Categories: 学习经验

西门子PID功能块FB58(TCONT_CP)高级功能

<p><a href&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;tag&sol;fb58&sol;" title&equals;"查看与 FB58 相关的文章" target&equals;"&lowbar;blank"><span class&equals;"tag-key">FB58<&sol;span><&sol;a> &OpenCurlyDoubleQuote;<a href&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;tag&sol;tcont&lowbar;cp&sol;" title&equals;"查看与 TCONT&lowbar;CP 相关的文章" target&equals;"&lowbar;blank"><span class&equals;"tag-key">TCONT&lowbar;CP<&sol;span><&sol;a>&OpenCurlyDoubleQuote;与FB41&OpenCurlyDoubleQuote;CONT&lowbar;C”相比增加了如表1&period;所示的功能,本文将以表1&period;为引导,逐一描述<&sol;p>&NewLine;<p>表1&period; FB58 &OpenCurlyDoubleQuote;<a href&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;tag&sol;tcont&lowbar;cp&sol;" title&equals;"查看与 TCONT&lowbar;CP 相关的文章" target&equals;"&lowbar;blank"><span class&equals;"tag-key">TCONT&lowbar;CP<&sol;span><&sol;a>&OpenCurlyDoubleQuote;与FB41&OpenCurlyDoubleQuote;CONT&lowbar;C”功能对比<&sol;p>&NewLine;<table border&equals;"1" width&equals;"100&percnt;">&NewLine;<tbody>&NewLine;<tr>&NewLine;<th scope&equals;"col" width&equals;"33&percnt;"><&sol;th>&NewLine;<th scope&equals;"col" width&equals;"33&percnt;"><span style&equals;"font-size&colon; 10pt&semi;">FB41<&sol;span><&sol;th>&NewLine;<th scope&equals;"col" width&equals;"33&percnt;"><span style&equals;"font-size&colon; 10pt&semi;">FB58<&sol;span><&sol;th>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<th scope&equals;"row"><span style&equals;"font-size&colon; 10pt&semi;">过程I&sol;O处理<&sol;span><&sol;th>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">&Sqrt;&lt&semi;<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">增加PER&lowbar;MODE<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<th scope&equals;"row"><span style&equals;"font-size&colon; 10pt&semi;">设定值弱化<&sol;span><&sol;th>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">-<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">&Sqrt;<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<th scope&equals;"row"><span style&equals;"font-size&colon; 10pt&semi;">积分保持<&sol;span><&sol;th>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">&Sqrt;<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">增加正&sol;反向保持<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<th scope&equals;"row"><span style&equals;"font-size&colon; 10pt&semi;">控制带<&sol;span><&sol;th>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">-<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">&Sqrt;<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<th scope&equals;"row"><span style&equals;"font-size&colon; 10pt&semi;">自整定<&sol;span><&sol;th>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">-<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">&Sqrt;<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<th scope&equals;"row"><span style&equals;"font-size&colon; 10pt&semi;">参数装载&sol;保存&sol;重载<&sol;span><&sol;th>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">-<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">&Sqrt;<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<th