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Database error: Invalid SQL: select count(id) from pwn_comment where pid='5325' and iffb='1'
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select count(id) from pwn_comment where pid='5325' and iffb='1') called at [D:\wwwroot\20911.net\includes\db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where pid='5325' and iffb='1') called at [D:\wwwroot\20911.net\comment\module\CommentContent.php:65] #2 CommentContent() called at [D:\wwwroot\20911.net\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\20911.net\comment\html\index.php:13]
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Warning: mysql_query() [function.mysql-query]: Unable to save result set in D:\wwwroot\20911.net\includes\db.inc.php on line 67
Database error: Invalid SQL: select * from pwn_comment where pid='5325' and iffb='1' order by id limit 0,10
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='5325' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\20911.net\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where pid='5325' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\20911.net\comment\module\CommentContent.php:167] #2 CommentContent() called at [D:\wwwroot\20911.net\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\20911.net\comment\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\20911.net\includes\db.inc.php on line 80
 客户点评-Performing Upkeep And Restore On Distant Gadgets From The Workplace Using A Pc And Browser Cut Back Assist Prices And Enhance Customer Support. Logging Onto A Plant`s Control System From Home Allows T威尼斯人视讯_威尼斯人视讯真人网址
 
 
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Performing Upkeep And Restore On Distant Gadgets From The Workplace Using A Pc And Browser Cut Back Assist Prices And Enhance Customer Support. Logging Onto A Plant`s Control System From Home Allows T
Performing upkeep and restore on distant gadgets from the workplace using a Pc and browser cut back assist prices and enhance customer support. Logging onto a plant`s control system from home allows the upkeep engineer to maximize his plant`s uptime and reduce the variety of occasions that he known as out from dwelling. Managing geographically distributed systems becomes easy utilizing commercially accessible web/intranet applied sciences. Combining a versatile, scaleable, and ubiquitous bodily community (Ethernet) with a universal networking standard (TCP/IP) and a vendor-impartial knowledge illustration (MODBUS® ) gives a really open, accessible community for change of course of knowledge. Modbus/TCP basically embeds a Modbus frame into a TCP body in a simple method. It is a connection-oriented transaction which suggests each query expects a response. This question/response technique fits nicely with the master/slave nature of Modbus, including to the deterministic advantage that Switched Ethernet presents industrial users. Using OPEN Modbus inside the TCP body provides a completely scaleable resolution from ten nodes to 10 thousand nodes without the danger of compromise that different multicast strategies would give. The performance basically will depend on the community and the hardware. In case you are working MODBUS® TCP/IP over the Web, you won`t get higher than typical Web response instances. However, for communicating for www.gamespot.com debug and maintenance purposes, this may be perfectly sufficient and prevent from having to catch a airplane or go to site on a Sunday morning! For a high-efficiency Intranet with high-velocity Ethernet switches to guarantee efficiency, the state of affairs is totally totally different. 360000 registers per second and the a hundred Base T speed is 10 x higher. This assumes that you`re using units that can service Ethernet as fast as bandwidth is out there. Sensible exams carried out by Schneider Automation utilizing a MOMENTUMTM Ethernet PLC with Ethernet I/O demonstrated that as much as 4000 I/O bases might be scanned per second, every I/O base having as much as sixteen 12-bit analog I/O or 32 discrete I/O. 4 bases might be updated in one millisecond. Whereas that is under the theoretical restrict calculated above, it have to be remembered that the tested device was operating with a lowly 80186 CPU running at 50Mhertz with an efficient computing energy of 3 MIPS (compared to the 700 MIPS of a 500MHz Pentium). Also, these results are nevertheless sooner than the proprietary I/O scan methods used so far. As low-finish CPU`s get cheaper, Momentum-sort units will chase the theoretical limit, though they`ll by no means reach it because the limit shall be continually pushed further away with 1 Gigabit Ethernet, 10 Gigabit Ethernet, etc. This is in distinction to other field-buses that are inherently caught at one pace. How can existing MODBUS devices talk over MODBUS TCP/IP? MODBUS® TCP/IP is just MODBUS® protocol with a TCP wrapper. It`s therefore extremely simple for present MODBUS® gadgets to speak over MODBUS® TCP/IP. To do this a gateway system is required to convert MODBUS protocol to MODBUS TCP/IP.
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