Date: 8/30/2024File:FCFBs.1SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives功能和功能块功能和功能块怕里慎躺戚瞧凑书容遗看急绅贮脆仟野盅左形良呀拷桂俯瓣侈淳卜冯昼减功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.2SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives目标学习了本章之后，你将学习了本章之后，你将 ......熟悉临时变量的用途...能够声明临时变量并在程序中使用...熟悉可赋值参数的块的用途...能够编程可赋值参数的功能和它们的调用...了解功能(FC)和功能块(FB)之间的差别...熟悉背景模型和多重背景模型...熟悉静态变量的用途...能够声明静态变量并在程序中使用...能够编程可赋值参数的功能块和它们的调用参批黔厢涯蜘傀侠泉危薯按鞭络廷尼左忽霞酣伎浙耍咋买夫缀阜戮赠耍诸功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.3SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives局部变量局部变量临时变量临时变量• 当相关块执行完毕后被清除 • 临时存储在 L stack中• 可在下列块中使用 OB / FC / FB静态变量静态变量•当相关块执行完毕后仍然 保留• 永久存储在DB中• 只能在FB中使用局部变量局部变量 / / 数据数据(只在一个块中有效)全局变量全局变量/ /数据数据(在全部程序中有效) • PII / PIQ• I/ O• M / T / C• DB 区符号地址符号地址绝对地址绝对地址访问方式访问方式迭秃独惩薯驮肾渗封牟秩辣规莱镭甫忿鸭淹地亢陷耻悍涸袭在卞浦比增波功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.4SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives临时变量临时变量柔军怖淬迄厢砷迟帽振夕蹲涩凸铃饰搞逼换扶哩躯辛抽檬真值徽抨靳丘猴功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.5SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives256 Bytes事件所占用的 L stack1OB1OB 11操作系统程序所占用的局部数据区的总长度程序所占用的局部数据区的总长度FC 20有临时变量OB1FC20FC1733OB1FC1744OB1FC1766FC 20有临时变量OB1FC20FC1755FC 17有临时变量2OB1FC1727OB17航瞒歪汲祝冷鲁渭包牺哮宁廖蚁辗假需搜冶膘存往姓忱哎咱不笨衔霉蓄鸿功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.6SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives执行的程序执行的程序局部数据堆栈的大小局部数据堆栈的大小对于对于 S7-300:局部堆栈大小局部堆栈大小优先级优先级256 bytes127总容量总容量: : 1.5 Kbyte(CPU 313..316)启动程序启动程序 ( (只执行一次只执行一次) )循环扫描程序循环扫描程序256 bytes256 bytes256 bytes1232时间中断时间中断日时钟中断日时钟中断延时处理中断延时处理中断循环处理中断循环处理中断循环扫描中的错误处理中断循环扫描中的错误处理中断256 bytes162826256 bytes事件驱动中断事件驱动中断硬件中断硬件中断启动过程中的错误处理中断启动过程中的错误处理中断天糟梅鲤整应纷夫恳敏尖乓堂团岁缀谬耿誓验骚霜魁荡慧一铰痢耗赚膜动功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.7SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives块所需要的局部数据区的长度块所需要的局部数据区的长度Right Click仲频奖涪算焊吧垫挂厂糟宅哦秃夸嘿杂惦厉椰礼擒吵邦垢育诈构仕诗砾赛功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.8SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives练习练习: 使用临时变量使用临时变量#Setpoint#Setpoint替换为临时变量替换为临时变量#Setpoint吝酵剂骄庶师唇傲棍碑鸦暑或碟硅颂管飞矣孽罩键帘读量有晕弹靶妒访蝉功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.9SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives示例：用输出示例：用输出 LED故障信息指示故障信息指示Fault_SignalDisplayAcknowledgeStored_Fault要求要求解决方案解决方案AcknowledgeStored_FaultFault_SignalStored_FaultFault_SignalDisplayEdge_MemoryFlash_FrequencyPRSSRQ捍盐簇免拉父粥楷天砒映喷盲缆鲸苏娜痰竭桂巡酬呼防触推旬哀狮专董娇功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.10SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and DrivesFault_SignalEdge_MemoryAcknowledgeStored_FaultDisplayFlash_freqFC 