DSTC404 可编程序控制器-PLC
数据包故障
为了提供对流氓数据包故障的容忍，包含电路，允许它作为两个流氓主机之一运行。当数据包从另一个节点通过时，流氓主机会更改每个数据包。如果同一数据包第二次返回到流氓主机，流氓主设备会识别出这是一个流氓数据包，并将其从链路中删除。当检测到恶意数据包时，在名为LISR的寄存器中设置恶意数据包故障标志。恶意分组故障位的断言可以可选地断言PCI中断，以通知主机该情况存在。提供了两个流氓大师，流氓高手0和流氓师傅1，以相互交叉检查。通过移除跳线块E5的引脚3和引脚4之间的跳线分流器启用Rogue Master 0。通过移除跳线块E5引脚5和引脚6之间的跳线分流器启用Rogue Master1。正如网络中的两个板不应具有相同的节点ID一样，同一网络中的两板不应设置为相同的Rogue Master。否则，其中一个将错误地删除由另一个发起的数据包。
Packet failure
In order to provide tolerance for rogue packet failures, the circuit is included to allow it to run as one of the two rogue hosts. When a packet passes through another node, the rogue host will change each packet. If the same packet is returned to the rogue host for the second time, the rogue master device will recognize it as a rogue packet and delete it from the link. When a malicious packet is detected, set the malicious packet fault flag in the register named LISR. The assertion of a malicious packet fault bit can optionally assert a PCI interrupt to notify the host that the condition exists. Two rogue masters, rogue master 0 and rogue master 1, are provided to cross check each other. Enable Rogue Master 0 by removing the jumper shunt between pin 3 and pin 4 of jumper block E5. Enable Rogue Master1 by removing the jumper shunt between pin 5 and pin 6 of jumper block E5. Just as two boards in a network should not have the same node ID, two boards in the same network should not be set to the same Rogue Master. Otherwise, one of them will delete the packet initiated by the other by mistake.
开箱程序注意事项
产品上组装的某些部件可能对静电放电敏感，并且可能会在承受高能静电场的电路板上发生损坏。当电路板放置在工作台上进行配置等时，建议在电路板下方插入导电材料，以提供导电分流器。未使用的电路板应存放在装运时的相同保护箱中。收到后，应遵守装运集装箱中发现的任何预防措施。所有物品应仔细开箱，并彻底检查装运期间可能发生的损坏。应检查电路板是否有损坏的部件、损坏的印刷电路板、热损坏和其他可见污染。因运输损坏引起的所有索赔应提交给承运人，并向发送一份完整的报告以及关于损坏物品处置的建议请求。
Precautions for unpacking procedure
Some components assembled on the product may be sensitive to electrostatic discharge, and may be damaged on the circuit board that bears the high energy electrostatic field. When the circuit board is placed on the workbench for configuration, it is recommended to insert conductive materials under the circuit board to provide conductive shunt. Unused circuit boards shall be stored in the same protective box at the time of shipment. Upon receipt, observe any precautions found in the shipping container. All items shall be carefully unpacked and thoroughly inspected for possible damage during shipment. The circuit board should be checked for damaged components, damaged printed circuit boards, thermal damage and other visible contamination. All claims arising from transport damage shall be submitted to the carrier and a complete report shall be sent to the carrier with a request for advice on the disposal of the damaged items.