scope&equals;"row"><span style&equals;"font-size&colon; 10pt&semi;">PWM<&sol;span><&sol;th>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">-<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">&Sqrt;<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<th scope&equals;"row"><span style&equals;"font-size&colon; 10pt&semi;">无扰切换<&sol;span><&sol;th>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">手动&srarr;自动<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">&Sqrt;<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<&sol;tbody>&NewLine;<&sol;table>&NewLine;<p>注:过程I&sol;O已经在前面的文档里描述,故不再重复<&sol;p>&NewLine;<h3>设定值弱化PFAC&lowbar;SP<&sol;h3>&NewLine;<p>PFAC&lowbar;SP&equals;1&period;0 设定值发生变化,比例作用发挥全部作用;<&sol;p>&NewLine;<p>PFAC&lowbar;SP&equals;0&period;0 设定值发生变化,比例作用不发挥任何作用。<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1495 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;01FB58PFAC11&period;png" alt&equals;"FB58 &OpenCurlyDoubleQuote;TCONT&lowbar;CP&OpenCurlyDoubleQuote;&colon; PFAC&lowbar;SP&equals;1&period;0" width&equals;"559" height&equals;"178" &sol;><&sol;p>&NewLine;<p>图1&period; FB58 &OpenCurlyDoubleQuote;TCONT&lowbar;CP&OpenCurlyDoubleQuote;&colon; PFAC&lowbar;SP&equals;1&period;0<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1496 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;02FB58PFAC00&period;png" alt&equals;"FB58 &OpenCurlyDoubleQuote;TCONT&lowbar;CP&OpenCurlyDoubleQuote;&colon; PFAC&lowbar;SP&equals;0&period;0" width&equals;"564" height&equals;"175" &sol;><&sol;p>&NewLine;<p>图2&period; FB58 &OpenCurlyDoubleQuote;TCONT&lowbar;CP&OpenCurlyDoubleQuote;&colon; PFAC&lowbar;SP&equals;0&period;0<&sol;p>&NewLine;<h3>积分保持<&sol;h3>&NewLine;<p>FB58 &OpenCurlyDoubleQuote;TCONT&lowbar;CP&OpenCurlyDoubleQuote;积分保持增加了正&sol;反向积分保持功能<&sol;p>&NewLine;<p>正向积分保持:ER&gt&semi;0&comma;积分作用冻结<&sol;p>&NewLine;<p>反向积分保持:ER&lt&semi;0&comma;积分作用冻结<&sol;p>&NewLine;<p>表2&period;积分保持<&sol;p>&NewLine;<table border&equals;"1" width&equals;"100&percnt;">&NewLine;<tbody>&NewLine;<tr>&NewLine;<th scope&equals;"col" width&equals;"33&percnt;"><&sol;th>&NewLine;<th scope&equals;"col" width&equals;"33&percnt;"><span style&equals;"font-size&colon; 10pt&semi;">INT&lowbar;HPOS<&sol;span><&sol;th>&NewLine;<th scope&equals;"col" width&equals;"33&percnt;"><span style&equals;"font-size&colon; 10pt&semi;">INT&lowbar;HNEG<&sol;span><&sol;th>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">正向保持<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">1<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">0<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">反向保持<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">0<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">1<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<tr>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">积分保持<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">1<&sol;span><&sol;td>&NewLine;<td><span