Article number
SIMATIC communication
S7 communication, as server
•
S7 communication, as client
•
User data per job, max.
•
Open IE communication
TCP/IP
•
–
Data length, max.
–
several passive connections per port,
supported
ISO-on-TCP (RFC1006)
•
–
Data length, max.
UDP
•
–
Data length, max.
–
UDP multicast
DHCP
•
SNMP
•
DCP
•
LLDP
•
Web server
HTTP
•
HTTPS
•
OPC UA
Runtime license required
•
OPC UA Server
•
–
Application authentication
–
Security policies
–
User authentication
Further protocols
MODBUS
•
Media redundancy
Switchover time on line break, typ.
•
Number of stations in the ring, max.
•
CPU 1511-1 PN (6ES7511-1AK02-0AB0)
Manual, 12/2017, A5E40869673-AA
6ES7511-1AK02-0AB0
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; Max. 5 multicast circuits
No
Yes
Yes
Yes
Yes; Standard and user pages
Yes; Standard and user pages
Yes
Yes; Data access (read, write, subscribe), meth-
od call, custom address space
Yes
Available security policies: None,
Basic128Rsa15, Basic256Rsa15,
Basic256Sha256
"anonymous" or by user name & password
Yes; MODBUS TCP
200 ms; For MRP, bumpless for MRPD
50
Technical specifications
43