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产品详细资料
常见以太网故障排除下面介绍了一些常见的以太网错误。以太网错误通常显示在控制器故障表和以太网异常日志中。以太网接口生成的控制器故障在额外的故障数据中包含以太网异常事件。有关以太网异常事件的详细描述，请参阅《PACSystems TCP/IP Ethernet Communications Station Manager用户手册》GFK-2225。12.10.1 COMMREQ Fault Errors（COMMREQ错误）当PLC CPU试图以以太网接口无法接受的速度向以太网接口发起COMMREQ时，COMMREQ传递将失败。COMMREQ功能块的故障输出将被设置，COMMREQ不会被传送到以太网接口。在这种情况下，PLC逻辑程序应在极短的延迟后尝试在另一次扫描时启动COMMREQ。当逻辑程序试图在同一逻辑扫描中启动超过16个COMMREQ时，可能会出现这种情况。从PLC CPU到以太网接口的持续重COMMREQ传输可以使用以太网接口处理能力的相当一部分。在重COMMREQ负载下，以太网接口可能会丢弃一些接收到的COMMREQ，直到它能够再次处理更多的COMMREQ。在这种情况下，以太网接口增加“CmrqDscd”计数；该计数可通过tally C Station Manager命令获得。
Troubleshooting Common Ethernet Difficulties Some common Ethernet errors are described below. Ethernet errors are generally indicated in the Controller Fault Table and the Ethernet exception log. Controller Faults generated by the Ethernet interface contain Ethernet exception events within the extra fault data. Refer to the PACSystems TCP/IP Ethernet Communications Station Manager User Manual, GFK-2225 for detailed descriptions of Ethernet exception events. 12.10.1 COMMREQ Fault Errors When the PLC CPU attempts to initiate COMMREQs to the Ethernet interface more rapidly than the Ethernet interface can accept them, the COMMREQ delivery will fail. The fault output of the COMMREQ function block will be set and the COMMREQ will not be delivered to the Ethernet interface. In this case, the PLC logic program should attempt to initiate the COMMREQ on another sweep after a very short delay. This condition may arise when the logic Program attempts to initiate greater than 16 COMMREQs in the same logic sweep.Sustained heavy COMMREQ delivery from the PLC CPU to the Ethernet interface can use a considerable portion of the Ethernet interface’s processing capability. Under heavy COMMREQ load, the Ethernet interface may discard some received COMMREQs until it is once again able to process further COMMREQs. In such cases, the Ethernet interface increments the “CmrqDscd” tally; this tally is available via the TALLY C Station Manager command.
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●使用前:

在操作和维护，安装设备之前，请阅读并严格遵守安全相关的信息。

Read and strictly follow safety-related information before operatingmaintainingand installing equipment.

●使用者要求:

必须从事安装，组装或维护设备等相关工控电气机械以及其他相关技术的人员。

Must be engaged in the installation,assembly or maintenance of equipment and other related industriacontroeectrica machinery and other related technica personne.应用范围:

应用于品牌本系列工业以及生产生活自动化设备产品。

Used in the brand of this series of industriaand production automation eauipment products

适用于场景:系统集成，非标定制，产线升级改造，原设备电气替换等等。

Suitable for scenarios:system integration,non-standard customizationproduction line upgrading and transformation,electrical replacement of original equipment,etc.

●操作人员:

应该由本品牌专业培训操作员来安装、操作和维修设备。专业人员具有技术能力强，熟悉安全信息和安全实施:

熟悉设备的安装加工、操作和维护:熟悉处理所有的潜在危险情况。

Equipment should be installed,operated and maintained by trained operators from the brand

●危险情况

警告

.请注意使用人员的人身安全。

●除了产品特性以及功能，还需了解产品的使用寿命环境。

●充分学习产品使用手册，否则非专业人员可能会造成人身危险。

Study the product instruction manual thoroughlyotherwise it may cause personal danger to non-professionals.

●服务行业

适用水泥，木业，石业，橡胶，石油，化工，发电，环保，水处理，制冷，交通，钢铁，食品，饮料，船舶，制冷等行业

Applicable to cementwood,stone,rubber,petroleumchemical, power generation