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Database error: Invalid SQL: select count(id) from pwn_comment where iffb='1' and catid='11' and pid='0'
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 iffb='1' and catid='11' and pid='0') called at [/home/wwwroot/zjledq.com/includes/db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where iffb='1' and catid='11' and pid='0') called at [/home/wwwroot/zjledq.com/comment/module/CommentClass.php:36] #2 CommentClass() called at [/home/wwwroot/zjledq.com/includes/common.inc.php:518] #3 printpage() called at [/home/wwwroot/zjledq.com/comment/html/index.php:13]
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Database error: Invalid SQL: select count(id) from pwn_comment where pid='289870' 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='289870' and iffb='1') called at [/home/wwwroot/zjledq.com/includes/db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where pid='289870' and iffb='1') called at [/home/wwwroot/zjledq.com/comment/module/CommentContent.php:65] #2 CommentContent() called at [/home/wwwroot/zjledq.com/includes/common.inc.php:518] #3 printpage() called at [/home/wwwroot/zjledq.com/comment/html/index.php:13]
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Database error: Invalid SQL: select * from pwn_comment where pid='289870' and iffb='1' order by id limit 0,10
MySQL Error: 1032 (Can't find record in 'pwn_comment')
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='289870' and iffb='1' order by id limit 0,10) called at [/home/wwwroot/zjledq.com/includes/db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where pid='289870' and iffb='1' order by id limit 0,10) called at [/home/wwwroot/zjledq.com/comment/module/CommentContent.php:167] #2 CommentContent() called at [/home/wwwroot/zjledq.com/includes/common.inc.php:518] #3 printpage() called at [/home/wwwroot/zjledq.com/comment/html/index.php:13]
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The HART® Protocol Is A Strong Communication Technology Used To Realise The Total Potential Of Digital Area Devices While Preserving The Standard 4-20mA Signal. The HART® Protocol Extends The System C
The HART® protocol is a strong communication technology used to realise the total potential of digital area devices while preserving the standard 4-20mA signal. The HART® protocol extends the system capabilities for 2 approach digital communication with smart instruments. HART® gives the perfect answer for good field system communications and https://public.sitejot.com/beetchard06.html has the widest base of help of any field system protocol worldwide. Extra instruments are available with the HART® protocol than any other digital communications technology. Nearly any course of software will be addressed by one of the products supplied by HART® instrument suppliers. In contrast to different digital communication strategies the HART protocol offers a novel communication solution that it is backward compatible with currently put in instrumentation. This ensures that investments in current cabling and present control strategies stay secure into the long run. The HART® digital sign is superimposed onto the standard 4-20mA sign. It makes use of Bell 202 commonplace Frequency Shift Keying (FSK) signal to speak at 1200 baud. The digital sign is made up of two frequencies, 1200Hz and 2200Hz, representing bits 1 and 0 respectively. Sine waves of these two frequencies are superimposed onto the analogue sign cables to offer simultaneous analogue and digital communications. As the typical worth of the FSK sign is at all times zero there isn`t any effect on the 4-20mA analogue sign. A minimal loop impedance of 230ohms is required for communication. HART® is a grasp-slave protocol - because of this a area system only replies when it`s spoken to. Up to 2 masters can join to each HART® loop. The first grasp is usually the DCS (Distributed Management System), the PLC (Programmable Logic Controller) or a Laptop. The secondary grasp can be a hand held configurator or one other Pc running an instrument maintenance software program package deal. Slave units embrace transmitters, actuators and controllers that respond to commands from the first or secondary master. The digital communication signal has a response time of approx. 2-three updates per second with out interrupting the analogue sign. The HART® protocol offers uniform and constant communication for all subject gadgets by way of the HART® command set. All units using the HART® protocol must recognise and assist these commands. They supply access to information useful in regular operations. These provide capabilities carried out by many but not all HART® communication units. These represent features which can be unique to every subject gadget. They entry set up and calibration information as well as data on the construction of the machine. The HART® Communication Protocol is an open standard owned by greater than a hundred member firms in the HART® Communication Basis HCF.
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