Characteristics Of S7 Communication; Send/Receive Interface; Characteristic Data - Siemens SIMATIC NET CP 443-1 Advanced Manual

Performance data

2.2 Characteristics of S7 communication

● 10 UDP connections
● 8 ISO transport connections
● 4 FTP connections (for FTP client mode)
See section Characteristic data for FTP / FTPS mode (Page 36).
2.2 Characteristics of S7 communication
S7 communication provides data transfer via the ISO Transport or ISO-on-TCP protocols.
Characteristic
Total number of S7 connections on Industrial
Ethernet
LAN interface - data field length generated by CP
per protocol data unit
•
•
•
•
Note
Effects of connections in the SPEED SEND/RECV mode
Note the effects of connections on the SEND/RECEIVE interface that are used in the
SPEED SEND/RECEIVE mode.
The maximum configuration limits of S7 communication are reduced by each configured
connection using the SPEED SEND/RECV mode.
2.3

SEND/RECEIVE interface

2.3.1

Characteristic data

The SEND/RECEIVE interface provides access to communication over TCP, ISOonTCP,
ISO transport, email, and UDP connections.
24
sending
receiving
Number of PG connections
Number of OP connections
Explanation / values
128 max.,
of those max. 62 H connections
480 bytes / PDU
480 bytes / PDU
2 max.
30 max.
Manual, 03/2019, C79000-G8976-C256-05
CP 443-1 Advanced (GX30)