因为端口正忙于处理传送请求。出现该错误时请检查“MB_MASTER“指令输入位”REQ“是否为上升沿触发,或是否有其它的多个“MB_MASTER”指令在执行。
Communication settings : Baud Rate :9600 (4800 option), stop bit :1, parity: none, slave ID : 1,data bits 8.i used MB_Master in S7 1200 PLC. when ever Req is triggred TX and RXis blinking in CM module but in MB_Master is showing Busy status not getting data.I used port ...
[root@master-server src]# wget https://www.percona.com/downloads/percona-toolkit/2.2.7/RPM/percona-toolkit-2.2.7-1.noarch.rpm [root@master-server src]# rpm -ivh percona-toolkit-2.2.7-1.noarch.rpm //安装后,percona-toolkit工具的各个组件命令就有有了(输入ht-,按TAB键就会显...
BusyNavigationBar - 进度条式NavigationBar导航条. LGSettingView - LGSettingView仅需三句代码即可快速集成设置界面,免去每次开发新应用都要重新布置设置界面的烦恼. 微博cell自动布局 - 使用autoLayout对微博的cell进行自动布局,自适应cell的高度. TreeTableView - ZYTreeTableView:TreeView 模仿好友列表的实现方式. ZW...
98 .read_busy(read_busy), 99 // Signals to checksum task logic 100 .data_in_ready(data_in_ready), // debug port 101 .data_to_process(incomming_data) //read master data to transform 102 ); 103 104 checksum_task_logic transform ( ...
BuSy主站读取进行ERROR主站读取错误STATUS主站读取状态5,启动写轮询操作常开主站读取完成并连主站读取错误,串连主站读取使能,置位主站写入使能,复位主站读取使能6,主站写入从站数据Modbus_Master(REQ主站写入使能)(MB_ADDR从站地址2)(MODE,1)(DATA_ADDR,1)(DATA_LEN,5)(DATA_PTR数据块,写入数据区)(DONE,主站写入...
busyC. happyD. excited ( )27. A. inB. withC. atD. from ( )28. A. readB. buyC. giveD. mail ( )29. A. tellB. teachC. watchD. visit ( )30. A. SoB. BecauseC. WhenD. Before ( )31. A. findB. lookC. liveD. pay ( )32. A. andB. butC. soD. or ( )33. A....
On the other hand, working parents are busy and have great pressure, so it is likely that they neglect their kids. Hence, to improve their relationship, parents could sit down and talk with their children, listen to their problems, help them and respect them. However, from my perspective,...
(1)Log中可明显看到权限不足的提示。此种情况一般是AndroidManifest.xml中缺少相应的权限设置,好好查找一番权限列表,应该就可解决,是最易处理的情况。 有时权限都加上了,但还是报权限不足,是什么情况呢?Android系统有一些API及权限是需要apk具有一定的等级才能运行的。比如SystemClock.setCurrentTimeMillis()修改系统...