style&equals;"font-size&colon; 10pt&semi;">1<&sol;span><&sol;td>&NewLine;<&sol;tr>&NewLine;<&sol;tbody>&NewLine;<&sol;table>&NewLine;<p>下图由WINCC截取各个积分保持的曲线:<&sol;p>&NewLine;<p>黑色&lpar;SP&rpar;:设定值<&sol;p>&NewLine;<p>红色&lpar;PV&rpar;:当前值<&sol;p>&NewLine;<p>蓝色&lpar;OUT&rpar;:PID输出<&sol;p>&NewLine;<p>粉色&lpar;I&rpar;:积分分量<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1497 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;03FB58INTPOS&period;jpg" alt&equals;"FB58正向积分保持" width&equals;"907" height&equals;"561" &sol;><&sol;p>&NewLine;<p>图3&period;正向积分保持<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1498 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;04FB58INTNEG&period;jpg" alt&equals;"FB58反向积分保持" width&equals;"905" height&equals;"561" &sol;><&sol;p>&NewLine;<p>图4&period; 反向积分保持<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1499 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;05FB58INTNN&period;jpg" alt&equals;"FB58积分保持" width&equals;"907" height&equals;"560" &sol;><&sol;p>&NewLine;<p>图5&period;积分保持<&sol;p>&NewLine;<h3>控制带CON&lowbar;ZONE<&sol;h3>&NewLine;<p><a href&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;tag&sol;&percnt;e6&percnt;b8&percnt;a9&percnt;e5&percnt;ba&percnt;a6&percnt;e6&percnt;8e&percnt;a7&percnt;e5&percnt;88&percnt;b6&sol;" title&equals;"查看与 温度控制 相关的文章" target&equals;"&lowbar;blank"><span class&equals;"tag-key">温度控制<&sol;span><&sol;a>回路是一个有明显滞后特性的对象,这给实际的调节过程带来了很多的问题,最显著的困难就是在过程值偏离设定值较大时,调节过程过于缓慢,而在接近设定值时容易出现较大的超调。<br &sol;>&NewLine;从上述的两个问题出发,PID应该满足这样的功能:<&sol;p>&NewLine;<p>1,在偏差超过一定的范围时,PID输出最大或者最小的调节量,让温度值快速回到一个小的范围中,以缩短回路的调节时间;<&sol;p>&NewLine;<p>2,在设定值附近时,越靠近调节量变化越小,以防止超调。<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1500 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;06FB58CONZ&period;png" alt&equals;"FB58控制带" width&equals;"487" height&equals;"186" &sol;><&sol;p>&NewLine;<p>图6,控制带<&sol;p>&NewLine;<p>由上图可见:<&sol;p>&NewLine;<p>1,PV&gt&semi;SP&lowbar;INT&plus;CONE&lowbar;ZONE&semi; LMN&equals;LMN&lowbar;LLM<&sol;p>&NewLine;<p>2,PV&lt&semi;SP&lowbar;INT&plus;CONE&lowbar;ZONE&semi; LMN&equals;LMN&lowbar;HLM<&sol;p>&NewLine;<p>3,&period;SP&lowbar;INT-CON&lowbar;ZONE &lt&semi; PV &lt&semi; SP&lowbar;INT&plus;CON&lowbar;ZONE&semi; LMN&equals;LMN&lowbar;sum<&sol;p>&NewLine;<p>下图由WINCC截取死区的控制曲线:<&sol;p>&NewLine;<p>黑色&lpar;SP&rpar;:设定值<&sol;p>&NewLine;<p>红色&lpar;PV&rpar;:当前值<&sol;p>&NewLine;<p>蓝色&lpar;OUT&rpar;:PID输出<&sol;p>&NewLine;<p>粉色&lpar;I&rpar;:积分分量<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1501 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;07FB58CONZ&lowbar;WINCC&period;jpg" alt&equals;"FB58控制带控制方式" width&equals;"907" height&equals;"560" &sol;><&sol;p>&NewLine;<p>图7&period; 控制带控制方式<&sol;p>&NewLine;<h3>自整定<&sol;h3>&NewLine;<p>FB58 &OpenCurlyDoubleQuote;TCONT&lowbar;CP&OpenCurlyDoubleQuote;功能块自带自整定功能。<&sol;p>&NewLine;<p>自整定有如下几种整定方式:<&sol;p>&NewLine;<p>1,使用设定值阶跃变化,通过逼近工作点来实现整定;<&sol;p>&NewLine;<p>2,通过设置一个起始位,在工作点上进行整定;<&sol;p>&NewLine;<p>注&colon; 以上两种方式均可在控制面板或程序内实现。