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Chapter 5 - Machine Settings
5.2 PLC Connection
The PLC Connection view allows to add new controller connections, to configure these connections and to delete
connections. This page also shows all configured PLC connections and their status.
edgeGate supports up to 5 PLC connections (SIMATIC S7 and/or Modbus TCP controllers).
uaGate SI allows to setup a connection to one SIMATIC S7-300/400/1200/1500 or SIMATIC S7-1200/1500 PLC with
optimized data access.
uaGate MB allows to setup a connection to one Modbus TCP controller.
uaGate 840D supports the connection to one SINUMERIK 840D.
Adding a Connection
Depending on the current gateway device, the configuration page for a Siemens S7 connection , Siemens S7-2
connection , Modbus connection or a SINUMERIK 840D connection is shown when clicking the Add
button.
When working with edgeGate there is a chance to connect to a SIMATIC S7 PLC or to a Modbus TCP controller by
selecting the appropriate controller type in the PLC Type dropdown list.
When working with uaGate SI there is a chance to connect to a SIMATIC S7 PLC or to a SIMATIC S7-1200/1500 PLC
by selecting the appropriate controller type in the PLC Type dropdown list.
A connection name only can be chosen when adding a PLC connection.
Note
If the maximum number of the supported PLC connections of the dataFEED Gateway already has
been reached there is no chance to add further connections to the dataFEED Gateway.
By clicking the Save button the connection configuration is stored in the device using the assigned connection
name.
Modifying a Connection
To modify the configuration of an existing PLC connection, select the line of the connection to be modified and
click the Modify button. Depending on the current gateway device this will open the configuration page for a
Siemens S7 connection , Siemens S7-2 connection , Modbus connection or the SINUMERIK 840D
connection .
Controller Symbol Import
It is possible to import symbols from the PLC project for a defined connection configuration. To do so, first select
the connection for which you want to import symbols and then click the Symbol Import button. This will open the
page for Siemens S7 Symbol Import , Siemens S7-2 address-space filter , Modbus Symbol Import or
SINUMERIK 840D Symbol Import .
Deleting a connection
To delete a PLC connection, first select the connection to be deleted and click the Delete button.
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