Siemens SIMATIC S7-1200 - Page 997

Communication
11.5 S7 communication
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
997
The system reacts with the following changes:
Table 11- 66 Connection parameter: General values
Parameter
Definition
Connection
parameter:
General
End point "Local End point" contains "PLC_1" as read-only.
"Partner End point" field contains "PLC_3[CPU319-3PN/DP]":
• The color switches from red to white
• The "Partner" device image is shown.
• A connection line appears between the PLC_1- and PLC_3 device images
(green Ethernet line).
Interface "Local Interface" contains "CPU1214C DC/DC/DC, PROFINET interface
(R0/S1)".
"Partner Interface" contains: "CPU319-3PN/DP, PROFINET interface
(R0/S2)".
Interface type "Local Interface type" contains "Ethernet/IP"; control is read-only.
"Partner Interface type" contains "Ethernet/IP"; control is read-only.
Interface type images are shown at the right beside the Local and Partner
"Interface type" (green Ethernet icon).
Subnet name "Local Subnet name" contains "PN/IE_1"; control is read only.
"Partner Subnet name" contains "PN/IE_1"; control is read only.
Address "Local Address" contains the Local IP address; control is read only.
"Partner Address" contains the Partner IP address; control is read only.
Connection ID "Connection ID" contains "100".
In the Program editor, in the Main [OB1], the GET/PUT block "Connection ID"
value also contains "100".
Connection name "Connection name" contains the default connection name (for example,
"S7_Connection_1"); control is enabled.
Active connection estab-
lishment
Checked and enabled to select the Local CPU as the active connection.
One-way Read-only and unchecked.
Note: "PLC_1" (an S7-1200 CPU 1214CDC/DC/Relay) and "PLC_3" (an S7-
300 CPU 319-3PN/DP) can both act as a server and a client in a PROFINET
GET/PUT connection, allowing a two-way connection.
The GET/PUT icon in the Property View tree also changes from red to green.