GBT15969.5-2002可编程序控制器第5部分_通信

【实例简介】GBT15969.5-2002可编程序控制器第5部分_通信

【实例截图】

【核心代码】

目 次
前言 ················································································································⋯⋯ N
IE C 前言 ·········································································································⋯⋯ v.
1 范围 ···············································································。····························⋯⋯ 1
2 引用标准 ····························”·······。······························································. . ···⋯⋯ 1
3 定义 ··································································································。······. . ···⋯⋯ 2
4 符号和缩略语 ··········。······································。·····································⋯ ⋯‘····⋯⋯ 3
5 模型 ····················································⋯⋯， ’··················································⋯⋯ 4
5. 1 P LC 网络通信模型 ·····································································.·..·.....·..·.··....⋯⋯ 4
5. 2 P LC 功能模型 ·····································，··························································⋯⋯ 4
5. 3 P LC 硬件模型 ·····································，··························································⋯⋯ 5
5.4 软件模型 ··········， . ··········， .·································， ’·································⋯⋯ 5
6 PI￡通信服务 ························⋯⋯:. : . ·····················································.·..·······⋯⋯ 6
6. 1 P LC 子系统及其状态 ···························································，·························⋯⋯ 6
6.2 应用特指的功能······················································································.······⋯⋯ 12
7 P LC 通信功能块 ······························································，······························⋯⋯ 16
7.1 通信功能块概述。····················································································.······，··⋯ 16
7.2 通信FB 参数的语义··················································································⋯⋯ 17
7. 3 设备检验·····································································。··································⋯ 21
7.4 轮询数据采集·······················。········································································⋯⋯ 24
7.5 编程数据采集······。·····································。·····················································一 27
7. 6 参数控制······································································································⋯⋯ 36
7. 7 互锁控制·······························.................................................... ···············⋯⋯ 38
7. 8 编程报替报告······················。·············。···。。······················································⋯⋯ 45
7. 9 连接管理⋯‘··⋯‘二’.............................................................................................. 49
7. 10 通信功能块的应用举例 . .···································································⋯⋯‘·····⋯⋯ 52
8 一致性和实现者特指的特性和参数···························································⋯⋯‘二‘二‘·“二55
8. 1 一致性·······················································································。·················。··⋯ 55
8.2 实现特指的性能和参数······································································⋯⋯’二’二’二‘二55
附录 A (标准的附录) 映象到ISO /IE C 9506-5 ·························，·······························⋯⋯ 57
附录 B (标准的附录) 使用 G B /T 16720.2 的P LC 行为特性 ··········································⋯⋯ 75
图1 GB/T 15969. 5 的范围 ·····，············································································⋯⋯ 1
图2 PLC 通信模型······················································································。.········⋯⋯ 4
图 3 PL C 的功能模型··················································. . ·······························..········⋯⋯ 4
图 4 PL C 的硬件模型................................................................................................... 5
图 5 PL C 的软件模型··················································································...········⋯⋯ 6
图 6 PL C 的电源····································································································，·⋯ 9
G B/T 15969.5- 2002
图 7 状态信息的类型描述 ····················································································⋯⋯ n
图 8 互锁控制的时间线 ·.......................................................................................·一 13
图 9 R E M O T E -V A R 功能 ···················································································⋯⋯ 18
图 1。 状态信号发送原理 ····················································································⋯⋯ 19
图11 ER RO R 和STATU S 输出的时序图 ······················································⋯⋯‘二‘·⋯ 20
图 12 ST A T U S 功能块 ·····················································································⋯⋯ 21
图 13 U ST A T U S 功能块·····················································⋯⋯‘····················⋯⋯‘··⋯ 22
图14 STATU S 功能块的时序图 ···········································，·······························⋯⋯ 22
图 15 ST A T U S 功能块的状态图 ·····················································‘···········。·········⋯⋯ 23
图 16 U ST A T U S 功能块的状态图··········································································⋯⋯ 24
图 17 R E A D 功能块 ·····························································································⋯⋯ 25
图18 REA D 功能块的时序图······。··················。·················································⋯⋯‘’·⋯ 26
图19 READ 功能块的状态图··················。···············································。···············一 26
图2。 编程数据采集数据流··········。·····························。···········································⋯⋯ 27
图 21 U SE N D 功能块 ························································································⋯⋯ 28
