Siemens SIMATIC S7-1500 Manual page 60

Article number
SIMATIC communication
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Open IE communication
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Web server
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CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
Equipment Manual, 07/2021, A5E40882737-AB
PG/OP communication
S7 routing
Data record routing
S7 communication, as server
S7 communication, as client
User data per job, max.
TCP/IP
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Data length, max.
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several passive connections per port, sup-
ported
ISO-on-TCP (RFC1006)
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Data length, max.
UDP
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Data length, max.
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UDP multicast
DHCP
DNS
SNMP
DCP
LLDP
Encryption
HTTP
HTTPS
Technical specifications
6ES7518-4AX00-1AB0
Yes; encryption with TLS V1.3 pre-selected
Yes
Yes
Yes
Yes
See online help (S7 communication, user data
size)
Yes
64 kbyte
Yes
Yes
64 kbyte
Yes
2 kbyte; 1 472 bytes for UDP broadcast
Yes; 128 multicast circuits (of which max. 5 via
X1)
Yes
Yes
Yes
Yes
Yes
Yes; Optional
Yes; Standard and user pages
Yes; Standard and user pages
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