s7系统维护与编程综合课程a7111digitalopVIP

1、Date:2021-7-29 File:DigitalOp.1 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 数字指令数字指令 CMP =I IN1 IN2 IW0 IW2 M0.0 Q 5.7 T4 S_ODT TV SQ BCD BI R I 0.7 I 0.5 S5T#35s Q4.5 MW0 QW6 Date:2021-7-29 File:DigitalOp.2 SIMATIC S7 Siemens AG 2003. All rights reser

2、ved. SITRAIN Training for Automation and Drives 数字指令数字指令 CMP =I IN1 IN2 IW0 IW2 M0.0 Q 5.7 T4 S_ODT TV SQ BCD BI R I 0.7 I 0.5 S5T#35s Q4.5 MW0 QW6 Date:2021-7-29 File:DigitalOp.3 SIMATIC S7 Siemens 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

3、悉INT、 DINT、 REAL数据类型和BCD显示 .能够在“Monitor / Modify Variable”测试功能中选择显示格式 .懂得“装载” 和“传送”指令 .能够为解决问题使用和编程S5计数器功能 .能够为解决问题使用和编程S5定时器功能 .能够为解决问题使用和编程转换指令INT BCD .能够为解决问题使用和编程比较指令 .能够为解决问题使用和编程基本算术功能 Date:2021-7-29 File:DigitalOp.4 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automat

4、ion and Drives 操作面板操作面板 要求要求, 处理和输出数据处理和输出数据 拨轮按钮拨轮按钮, 电位器电位器, 7段显示段显示 DI/ DO 0 8 1 5 0 2 4 8 V AI/ AO 例如例如 PROFIBUS 过程操作过程操作 和监视和监视 控制控制 单元单元 过程过程 控制器控制器 例如例如 MPI 处理数值处理数值 现场装置现场装置 Date:2021-7-29 File:DigitalOp.5 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and D

5、rives DEC: + 662BIN.: 2#0 0 0 0 1 0 1 0 0 1 0 1 1 000 0123456789101112131415 DEC: - 662 整数整数 (INT, 16位整数位整数) 数据类型数据类型 数值范围数值范围 -32768 至至 +32767 (不带符号: 0 to 65535) 显示格式显示格式: +2 1 +2 2 +2 46 x 16 0 = 6 9 x 16 1 = 144 2 x 16 2 = 512 662 2 7 +2 9 +2 5 +2 6 +2 8 算术运算算术运算: 例如 + I, * I, I, =I +2 10 +2 11 +

6、2 12 +2 13 +2 14 -2 15 - 662 符号符号 正数正数 符号符号 负数负数 以补码表示以补码表示 +2 3 +2 1 + 662 10 x 16 0 =16 6 x 16 1 = 96 13 x 16 2 = 3328 64874 15 x 16 3 = 61440 BIN.: 2#1 1 1 1 0 1 0 1 1 0 1 0 1 011 0123456789101112131415 HEX: W#16# 9 62 0 HEX: W#16# 6 ADF 不带符号 不带符号 Date:2021-7-29 File:DigitalOp.6 SIMATIC S7 Siemen

7、s AG 2003. All rights reserved. SITRAIN Training for Automation and Drives DEC: L# +540809 符号符号 正数正数 双整数双整数(DINT, 32位整数位整数)数据类型数据类型 数值范围数值范围 L# -2147483648 至至 L#+2147483647 (不带符号不带符号: 0 to ) 显示格式显示格式: 算术运算算术运算: 例如 + D, * D, D, =D 以补码表示以补码表示 (不带符号) 00084089HEX: DW#16# (不带符号) FFF7BF77HEX: DW#16# 1 1 1

8、 1 1 1 0 1 1 1 0 1 1 1011110111111111111BIN.: 2# 012345678910111213141516171819202122232425262728293031 0 0 0 0 0 0 1 0 0 0 1 0 0 1100001000000000000BIN.: 2# 012345678910111213141516171819202122232425262728293031 DEC: L# -540809 符号符号 负数负数 Date:2021-7-29 File:DigitalOp.7 SIMATIC S7 Siemens AG 2003. A