图 22 U RC V 功能块·······································。·························、··························⋯⋯ 28
图23 U SEN D 和U RCV 功能块的时序图··································································⋯⋯ 29
图24 U SEN D 功能块的状态图 ·············································································⋯⋯ 29
图25 U RCV 功能块的状态图····························。···································，·········⋯⋯ ‘··⋯ 30
图 26 BSE N D 功能块 ···········································。············································⋯⋯ 32
图 27 BR C V 功能块 ·····································································。·························一 32
图 28 BSE N D 和BR C V 功能块的时序图 ···，······························································⋯⋯ 33
图29 BSEND 功能块的状态图 ························。·········。··································⋯⋯’二”·‘二33
图30 BRCV 功能块的状态图··········。···································。··································⋯⋯ 35
图 31 W R I丁E 功能块 。·····································································。。·········。········⋯⋯ 37
图32 W R ITE 功能块的时序图 ·························································⋯⋯‘········⋯⋯‘’·⋯ 37
图33 W R ITE 功能块的状态图 ··············································································⋯⋯ 38
图 34 SEN D 功能块 ··················。········。········。························································⋯⋯ 39
图 35 RC V 功能块 ···，·····，······，‘，···，······，，······，，·····································⋯⋯ 40
图36 SEN D 和RCV 功能块的时序图 ·····················。···············································⋯⋯ 41
图37 SEN D 功能块的状态图················································。····················。。········。·⋯⋯ 42
图38 RCV 功能块的状态图 ················。································································⋯⋯ 43
图 39 N O T IFY 功能块··································································。·······················⋯⋯ 45
图40 A L A R M 功能块 ·............................................................................................... 46
图41 ALARM 功能块的时序图·····································································⋯⋯’二‘··⋯ 46
图42 N O T IFY 功能块的状态图···································，························，······· ··········⋯⋯ 47
图43 ALA RM 功能块的状态图···································································· ·········。⋯⋯ 48
图 44 C O N N E C T 功能块............................................................................................. 50
图45 C O N N E C T 功能块的时序图··············。···························································⋯⋯ 50
图 46 C O N N E CT 功 能块的状态 图··········································································⋯⋯ 51
G B /T 15969 5- 2002
图47 功能块图语言的举例 ··················································································⋯⋯ 55
表 1 表述状态的实体 ···························································································⋯⋯ 6
表 2 PLC 摘要状态 ·······················································································⋯⋯ 7
表3 1/O 子系统的状态 ······················································································⋯⋯ 8
表 4 处理单元的状态 ·····················································································⋯ ⋯’二9
表 5 电源的状态 ································································································⋯⋯ 9
表 6 存储器的状态 ························································································⋯ ⋯ 10
表7 通信子系统的状态 ·························································”··························⋯ ⋯ 10
表8 实现者特指的子系统 .......................................................................................... 10
表9 状态信息的表述 ·························································································⋯⋯ n
表 10 设备检验特性 ··································································，·······················⋯⋯’二12
表 11 数据采集特性 ·····································， . ·····················································⋯⋯ 13
表 12 控制性能 ····························。····································································⋯⋯ 14
表13 报警报告的性能···················。····················。································，················⋯⋯ 14
表14 可启动和可停止的单元 ·········································，·····································⋯⋯ 14
表 15 1/O 状态的含义 ························。···························································⋯⋯‘二‘二 15
表 16 1/O 状态 ···················。·····································································”······⋯⋯ 15
表17 执行和1/O 控制性能····················································································⋯⋯ 15
表 18 可装载单元 ·..................................................................................................... 16
表19 应用程序传送特性········································。·································”·········⋯⋯ 16
表 20 连接管理性能 ····························································································⋯⋯ 16
表 21 通信功能块概述 ······················································。·························⋯⋯’二’二’二 17
表22 通信FB 参数的语义 ··········。·····································································⋯ ⋯ 18
表23 SCO PE 参数的值 ····················································································⋯⋯ 19
表 24 ST A T U S 的输出值及其说明 ···················································。·················⋯ ⋯ 20
表25 STA TUS 状态图的转换 ·.................................................................................. 23
表26 STATUS状态图的动作表 ··········································································⋯⋯ 23
表27 U ST ATU S 状态图的转换··························································， .·····⋯⋯’二‘二‘二‘二24
