RTS WM300 Specifikace stáhnout pdf (Strana 27)

Chapter 2 Specification of Communication port for CPU module

2 – 13

(*) In case where the connection is not closed normally.

When the connection is not closed normally for reasons that the cable came off, etc., the process mentioned above is

not performed. When the set of the transmitting and receiving is specified to “Transmitting” or “Transmitting and

receiving”, it is detected by the transmitting timeout that the connection is not opened normally and the ASR port

status flag [1] is turned ON.

[A]

[1]

Cable came off.

Connection is opened at the

rising of the open request.

Connection close is detecte

by the transmitting timeout.

: Operation by user

: Operation by system

Opens the connection.

: Event

Figure 2.11 TCP/IP Transmitting and Transmitting and receiving side

for ASR port status flag and ASR port open request flag

When the set of transmitting and receiving is specified to “Receiving”, it is not detected that the connection is closed

because of waiting for message data from the other station. When the connection open request is transmitted from the

other station again, it is detected that the connection is closed and the ASR port status flag [1] is turned OFF.

[A]

[1]

Cable came off.

Connection is opened by the open

request from the other station.

Connection close is detected by the

open request from the other station.

: Operation by user

: Operation by system

Makes the connectio

open the waiting status.

: Event

Cable came off.

Closes the

connection.

Connection is closed at th

falling of the open request.

Figure 2.12 TCP/IP Receiving side for ASR port status flag and ASR port open request flag

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RTS WM300 Specifikace Strana 27