If you share a software which supports only ASCII code as like MX-Component, please use an automatic open UDP/IP port.Please check "Enable Write at RUN time", if you can write to PLC device from outside(OPC Server).Existence confirmation setting by PING is to send ICMP packet, Existence confirmation setting by KeepAlive is to send ACK packet.It may become to impossible to reconnect PLC without PLC's reset,if you select the existence confirmation setting by PING.The use of the Keep Alive function to perform existence checks is recommended when the Q Series is used.Ethernet units that have serial numbers with 05051 or later as the upper five digits and function version B or later can use this function.For other models, use Ping.
You push the "Initial setting" button of Network parameter screen. Sample settingĭestination existence conformation starting intervalĭestination existence conformation interval timerĭestination existence conformation resend It is necessary to configure the "Initial setting" as follow. *The existence confirmation processing will be performed 3 times at 10 seconds intervals after communication has been stopped for 5 seconds. If the communication trouble occurs by the cable determination or the influence of the collision, etc, OPC Server becomes time-out error when it can't receive the response from PLC in the set time.*The default value "10 minutes" means that it is impossible to communicate for 10 minutes after communication has been stopped. OPC Server can't communicate though it retries to communicate for the set times, and OPC Server tries to reconnect after it closes the connection. At this time, it is not possible to be reconnected be not of Ethernet (The port is in the state of the unclose) it of the unit in the state of LISN, and set the living confirmation parameter appropriately, please. You push the "Open settings" of Network parameter screen.
It it not neccessary to configure Open settings if you use an automatic open UDP/IP port(5000).Latch relays or bits are the Data memory & M bits these can be set to retentive, in the project tree go to plc parameters and one of the last tabs are parameters there you can set the areas that retain data when plc in stop or powered down, on FX D200-255 are usually retentive by default but you can change this from D000 to Dxxx this applies to various other memory areas.Please select "Confirm" at Existence confirmation.Please input Port No by hex digit format.Please select "Procedure exist" at Fixed buffer communication procedure.It is necessary to configure the "Initial setting" as right. Link relays are used for comms, W words & B bits are very often used for network comms i.e.
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