表28 U ST ATU S 状态图的动作表············。······························································⋯⋯ 24
表29 READ 状态图的转换····················································································⋯⋯ 26
表30 READ 状态图的动作表··········。····································································⋯⋯ 27
表31 USEN D 功能块状态图的转换 ················································。······。················⋯⋯ 29
表 32 U SE N D 功能块状态图的动作表 ·····································································⋯⋯ 30
表33 U RCV 状态图的转换。···················，·······························································⋯⋯ 30
表34 U RCV 功能块状态图的动作表···························································⋯⋯”·’二‘二’二31
表35 BSEN D 状态图的转换 ··············································································⋯⋯‘二34
表36 BSEN D 状态图的动作表 ············································································⋯⋯ 34
表37 BRCV 状态图的转换····················································································⋯⋯ 35
表38 BRCV 状态图的动作表················································································⋯⋯ 36
表39 W RITE 状态图的转换 ·，·········。·····································································⋯⋯ 38
班
G B /T 15969.5- 2002
表40 W R ITE 状态图的动作表 ···········································································⋯⋯ 38
表41 SEN D 状态图的转换 ···································“····················”·······”··············⋯⋯ 42
表42 SEN D 状态图的动作表················································································⋯⋯ 43
表43 RCV 状态图的转换 ······································”············⋯⋯‘······”···········⋯ ⋯‘·44
表44 RCV 状态图的动作表 ······················“···········”··········································一 44
表45 NOTIFY 状态图的转换···········································⋯ ⋯‘·‘二’·········⋯⋯‘， ’’二’二‘二47
表46 NOTIFY 状态图的动作表·································································⋯⋯‘·’二‘二’二47
表47 ALA RM 状态图的转换·························································”················⋯ ⋯ 48
表48 ALARM 状态图的动作表·····················”··············，·······································⋯⋯49
表49 CON NECT 状态图的转换·············································⋯⋯‘·.·················⋯⋯‘二”’51
表50 CON NECT 状态图的动作表················································‘·······················⋯⋯’二52
表51 相符的表头和相关的表···············································································⋯⋯ 55
表52 实现特指的特性和参数····································”·····································⋯⋯“’56
表 A l 类型描述的映象 ························································⋯⋯‘··········⋯ ⋯‘·‘二‘二’二 59
表A2 SCOPE 和SC一 ID 参数的映象······································，，······························⋯⋯ 59
表A 3 直接表达式的大小前缀 ·····················································“············⋯⋯‘二’二‘二60
表A4 STATUS状态图的转换映象 ·······································⋯⋯‘二’二’二’二‘“’二’·‘二’·”’61
表A 5 ST A T U S 状态图的动作映象 ······································································⋯⋯ 61
表A6 USTATUS状态图的转换映象 ············· ·········································⋯⋯’二‘二’二61
表A7 USTATUS状态图的动作映象 ······································⋯⋯‘··⋯⋯’二‘’·‘二‘二‘二“·’二62
表A8 READ 状态图的转换映象 ···········································”⋯‘·‘·····⋯⋯’二’二‘二’二’二’二62
表A9 READ 状态图的动作映象 ··················。·····················································⋯⋯’二62
表A10 USEND 状态图的转换映象 ···························································⋯⋯‘二‘二’‘·’二63
表All USEND 状态图的动作映象 ········································，················⋯⋯‘二‘二’二”·’二63
表A 12 U RCV 状态图的转换映象 ········································⋯⋯‘， ’···········⋯⋯‘二‘二’二64
表A 13 U RCV 状态图的动作映象 ·································································⋯⋯’“.‘”.‘64
表A14 BSEND 状态图的转换映象 ················································⋯⋯ ’·’二’二‘二‘二’二’二65
表A15 BSEND 状态图的动作映象 ····································，·····”⋯‘·⋯⋯‘二‘二‘·⋯’二’二‘·65
表A16 BRCV 状态图的转换映象·····································一 ‘二’·’二‘··⋯⋯‘·‘二’·’二‘二’·“二66
表A 17 BRCV 状态图的动作映象 ·········································································“··⋯‘66
表A 18 W RIT E 状态图的转换映象 ···········································“⋯‘···········⋯⋯‘二‘二’二”’67
表A 19 W RIT E 状态图的动作映象 ····， .······························································⋯⋯‘二67
表A 20 SEND 状态图的转换映象 ·................................................................................ 67
表A 21 SEN D 状态图的动作映象 ·········································································⋯⋯ 68
表A 22 RCV 状态图的转换映象···········································································”⋯‘.‘68
表A 23 RCV 状态图的动作映象······························································⋯⋯‘·‘二‘·‘二‘’·69
表A 24 NO TIFY 状态图的转换映象····························································⋯⋯‘二‘二‘二’二71
表A 25 NO TIFY 状态图的动作映象····································································⋯⋯‘二71
表A 26 ALAR M 状态图的转换映象 ····， .·····························································⋯⋯‘·‘72
表A 27 ALARM 状态图的动作映象 ·······························································⋯⋯‘二‘二’二72
N
G B /T 15969.5- 2002
表A28 CON NECT 状态图的转换映象···················································。····⋯⋯“·‘··⋯⋯ 73
表A29 CON NECT 状态图的动作映象 ·························································⋯⋯‘·····⋯⋯ 74
表A30 实现特指的特性和参数 ··············································。·⋯⋯‘⋯’·’二’二‘二‘’·’二““’““74
表B1 CreateProgram Invocatiom 服务的缺省 ·................................................................. 75
表B2 用于I/O State参数的Program Invocation 服务的缺省 ·······································⋯⋯ 75
表B3 实现者特指的特性和参数······························································⋯⋯‘··⋯‘二‘二‘二75