Siemens CPU 1518-4 PN/DP ODK - Page 44

Technical specifications
CPU 1518-4 PN/DP ODK (6ES7518-4AP00-3AB0)
44 Manual, 09/2016, A5E35681108-AA
6ES7518-4AP00-3AB0
Open IE communication
TCP/IP
Yes
•
Data length, max.
64 KB
•
Multiple passive connections per port, sup-
ported
Yes
ISO-on-TCP (RFC1006)
Yes
•
Data length, max.
64 KB
UDP
Yes
•
Data length, max.
1472 bytes
DHCP
No
SNMP
Yes
DCP
Yes
LLDP
Yes
Web server
HTTP
Yes; standard and user-defined sites
HTTPS
Yes; standard and user-defined sites
PROFIBUS DP master
Number of connections, max.
48; for the integrated PROFIBUS DP interface
Services
•
PG/OP communication
Yes
•
S7 routing
Yes
•
Data record routing
Yes
•
Isochronous mode
Yes
•
Constant bus cycle time
Yes
•
Number of DP slaves
125; in total, max. 1 000 distributed I/O devices
can be connected via AS-i, PROFIBUS or
PROFINET
•
Activation/deactivation of DP slaves
Yes
OPC UA
OPC UA server
Yes; Data Access (Read, Write, Subscribe),
Runtime license required
•
Application authentication
Yes
•
Security Policies
Available Security Policies: None,
Basic128Rsa15, Basic256Rsa15,
Basic256Sha256
•
User authentication
"Anonymous" or with user name and password
Additional protocols
MODBUS
Yes; MODBUS TCP
Media redundancy
Switchover time in the case of cable break, typ.
200 ms; with MRP; bumpless with MRPD
Number of devices in the ring, max.
50