20调用调用FC 20 (e.g. in OB 1)可以分配参数的块可以分配参数的块A(AI1.0RM40.0AI1.1FP M40.1SM 40.0AM40.0)AM10.3OA I1.1AN M40.0=Q5.1不可以不可以分配参数的块分配参数的块形式参数形式参数M 40.0M 40.1I 1.3I 1.0Q 5.1M 10.3实际参数实际参数A(A#AcknowledgeR#Stored_FaultA#Fault_SignalFP #Edge_MemoryS#Stored_Fault A#Stored_Fault)A#Flash_Freq.OA #Fault_SignalAN#Stored_Fault=#Display 可以分配参数的块可以分配参数的块FC 20 的的 STL程序程序赁斡装违漆斥磋觅雪咕浇堂儡坪石蒜议沮缔均会寻笨瞩瞧恭英赚张盗刃咳功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.11SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives定义定义FC 20形式参数形式参数使用方法使用方法图形显示图形显示只能读在块的左侧只能写在块的右侧 参数类型参数类型输入参数输出参数输入/输出 参数 定义定义inoutIn_out可读/可写在块的左侧 形式参数形式参数捌牙莉卤图鞭略绩蔬屎再巷系淑蘑介记遁幂缅乍节拙势钵塌勋钠叁挪镐叔功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.12SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives编辑可以分配参数的块编辑可以分配参数的块液此腕凭燕搪揖蘑唐简休酸獭撂烤阑粳讶酝甲简翱乞警絮富桐状侨湾俩找功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.13SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives调用可以分配参数的块调用可以分配参数的块荷足漏撤插弃陕达杉释超呕篡严拓刀障伯盂算悬浮钮嵌荐抄捞廉鱼蕊嘿奈功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.14SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives练习练习: 编辑可以分配参数的编辑可以分配参数的FC块块强碍键症鳃尸栽通辟奉芒刑馋罕嘴链落恋八绽吱耐辖沽衷修泪滓恼才剃拌功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.15SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives练习练习: 调用调用可以分配可以分配参数的参数的FC块块第一次调用第一次调用FC20时时的参数分配的参数分配 第二次调用第二次调用FC20时时的参数分配的参数分配止溅苦牵儿金翰宜坪怂脚粘予蔽臣牡磊输字芭棉熙相登氮渗贝恐疆盾瑟阵功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.16SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives功能块功能块 ( FB )DB 2OB 1FB块的变量声明表块的变量声明表 FB 20ENFault_SignalAcknowledgeDisplayFlash_FrequencyENO阔赁女满杭轴趣蓝熔浸守烦供筐撩湍条逻刮印舍淑广占跳阿矽割辗潦污孽功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.17SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives用功能块实现的故障信息显示用功能块实现的故障信息显示FB的声明表背景数据块咆咒畦篆屠军丈忠旦笛炬汝溯妄采孩疯篙投旺镇喝欠酉祸歼谬澎植摈薄尘功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.18SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives生成背景数据块生成背景数据块1. 在在FB调用时生成背景数据块调用时生成背景数据块2. 创建一个新的背景数据块创建一个新的背景数据块 在 LAD/STL/FBD Editor在 SIMATIC Manager沉媳咕霄景窍麓肥头摊地某钙收缝狰销蕉龄蝴雌伎骏借渍峨践沸沿诛啥陶功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.19SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives之后插入之后插入/ /删除块的参数删除块的参数Save罐萄欲祝宙辨怀邪馋瀑森瑞晤礼稳减随虫巾樱钱阎运杠响湘诗斋彬庭飘辉功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.20SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives检查块的一致性检查块的一致性奶食匆沧损仪美疏琐杆搽详舔颂坑缺查掷胜甘玫种胸膊泳添普蹄鼠赂沿樊功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.21SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives调用被修改过的块时应做的更正调用被修改过的块时应做的更正单击鼠标右键单击鼠标右键拉苍处逊霸拔鸡湛乳产芍棺悬掏诧滤一甸苦腻衷太呈悬丈陵部责油彤韭恫功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.22SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives练习练习: 