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Siemens CP 1543-1 User Manual

Siemens CP 1543-1
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Product overview, functions
2.5 Configuration limits and performance data
CP 1543-1
18 Operating Instructions, 05/2017, C79000-G8976-C289-07
Restrictions for UDP
Restrictions UDP broadcast / multicast)
To avoid overloading the CP due to high broadcast / multicast frame traffic, the receipt of
UDP broadcast / multicast on the CP is limited
UDP frame buffering
Length of the frame buffer: At least 7360 bytes
Following a buffer overflow, newly arriving frames that are not fetched by the user
program are discarded.
2.5.3
Characteristics of S7 communication
S7 communication provides data transfer via the ISO Transport or ISO-on-TCP protocols.
Feature
Explanation / values
Total number of freely usable S7 connections on
Industrial Ethernet
Max. 118
LAN interface - data field length generated by CP
per protocol data unit (PDU = protocol data unit)
for sending: 480 bytes / PDU
for receiving: 480 bytes / PDU
Number of reserved OP connections
4
Number of reserved PG connections
4
Number of reserved connections for Web
2
Note
Maximum values for an S7-1500 station
Depending on the CPU you are using, there are limit values for the S7
-
1500 station. Note the
information in the relevant documentation.

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Siemens CP 1543-1 Specifications

General IconGeneral
BrandSiemens
ModelCP 1543-1
CategoryController
LanguageEnglish

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