
SIMATIC S7-400
Communication
CP 443-1 Advanced
6/116
Siemens ST 70 · 2013
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Technical specifications (continued)
Performance data
Performance data
open communication
Number of possible connections for
open communication by means of
SEND/RECEIVE blocks maximum
64
Data volume
• as user data per ISO connection for
open communication by means of
SEND/RECEIVE blocks maximum
8 Kibyte
• as user data per ISO on TCP connec-
tion for open communication by
means of SEND/RECEIVE blocks
maximum
8 Kibyte
• as user data per TCP connection for
open communication by means of
SEND/RECEIVE blocks maximum
8 Kibyte
• as user data per UDP connection for
open IE communication by means of
SEND/RECEIVE blocks maximum
2 Kibyte
Number of possible connections for
open communication by means of
T blocks maximum
64
Data volume as user data per ISO on
TCP connection for open communica-
tion by means of T blocks maximum
1 452 byte
Number of Multicast stations
-
Performance data S7 communication
Number of possible connections for
S7 communication
• maximum 128
• with PG connections maximum
2
• with PG/OP connections maximum
-
• note
when using several CPUs
Performance data
multi-protocol mode
Number of active connections with
multiprotocol mode
128
Performance data
IT functions
Number of possible connections
• as client by means of FTP maximum 20
•as server
- by means of FTP maximum 10
- by means of HTTP maximum
4
• as e-mail client maximum
1
Amount of data as useful data for
e-mail maximum
8 Kibyte
Storage capacity of user memory
• as flash memory file system 30 Mibyte
• as RAM
16 Mibyte
• additionally buffered as RAM via
central backup battery
512 Kibyte
Number of possible write cycles flash
memory cells
100 000
Order No. 6GK7 443-1GX30-0XE0
Product-type designation CP 443-1 Advanced
Performance data
PROFINET communication
as PN IO-Controller
Product function
PROFINET IO controller
Yes
Number of PN IO-Devices on
PROFINET IO-Controller usable total
128
Number of PN IO IRT-Devices on
PROFINET IO-Controller usable
64
Number of external PN IO lines
with PROFINET per rack
4
Data volume
• as useful data for input variables as
PROFINET IO controller maximum
8Kibyte
• as useful data for output variables
with PROFINET IO controller maxi-
mum
8Kibyte
• as useful data for input variables
per PN IO device with PROFINET IO
controller maximum
1 433 byte
• as useful data for output variables
per PN IO device with PROFINET IO
controller maximum
1 433 byte
• as user data for input variable per
PN IO device per submodule as
PROFINET IO controller maximum
240 byte
• as user data for output variables per
PN IO device per submodule as
PROFINET IO controller maximum
240 byte
Performance data
PROFINET CBA
Number of remote connection partners
with PROFINET CBA
64
Number of connections with
PROFINET CBA total
600
Amount of data
• as useful data for digital inputs with
PROFINET CBA maximum
8Kibyte
• as useful data for digital outputs in
the case of PROFINET CBA max.
8Kibyte
• as useful data for arrays and data
types
- in the case of acyclic transmission
with PROFINET CBA maximum
8Kibyte
- in the case of cyclic transmission
with PROFINET CBA maximum
250 byte
- in the case of local interconnection
with PROFINET CBA maximum
2 400 byte
Performance data
PROFINET CBA
remote connection
with acyclic transmission
Updating time of the remote intercon-
nections in the case of acyclic trans-
mission with PROFINET CBA
0.1 s
Number of remote connections to
input variables with acyclic transmis-
sion with PROFINET CBA maximum
150
Number of remote connections to out-
put variables with acyclic transmission
with PROFINET CBA maximum
150
Order No. 6GK7 443-1GX30-0XE0
Product-type designation CP 443-1 Advanced
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