IS200HFPAG2工控DCS系统模块

产品标题: IS200HFPAG2工控DCS系统模块

型号： IS200HFPAG2

品牌： GE

                                                                              产品详情资料：

IS200HFPAG2ADC IS200HFPAG2

发送查询消息后，主设备应在假设从属设备未响应请求之前，等待适当的从属设备周转时间。从站周转时间受控制器通信窗口时间和CPU扫描时间的影响，如RTU从站周转时所述。帧结束超时帧结束超时是一种功能，用于补偿由于使用无线电调制解调器而可能出现的消息间隙。超时被添加到从主机接收消息所允许的时间量。超时应根据主机的传输设备可能引入的间隙时间来确定大小。从RX3i的版本6.70开始，可以使用串行端口设置COMMREQ功能65520配置endof帧超时。超时以100?s为单位***。如果***的时间小于3.5个字符的时间，则RTU驱动程序将超时设置为3.5个字符时间。

                         产品英文详情料:

After sending a query message, the master should wait an appropriate amount of time for slave turnaround before assuming that the slave did not respond to the request. Slave turnaround time is affected by the Controller Communications Window time and the CPU sweep time, as described in RTU Slave Turnaround Time. End-of-Frame Timeout The End-of-frame timeout is a feature that compensates for message gaps that can occur due to the use of radio modems. The timeout is added to the amount of time allowed for receiving a message from the master. The timeout should be sized according to the maximum gap time that could be introduced by the master’s transmitting equipment. Starting with Release 6.70 for the RX3i, the endof-frame timeout can be configured with the Serial Port Setup COMMREQ function 65520. The timeout is specified in units of 100 ?s. If the specified time is less than 3.5 character times, then the RTU driver sets the timeout to 3.5 character times.

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