDR
SIMATIC S7-200 to SIMATIC S7-1200 software conversion tool
Manual, 1/2010
Converted?
S7-1200 instruction
Yes *
LEN
Yes *
CONCAT
Yes *
MID
Yes *
CONCAT
Yes *
FIND
No
Converted?
S7-1200 instruction
No
Equivalent XMT/RCV message based freeport functionality is
supported through the new PtP (Point to Point) instructions.
However, configuration and programming are very different
compared to the S7-200 SM (Special Memory) configuration.
Character based freeport is not supported.
No
No
Alternative NETR/NETW peer-to-peer PPI network operations
are supported through TSEND_C/TRCV_C over Ethernet
TCP/IP.
No
No
Profibus communication is not supported.
No
S7-200 LAD instruction conversion
4.13 String
29