<&sol;p>&NewLine;<p>自整定可整定如下参数:<&sol;p>&NewLine;<p>1&comma;PFAC&lowbar;SP&semi;<&sol;p>&NewLine;<p>2&comma;比例参数GAIN&semi;<&sol;p>&NewLine;<p>3&comma;积分时间TI&semi;<&sol;p>&NewLine;<p>4&comma;微分时间TD&semi;&lpar;仅PID参数整定&rpar;<&sol;p>&NewLine;<p>5&comma;微分因子D&lowbar;F&semi;<&sol;p>&NewLine;<p>6&comma;控制带开&sol;关CONZ&lowbar;ON&equals;1&semi;&lpar;仅PID参数整定&rpar;<&sol;p>&NewLine;<p>7&comma;控制带宽度CON&lowbar;ZONE&semi;&lpar;仅PID参数整定&rpar;<&sol;p>&NewLine;<h3>通过控制面板自整定<&sol;h3>&NewLine;<p>如下图示所,通过面板做自整定&colon;<&sol;p>&NewLine;<p>注&colon; 以STEP 7 V5&period;5为例<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1502 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;08FB58SELFTUN1&period;jpg" alt&equals;"FB58自整定控制面板" width&equals;"495" height&equals;"580" &sol;><&sol;p>&NewLine;<p>图8&period; 自整定控制面板<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1503 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;09FB58SELFTUN2&period;png" alt&equals;"FB58自整定介绍" width&equals;"493" height&equals;"343" &sol;><&sol;p>&NewLine;<p>图9&period; 自整定介绍&period; 单击Next,下一步<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1504 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;10FB58SELFTUN3&period;png" alt&equals;"FB58整定控制器参数选择" width&equals;"492" height&equals;"343" &sol;><&sol;p>&NewLine;<p>图10 &period;整定控制器参数选择 &period; 单击Next,下一步<&sol;p>&NewLine;<p>a&period; PID参数整定,包含控制带及微分参数&semi;<&sol;p>&NewLine;<p>b&period;PI参数整定 ,不包含控制带及微分参数&period;<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1505 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;11FB58SELFTUN6&period;png" alt&equals;"FB58自整定激励方式" width&equals;"490" height&equals;"343" &sol;><&sol;p>&NewLine;<p>图11&period; 自整定激励方式 &period; 单击Next,下一步<&sol;p>&NewLine;<p>a&period; 使用设定值阶跃变化,通过逼近工作点来实现整定;<&sol;p>&NewLine;<p>b&period; 通过设置一个起始位,在工作点上进行整定&period;<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1506 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;12FB58SELFTUN4&period;png" alt&equals;"FB58过程激励" width&equals;"501" height&equals;"362" &sol;><&sol;p>&NewLine;<p>图12&period; 过程激励&period; 单击Next,下一步<&sol;p>&NewLine;<p>a&period; 设定值<&sol;p>&NewLine;<p>1,当在上一步选择"Tune at the operating point by setting a start bit"&comma; 无法修改;<&sol;p>&NewLine;<p>2,当在上一步选择"Tune by approaching the operating point with a setpoint step change"&comma;可修改设定值阶跃值&period;<&sol;p>&NewLine;<p>b,输出值阶跃&lpar;TUN&lowbar;DLMN&rpar;&colon;<&sol;p>&NewLine;<p>当进行整定后进入PHASE 2,LMN&equals;LMN0&plus;TUN&lowbar;DLMN (为阶跃值)&period;<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1507 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;13FB58SELFTUN5&period;png" alt&equals;"FB58自整定结果" width&equals;"494" height&equals;"346" &sol;><&sol;p>&NewLine;<p>图13&period; 自整定结果<&sol;p>&NewLine;<p>a,整定结果<&sol;p>&NewLine;<p>b,控制器类型<&sol;p>&NewLine;<h3>通过程序块自整定<&sol;h3>&NewLine;<p>同样也可以通过程序块进行自整定,步骤如下:<&sol;p>&NewLine;<p>1&period;设置TUN&lowbar;ON&equals;TURE,准备整定控制器。控制器从阶段0切换到阶段1。<&sol;p>&NewLine;<p>2&period;在阶段1中等待一段时间后,在SP&lowbar;INT参数设置一个设定值阶跃变化,或者设置TUN&lowbar;ST&equals;TURE。