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SY-0399095E工業卡件
COM2接口的操作模式
串行接口COM2固定設置為無源模式（MMC接口）。
被動模式用于執行通信
借助DRUCK和EMAS塊進行配置
用戶程序和連接到串行接口。
COM2的應用程序特定初始化可以是使用SINIT功能塊執行。
接口參數
被動模式：默認設置
同步：RTS/CTS
接口標識符COM2:2
波特率：9600
停止位1
數據位：8
奇偶校驗位：無
回聲：關閉發送中斷字符：0為啟用文本結束字符發送方向：無1）發送文本結束字符：<CR>1）接收文本字符結尾：<CR>2）1）發送的默認文本字符結尾未發送方向（CR）。然而，這種違約文本結尾字符（CR）不得出現在指定DRUCK塊的消息文本。
對于接收方向，文本結尾性格總是必要的
此默認值文本結尾字符（CR）不得出現在消息文本也不在指定的用戶數據中EMAS塊。
對于COM2的被動模式，接口參數可以使用SINIT功能塊進行更改。如果更改的值不合理，COM2接口使用默認值。
在被動模式下設置SINIT塊或默認值。3.3.12組網接口07 KT 93中央單元配備了一個特殊的并行接口。因此，它可以與使用附加通信的另一總線系統處理器模塊。附加通信
處理器有自己的外殼。兩個殼體（07 KT 93和通信處理器）
通過卡扣連接組裝。中央單元中使用的高速計數器07 KR 91、07 KT 92和07 KT 93獨立于用戶程序，因此能夠響應快速響應外部信號。其特點如下：計數頻率最大為10 kHz。計數器
計數端子05處的0–>1條邊（也指定為如E 62,00）。
計數器從–32768向上計數至+32767（8000H…7FFFH）。如果超過+32767，計數器跳到-32768。Operating modes of the COM2 interface
The serial interface COM2 is fixedly set to the passive
mode (MMC interface).
The passive mode is used to perform a communication
configured with the aid of the DRUCK and EMAS blocks
between the user program and a device connected to the
serial interface.
The application-specific initialization of COM2 can be
performed using the SINIT function block.
Interface parameter
Passive mode: Default setting
Synchronization: RTS/CTS
Interface identifier COM2: 2
Baud rate: 9600
Stop bits 1
Data bits: 8
Parity bits: none
Echo: off
Send Break Character: 0
Enabling End-of-text character for
sending direction: no 1)
Sending End-of-text character:1)
Receiving End-of-text character:2)1) The default End-of-text character for the sending
direction (CR) is not sent. Nevertheless, this default
End-of-text character (CR) must not appear in the
message text of the assigned DRUCK block.
2) For the direction of reception, an End-of-text
character is always necessary. This default
End-of-text character (CR) must not appear neither in
the message text nor in the user data of the assigned
EMAS block.
For the passive mode of COM2, the interface parameters
can be changed using the SINIT function block. If the
changed values are not plausible, the COM2 interface
uses the default values.
In the passive mode the parameters established by the
SINIT block or the default values are set.
3.3.12 Networking interface
The 07 KT 93 central unit is equipped with a special
parallel interface. It is thus possible to network it with
another bus system using an additional communication
processor module. The additional communication
processor has its own housing. Both housings (of the
07 KT 93 and of the communication processor) are
assembled by means of a snap-on connection.The high-speed counter used in the central units
07 KR 91, 07 KT 92 and 07 KT 93 works independently of
the user program and is therefore able to response
quickly to external signals. Its features are as follows:
The counting frequency is max. 10 kHz. The counter
counts the 0–>1 edges at terminal 05 (also designated
as E 62,00).
The counter counts upwards from –32768 to +32767
(8000H...7FFFH). If +32767 is exceeded, the counter
skips to –32768.
