10. easyE4 communication Connection to other devices
10.17 Modbus TCP
Fig. 351: One easyE4 functioning as a Modbus TCP client controlling four Modbus TCP servers
10.17.1 easyE4 as a Modbus TCP client
Only available on easySoft Version 7.30 or higher.
Only available on firmware version 1.30 or higher.
By using the Modbus TCP server module, easyE4 can be used with the functionality
of a higher-level Modbus TCP client. The Modbus TCP server module is a place-
holder for hardware that can be addressed by easyE4 via a separate communication
channel. Automation components that feature the corresponding communication cap-
abilities can be connected as a Modbus TCP server to easyE4. easyE4 can perform
control activities and evaluate and display diagnostic data and other process data
(e.g., position data for a drive).
Four Modbus TCP server modules are allowed per base device.
As soon as a Modbus module is dragged from the catalog and dropped on the work
pane next to the bottom of an easyE4 base device,
the base module's Modbus TCP client functionality will be activated.
This means that easyE4 will act as a Modbus TCP client and the Modbus module
will represent the Modbus TCP server as a "virtual" module. Modbus TCP servers can
easyE402/24 MN050009ENEaton.com
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