9、ll rights reserved. SITRAIN Training for Automation and Drives 实数实数 (浮点数浮点数, 32位位)数据类型数据类型 实数 = +1.5 * 2 126-127 = 0.75 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 00 0 0 0 实数的符号 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 031 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 e = 指数 (8 Bit) f = 尾数 (23 B

10、it) 实数的标准格式实数的标准格式 = (Sign) (1.f) (2e-127) 20212223242526272-232-12-22-4 .2-3 数值范围数值范围 -1.17549510-38 至至 3.40282310+38 算术运算算术运算: 例如 + R, * R, R, =R sin, acos, ln, exp, SQR 举例举例: 7.50000e-001(7.5 * 10-1 = 0.75) Date:2021-7-29 File:DigitalOp.8 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN T

11、raining for Automation and Drives 用于输入和输出整数的用于输入和输出整数的 BCD 码码 6920 数值范围数值范围 16 Bit:- 999 至至 + 999 32 Bit:-9999999 至至 + 9999999 转换操作转换操作: BTI, BTD, ITB, DTB (不是算术运算!) 0 0 0 0 1 0 1 0 0 1 0 1 1 000000000000000 xxx0BIN.: 2# BIN.: 2#0 0 0 0 1 0 1 0 0 1 0 1 1 000 符号符号(+)92 16 Bit: 32 Bit: 符号符号 (+) 6 6920

12、000 DEC: + 662HEX:W#16# 2960 DEC: + 662HEX:DW#16#0000296 Date:2021-7-29 File:DigitalOp.9 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives “Monitor / Modify Variables”: 显示格式显示格式 Date:2021-7-29 File:DigitalOp.10 SIMATIC S7 Siemens AG 2003. All rights reserved

13、. SITRAIN Training for Automation and Drives 装载 举例 数据装载和传送数据装载和传送 (1)(1) L +5/ 16-位常数 (整数) L L#523123/ 32-位常数 (双整数) L B#16#EF/ 十六进制字节 L 2#0010 0110 1110 0011/ 16-位二进制值 L 3.14/ 32-位常数 (实数) MOVE EN IN OUT ENO MB5 5 FBD L+5 TMB5 STL MOVE EN OUT ENO MB5 LAD IN5 Date:2021-7-29 File:DigitalOp.11 SIMATIC S

14、7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 数据装载和传送数据装载和传送(2)(2) 0000 0000 : : L W#16#CAFE L W#16#AFFE : : : XXXXXXXXCAFE AFFE ACCU2 内容内容 ACCU1 内容内容 程序程序 YYYYYYYYXXXXXXXX 0000CAFE Date:2021-7-29 File:DigitalOp.12 SIMATIC S7 Siemens AG 2003. All rights reserved.

15、 SITRAIN Training for Automation and Drives 数据装载和传送数据装载和传送(3)(3) 31231570 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0MB0 31231570 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0MB1MB0 31231570 MB3MB2MB0MB1 装载装载 L MB 0 程序程序 T QD 4 QD 4 QW 4 QB 4 传送传送 ACCU1内容内容 L MW 0 L MD 0 T QW 4 T QB 4 Date:2021-7-29 File:Digi

16、talOp.13 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives STEP 7STEP 7中的中的S5S5计数器计数器 STL AI0.4 CUC5 AI0.5 CDC5 AI0.3 LC#20 SC5 AI0.7 RC5 LC5 TMW4 LCC5 TQW6 AC5 =Q4.3 LADFBD Q I 0.4 I 0.5 CU I 0.7 C#20 S_CUD CD S I 0.3 PV R Q 4.3 CV CV_BCD MW 4 QW 6 C5 Q Q I

