Access From And To The S7-200; Access From S7-300/400 To S7-200 - Siemens CP 243-1 Operating Instructions Manual

Access from and to the S7-200

Explanation of the symbols
The following tables summarize the access options from S7-300/400 to the S7-200 and from
the CP 234-1 to devices of the S7-200/300/400.
The symbols used in the tables have the following meaning:
Characte
r
A.1

Access from S7-300/400 to S7-200

Supported access by S7-300/400 clients to S7-200 using STEP 7
CPU firmware version
Data types
BOOL
BYTE
CHAR
WORD
INT
DWORD
DINT
REAL
Memory areas
INPUT
OUTPUT
BIT MEMORY
DATA BLOCK
VARIABLES *
CP 243-1
Operating Instructions, 03/2012, C79000-G8976-C244-02
Meaning
√ Is supported.
- Is not generally supported.
X Not possible if CPU with this firmware version is used.
RO Read-only access (read only).
)
S7-200 with CPU222, CPU224, CPU 226/XM
1.2
√
√
X
√
X
√
X
X
√
√
√
-
√
1.21 >1.21
√
√
RO
√
RO
√
RO
RO
√
√
√
-
√
A
√
√
√
√
√
√
√
√
√
√
√
-
√
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