Modbus TCP gateway
Wieland Electric GmbH | BA000970 | 07/2019 [9855]
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Open the
Properties
docking window.
⇨
You will see the controller configuration dialog.
Step 3: Store configuration
Enter the following values under
Control configuration
:
- valid IP address
- subnet mask
- if required: valid IP address for a default gateway
OR:
Alternatively activate DHCP.
Ensure that samosPLAN
6 is connected to the samosPRO system.
The samosPRO system must not be in
Run (Execute)
mode. The
Start/Stop
button in the
command bar of the
Modules
view must be set to
Start
.
More detailed information on the link to the controls: Software manual, chapter "Connecting to
the safety controller"
Click
Send
in the
Properties
docking window to transfer the configuration to the samosPRO
system.
Configuration of the Modbus-TCP interface to the PLC - how the data are
transferred
78055051
Application characteristics for Modbus TCP
• Support of standard addressing conventions for Modbus TCP
• Master and slave operation
Requirements for the PLC for Modbus TCP
• The PLC must support the Modbus TCP protocol.
• The PLC must either support the Read Holding Registers and Write Multiple Registers com-
mands or the Read/Write Multiple Registers command.
The configuration steps in this section determine how the data are to be transmitted to the higher-
level PLC.
6.3