17、 0.4 I 0.5 CU I 0.7 C#20 S_CUD CD SI 0.3 PV R Q 4.3 CV CV_BCD MW 4 QW 6 C5 =Q Date:2021-7-29 File:DigitalOp.14 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 计数器：功能图计数器：功能图 CU CD S R Q Count 5 4 3 2 1 0 Date:2021-7-29 File:DigitalOp.15 SIMATIC S7 Siemens

18、AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 计数器：位指令计数器：位指令 STL AI 0.0 LC#20 SC5 AI 0.1 CU C5 AI 0.2 CD C5 AC5 = Q 4.0 LAD I 0.0C5 SC C#20 Network 1: C5 Network 2: I 0.1 CU Network 3: I 0.2C5 CD Network 4: C5Q 4.0 FBD SC C5 I 0.0 C#20CV CU C5 I 0.1 CD C5 I 0.2 = Q 4.0 C5

19、Date:2021-7-29 File:DigitalOp.16 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 练习练习: 计数传送的零件计数传送的零件 (FC 18, C 18) V 0 8 1 5 AI1AI2AO1AO2 AI2 AI1 -15V.+15V-15V.+15V AI1 AI2AO1 AO2 V DI I 0.0 I 0.1 I 0.2 I 0.3 I 0.4 I 0.5 I 0.6 I 0.7 DO .0 .1 .2 .3 .4 .5 .

20、6 .7 S_M/A_ModeSelect T_System_ON T_M/A_Accept L_SYSTEM L_MAN L_AUTO T_System_OFF Q 4. T_Jog_RT T_Jog_LT QW 6 ACTUAL number of parts Date:2021-7-29 File:DigitalOp.17 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 定时器：接通延时定时器：接通延时 ( (SD)SD) LAD T4 S_ODT TV

21、 SQ BCD BI R I0.7 I0.5 S5T#35s Q4.5 MW0 QW6 FBD S_ODT TV Q BI R I0.7 I0.5 S5T#35s MW0 QW6 T4 BCD = Q4.5 S STL AI0.7 LS5T#35s SD T4 AI0.5 RT4 LT4 TMW0 LC T4 TQW6 AT4 =Q4.5 例如 S处的RLO R处的RLO 定时器 操作 Q 时间值: 0 . . . 999 0,01s - 0,1s - 1s - 10s - 00 01 10 11 S5TIME 数据类型 Date:2021-7-29 File:DigitalOp.18 SIM

22、ATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 定时器定时器: : 带保持接通延时带保持接通延时 ( (SS)SS) STL AI0.7 LS5T#35s SST4 AI0.5 RT4 LT4 TMW0 LCT4 TQW6 AT4 =Q4.5 LAD T4 S_ODTS TV SQ BCD BI R I0.7 I0.5 S5T#35s Q4.5 MW0 QW6 FBD S_ODTS TV Q BI R I0.7 I0.5 S5T#35s MW0 QW6 T4 BCD

23、 = Q4.5 S 例如 S处的RLO R处的RLO 定时器 操作 Q Date:2021-7-29 File:DigitalOp.19 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 定时器：脉冲定时器：脉冲 ( (SP)SP) FBD S_PULSE TV Q BI R I0.7 I0.5 S5T#35s MW0 QW6 T4 BCD = Q4.5 S S处的RLO R处的RLO 定时器 操作 Q 例如 STL AI0.7 LS5T#35s SPT4 AI

24、0.5 RT4 LT4 TMW0 LCT4 TQW6 A T4 =Q8.5 MW0 LAD T4 S_PULSE TV SQ BCD BI R I0.7 I0.5 S5T#35s Q4.5 QW6 Date:2021-7-29 File:DigitalOp.20 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 定时器：扩展脉冲定时器：扩展脉冲 ( (SE)SE) LAD T4 S_PEXT TV SQ BCD BI R I0.7 I0.5 S5T#35s Q4