编辑功能块编辑功能块广藉纠窜碎诸卸脂行僻徐茄哺书泣撒鳖将豪性抚挫润邮粤量艾既搭诗丝层功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.23SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives练习练习: 调用调用功能块并测试功能块并测试添加添加 Network 2 & 3删除删除Network 2钉晓玉姨耍溢穗员镜叶藕遇镊笆抒郁扒芍初匹谬绳褐徒晕退嘛肤掉名讶淆功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.24SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives多重背景模型多重背景模型DB10普通背景模型普通背景模型 FB20OB 1Call FB20, DB10Disturb._Input:=Acknowledge:=Flash_Freq:=Display:=DB11FB20Call FB20, DB11Disturb._Input:=Acknowledge:=Flash_Freq:=Display:=DB12FB20Call FB20, DB12Disturb._Input:=Acknowledge:=Flash_Freq:=Display:=多重背景模型多重背景模型 FB 100DB100Call FB100, DB100OB 1statDist_1FB20statDist_2FB20第二次调用 FB20的参数和静态参数Call Dist_2Disturb._Input:=Acknowledge:=Flash_Freq:=Display:=第一次调用 FB20的参数和静态参数Call Dist_1Disturb._Input:=Acknowledge:=Flash_Freq:=Display:=吃龋辕争豪砖熏媚跺泡酷吭窘喻漳聚居痹央查男腻巾祖桌棕幸掀锭授弧罪功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.25SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives练习练习: 识别变量的类型识别变量的类型AbsoluteSymbolicTemporaryStaticParameterL #Number_1T #Maximum_valueT MW 40StatementL #Number_2L #Intermediate_resultL “Number_1”T #Number_2GlobalLocal置叹厨琶疏掉遁刚吉载跨橡蛙胯邓孟妮吸翅帅雄枝况寡药疾称枚企扑烹沟功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.26SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and DrivesLAD/FBDSTL在块调用时使用在块调用时使用EN/ENO参数参数CALLFC1 NOP 0例子?? . ?FC 1ENENOFC 2ENENOFC 3ENENO=FC 1ENENO?? . ?无条件调用AI 0.1 JNB_001 CALLFC1 _001:A BR =Q 5.0FC 1ENENOI 0.1=Q 5.0条件调用仆皖界阮稳囊次釉工扣诸织始路倦生型唁谰小矽咋柯五惠巳弄叉淖筏慌曼功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.27SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives总结总结: 块的调用块的调用• UC FC1• CC FC1• CALL FC1STLLADFBDFC1ENENOFC1ENENOFC1 ( CALL ) FB无参数，无静态参数• UC FB1• CC FB1• CALL FB1, DB2CALL有参数• CALL FC2 Par1: ... Par2: ... Par3: ...FC2ENENOPar3Par1Par2FC2ENENOPar1Par2Par3有参数，和/或静态参数• CALL FB2, DB3 Par1: ... Par2: ... Par3: ...FB2ENENOPar3Par1Par2DB3FB2ENENOPar3Par1Par2DB3无参数语言FCFC1FB1ENENODB2FB1ENENODB2狠狙佣泌狂祥湘骂狂鹰到阔涤来锤蘑挎乡佩绍肉隙儒另梨册硬雏构玖泄卯功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.28SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives练习（选作）: 多台设备的风扇监控功能A B C =1 S_ODT TIMER_NO ACKN SIG & A B C R S Q >=1FLT FC 8 REPORTA B C ACKN TIMER_NO TVFLT SIG 功能 符号介骏帚贿负潦某萌簇夏奉闯暑幕炯辛份羽脚毅屡论屋沥晰沟卢招食慨贰鉴功能和功能块ST-7SERV2 Date: 8/30/2024File:FCFBs.29SIMATIC® S7Siemens AG 2003. All rights reserved.SITRAIN Training for Automation and Drives练习（选作）: 风扇监控功能的扩展 A B C =1 S_ODT TIMER_NO ACKN SIG & A B C R S Q >=1FLT FC 8 REPORTA B C ACKN TIMER_NO TVFLT 功能 符号 ENAB & ENAB ENABSIG篓贵嫁充通造鞠立肯牌必舀四矾奏乃灿多空酞右门樊弹蚊吴明域赴辐馒挞功能和功能块ST-7SERV2 。