
Chapter 2 Specification of Communication port for CPU module
2 – 4
2.2.2 ASR communication port
ASR communication function can be used when message data is transmitted from this unit to the host actively at the
event occurrence, and message data is received from the host at any time. And communication procedures can be
established according to the system.
Ethernet
TCP/IP
application
[Event transmitting]
Event occurrence!!
Ethernet
[Cyclic transmitting]
Ethernet
Application
[Receiving]
Ethernet
TCP/IP
application
[Transmitting and receiving]
Figure 2.5 ASR communication port
Table 2.2 Communication specifications for ASR communication
Item Specifications
1 Communication
protocol
TCP/IP, UDP/IP
2 Logical port Up to 6 (A port not to be used can be set up to the Invalid.)
3 Maximum length of
message
UP to 730 words
4 Transmitting area Specifying from WX, WY, and internal output
5 Receiving area Specifying from WY and internal output
6 Transmitting system Event transmitting, Cyclic transmitting
7 Receiving system Auto receiving
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