Mitsubishi L02CPU User Manual page 23

Melsec-l series
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TCP and UDP are defined as follows:
● TCP (Transmission Control Protocol)
In communications among programmable controllers and networked devices, this protocol establishes a connection
between port numbers of the two devices to perform reliable data communications.
● UDP (User Datagram Protocol)
This is a connectionless protocol and thereby its speed is faster than that of TCP. However, the reliability in data
communications is low. (Data may be lost or not be received in correct order.) Note that simultaneous broadcast is
available.
Select an appropriate protocol, considering the specifications of the external device and the characteristics of the above
protocols.
CHAPTER 2 COMMUNICATION SPECIFICATIONS
2
21

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