Siemens SIMATIC ET 200AL, System Manual

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Index
Communication
442
Function Manual, 05/2021, A5E03735815-AJ
Interfaces of communications modules
Point-to-point connection, 23
Interfaces of communications processors, 22
IP address, emergency address (temporary), 406
IP forwarding, 378
ISO, 25, 113
ISO-on-TCP, 113, 122
L
Logging, 427
M
Man-in-the-middle attack, 46
Modbus protocol (RTU), 147
Modbus TCP, 114
N
NTP, 25, 427
O
Occupation of connection resources, 398
OPC UA
Certificate generator, 178
DB tags, 208
End points, 203
GDS, 185, 189
Identifier, 162
Introduction, 157
Layer model, 183
Namespace, 161
NodeId, 161
OpenSSL, 179
PLC tags, 208
Secure channel, 182
Secure connection, 182
Security mechanisms, 172
Security settings, 203
Signing and encryption, 174
X.509 certificates, 177
OPC UA client
Authentication, 347
Basics, 165
Certificate, 344
OPC UA server
Address space, 163
Addressing, 220
Application name, 219
Authentication, 237
Basics, 201
Commissioning, 218
Customizing the server certificate, 233
Generating a server certificate, 227
Performance, 216
Performance increase, 216
Publishing interval, 225
Runtime licenses, 241, 242
Sampling interval, 226
Security settings, 231
Subscription, 223
TCP port, 222, 224
Write and read rights, 208
XML export file, 217
Open communication
Connection configuration, 122
Setting up e-mail, 133
Setting up FTP, 134
Setting up TCP, ISO-on-TCP, UDP, 122
Open User Communication
Features, 112
Instructions, 115
Protocols, 113
OpenSSL, 179
P
PCT, 386
PG communication, 25, 107
Point-to-point connection, 25, 147
Private Key, 41
Procedure 3964(R), 147
Protocols for Open User Communication, 113
Public Key, 41
PUT, 139
R
Record Protocol, 45
RFC 5280, 41
Root certificate, 49
S
S7 communication, 25, 138, 397
S7 routing, 373
Connection resources, 397
Secure communication, 41
Secure Socket Layer, 45