25、.5 MW0 QW6 FBD S_PEXT TV Q BI R I0.7 I0.5 S5T#35s MW0 QW6 T4 BCD = Q4.5 S S处的RLO R处的RLO 定时器 操作 Q 例如 STL AI0.7 LS5T#35s SET4 AI0.5 RT4 LT4 TMW0 LCT4 TQW6 AT4 =Q4.5 Date:2021-7-29 File:DigitalOp.21 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 定时器：关断延时定时器：

26、关断延时 ( (SF)SF) STL AI0.7 LS5T#35s SFT4 AI0.5 RT4 LT4 TMW0 LCT4 TQW6 AT4 =Q4.5 LAD T4 S_OFFDT TV SQ BCD BI R I0.7 I0.5 S5T#35s Q4.5 MW0 QW6 FBD S_OFFDT TV Q BI R I0.7 I0.5 S5T#35s MW0 QW6 T4 BCD = Q4.5 S 例如 S处的RLO R处的RLO 定时器 操作 Q Date:2021-7-29 File:DigitalOp.22 SIMATIC S7 Siemens AG 2003. All rights

27、 reserved. SITRAIN Training for Automation and Drives 练习练习: 定时器图定时器图 Date:2021-7-29 File:DigitalOp.23 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 练习练习: 封锁传送带电机点动封锁传送带电机点动 T_Jog_RT I 0.2 Run Conveyor LEFT (Q20.6 / Q8.6) Lock-out RIGHT T 15 (SF) T_Jog_LT

28、 I 0.3 Lock-out LEFT T 16 (SF) Run Conveyor RIGHT (Q20.5 / Q8.5) Lock-out time RIGHT Lock-out time LEFT Date:2021-7-29 File:DigitalOp.24 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 练习练习: 传送功能的监视传送功能的监视 (FC 17) V 0 8 1 5 AI1AI2AO1AO2 AI2 AI1 -15V.+15V-1

29、5V.+15V AI1 AI2AO1 AO2 V DI I 0.0 I 0.1 I 0.2 I 0.3 I 0.4 I 0.5 I 0.6 I 0.7 DO .0 .1 .2 .3 .4 .5 .6 .7 S_M/A_ModeSelect T_System_ON T_M/A_Accept L_System L_MAN L_AUTO T_System_OFF Q 4. T_Jog_RT T_Jog_LT QW 6 ACTUAL number of parts T_Fault_Rst Flt Weight I 1.0 Date:2021-7-29 File:DigitalOp.25 SIMATIC

30、 S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 练习练习:计数传送带运行故障计数传送带运行故障 Conv. oper. fault M 17.0 AUTO mode Q 4.3 (Q 8.3) Conv. oper. fault counter C 17 1 2 3 0 Date:2021-7-29 File:DigitalOp.26 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for

31、Automation and Drives 转换操作转换操作 BCD BCD 整数整数 IN BCD_I EN ENO OUT INIW2 MW20 IN I_BCD EN ENO OUT INMW10 QW6 FBD LIW2 BTI TMW20 LMW10 ITB TQW6 STL 0 8 1 5 用BCD码输入 的数 用BCD码显示 的数 转换 BCD-整数 任务 转换 BCD 把零件的给定值 (Integer)存储在 MW 200 NW 5:ACTUAL-SETPOINT comparison, LED (red LED Q8.4) 比较实际值 (MW 20)和给定值(MW 200),

32、 比较的结果送到 LED NW 3:Display ACTUAL number of parts on BCD digital display 零件的实际值 (MW 20) 从整数到 BCD转换 - 结果在 BCD 数字显示 ( QW 6) ADD_I EN IN1 IN2 OUT ENO 计数事件的上升沿 MW 20 1 MW 20 Date:2021-7-29 File:DigitalOp.31 SIMATIC S7 Siemens AG 2003. All rights reserved. SITRAIN Training for Automation and Drives 练习练习: 控制控制 LED 常亮常亮 at both bays when a new part