控制器输出一个由数值TUN&lowbar;DLMN改变了的可调节变量,然后开始搜索拐点。<&sol;p>&NewLine;<h3>设定值阶跃自整定方式<&sol;h3>&NewLine;<p>由WINCC截图可看设定值阶跃自整定&colon;<&sol;p>&NewLine;<p>设定值&lpar;SP&rpar;&colon;红色<&sol;p>&NewLine;<p>反 馈 &lpar;PV&rpar;&colon;绿色<&sol;p>&NewLine;<p>输 出 &lpar;LMN&rpar;&colon;深蓝色<&sol;p>&NewLine;<p>自整定整定阶段&lpar;PHASE&rpar;&colon;浅蓝色<&sol;p>&NewLine;<p>自整定启动&lpar;TUN&lowbar;ON&rpar;&colon;紫色<&sol;p>&NewLine;<p>整定结果&lpar;STAUTS&lowbar;H&rpar;&colon;黄色<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1508 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;14FB58SP&lowbar;JUMP&period;png" alt&equals;"FB58设定值阶跃自整定方式" width&equals;"1009" height&equals;"480" &sol;><&sol;p>&NewLine;<p>图14&period; 设定值阶跃自整定方式<&sol;p>&NewLine;<h3>工作点自整定方式<&sol;h3>&NewLine;<p>由WINCC截图可看设定值阶跃自整定&colon;<&sol;p>&NewLine;<p>设定值&lpar;SP&rpar;&colon;红色<&sol;p>&NewLine;<p>反 馈 &lpar;PV&rpar;&colon;绿色<&sol;p>&NewLine;<p>输 出 &lpar;LMN&rpar;&colon;深蓝色<&sol;p>&NewLine;<p>自整定整定阶段&lpar;PHASE&rpar;&colon;浅蓝色<&sol;p>&NewLine;<p>自整定启动&lpar;TUN&lowbar;ON&rpar;&colon;紫色<&sol;p>&NewLine;<p>整定结果&lpar;STAUTS&lowbar;H&rpar;&colon;黄色<&sol;p>&NewLine;<p><img class&equals;"aligncenter wp-image-1509 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;15FB58SP&lowbar;JUMP2&period;jpg" alt&equals;"FB58工作点自整定方式" width&equals;"900" height&equals;"368" &sol;><&sol;p>&NewLine;<p>图15&period; 工作点自整定方式<&sol;p>&NewLine;<h3>自整定过程PHASE<&sol;h3>&NewLine;<p>由以上两图可知&comma;当激活自整定后,主要有4个阶段&colon;<&sol;p>&NewLine;<p>PHASE 1&colon;TUN&lowbar;ON&equals;TRUE&comma;进入PHASE 1 LMN当前值写入&period;DBD220&lpar;LMN0&rpar;&semi;<&sol;p>&NewLine;<p>PHASE 2&colon;由SP&lowbar;INT的阶跃变化或TUN&lowbar;ST触发整定,进入PHASE 2,搜索拐点LMN&equals;LMN0&plus;TUN&lowbar;DLMN&semi;<&sol;p>&NewLine;<p>PHASE 3~5&colon;参数整定,当PV值超过了SP值阶跃变化的75&percnt;,整定结束。始终以自动方式启动,并且LMN&equals;LMN0&plus;0&period;75&ast;TUN&lowbar;DLMN(即使整定前处于手动模式)<&sol;p>&NewLine;<p>PHASE 7&colon;检查过程类型<&sol;p>&NewLine;<p>注意事项&colon;<&sol;p>&NewLine;<p>1&comma;设定值阶跃和TUN&lowbar;DLMN必须合适匹配,如果TUN&lowbar;DLMN太高,设定值阶跃变化的75&percnt;范围内找不到拐点;<&sol;p>&NewLine;<p>2&comma;TUN&lowbar;DLMN必须足够高,以便过程变量可以至少达到设定值阶跃变化的22&percnt;,否则可能会一直停留在PHASE 2。<&sol;p>&NewLine;<h2>自整定出错状态和纠正方法<&sol;h2>&NewLine;<p><img class&equals;"aligncenter wp-image-1510 size-full" src&equals;"https&colon;&sol;&sol;www&period;xuezdh&period;com&sol;wp-content&sol;uploads&sol;2021&sol;02&sol;16FB58error&period;png" alt&equals;"FB58自整定常见问题" width&equals;"1204" height&equals;"504" &sol;><&sol;p>&NewLine;<p>图16&period; 自整定常见问题<&sol;p>&NewLine;<p>注意&colon;<&sol;p>&NewLine;<p>1&comma;同时置位TUN&lowbar;ON和TUN&lowbar;ST,系统始终处于PHASE1,无法启动自整定&semi;<&sol;p>&NewLine;<p>2&comma;当有效的TUN&lowbar;DLMN&lt&semi;5&percnt;时(阶段1结束),STATUS&lowbar;H&equals;30002,整定被终止&semi;<&sol;p>&NewLine;<p>3&comma;采样时间CYCLE和CYCLE&lowbar;P之间的差值超过了5&percnt;, STATUS&lowbar;H&equals;30005,整定被终止。<&sol;p>&NewLine;

最新文章

西门子TIA Portal V16虚拟机分享,含更新

Windows操作系统版本 W…

7 月 ago

西门子TIA Portal V21虚拟机分享下载

Windows操作系统版本 V…

7 月 ago

S7-200 SMART V3.0 新增功能

只有固件版本为 V3.0 的 …

1 年 ago