Index
Communication
Function Manual, 12/2017, A5E03735815-AF
259
Interfaces of communications modules
Point-to-point connection, 18
Interfaces of communications processors, 17
ISO, 20, 67
ISO-on-TCP, 67, 76
Logging, 244
Man-in-the-middle attack, 42
Modbus protocol (RTU), 121
Modbus TCP, 68
NTP, 20, 244
Occupation of connection resources, 232
OPC UA
Certificate generator, 150
DB tags, 157
End points, 138
Identifier, 133
Introduction, 127, 128, 129
Layer model, 155
Namespace, 132
OpenSSL, 151
PLC tags, 157
Secure channel, 154
Secure connection, 154
Security mechanisms, 145
Security settings, 138
Signing and encryption, 147
X.509 certificates, 149
OPC UA client
Basics, 142
Certificate, 172
OPC UA server
Address range, 134
Addressing, 162
Application name, 162
Authentication, 177
Basics, 130
Commissioning, 161
Customizing the server certificate, 174
Generating a server certificate, 167
Performance, 159
Performance increase, 159
Publishing interval, 166
Runtime licenses, 179
Sampling interval, 167
Security settings, 170
Subscription, 165
TCP port, 164
, 166
W
rite and read rights, 157
XML export file, 160
Open communication
Connection configuration, 76
Setting up e-mail, 88
Setting up FTP, 89
Setting up TCP, ISO-on-TCP, UDP, 76
Open User Communication
Features, 66
Instructions, 69
Protocols, 67
OpenSSL, 151
PCT, 224
PG communication, 20, 61
Point-to-point connection, 20, 121
Private Key, 37
Procedure 3964(R), 121
Protocols for Open User Communication, 67
Public Key, 37
PUT, 113
Record Protocol, 41
RFC 5280, 37
Root certificate, 45
S7 communication, 20, 112, 231
S7 routing, 219
Connection resources, 231
Secure communication, 37
Secure Socket Layer, 41
Security, 242
Security measures, 242
Firewall, 243
Logging, 244
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