ABB SPA-ZC 400 Installation And Commissioning Manual page 16

SPA-ZC 400
16
Ethernet Adapter
Modbus/TCP Brigde
Installation and Commissioning Manual
A data message sent as a TCP/IP message means that the higher layer
Transmission Control Protocol assembles the message or file into smaller
packets. These are then transmitted over the Internet and received by a TCP
layer which reassembles the packets into the original message.
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