基本逻辑指令：与,或

Network z
Control Run Conveyor RIGHT M 16.2 M 16.3 >=1
逻辑操作结果
逻辑操作结果
逻辑操作结果
信号状态
检查结果
首次检查
信号状态
检查结果
首次检查
信号状态
检查结果
: : = A
M 3.4 I 1.0
0 0 0
1 1 1
1 0 1
AN I 1.1 A = = A M 4.0 Q 4.0 Q 4.1 I 2.0
0
1
0
SITRAIN Training for
Automation and Drives
I 1.2
I 1.3
Q 4.1
置位
(S)
I 1.2 I 1.3
&
Q 4.1 S
A I 1.2 A I 1.3 S Q 4.1
I 1.4
Q 4.1
(R)
复位
I 1.5
I 1.4 I 1.5
>=1
Q 4.1 R
O I 1.4 O I 1.5 R Q 4.1
SIMATIC S7
Siemens AG 2003. All rights reserved.
2010-6-17 Binary.13
SITRAIN Training for
Automation and Drives
练习: 练习: 模式部分 (FC 15), 答案提示
Network 1: LED for System ON
Q 4.1
SR
ON-condition OFF-condition
Network 2: LED for MANUAL mode
L1 (Q 4.0)
L2 (Q 4.1)
S3 (I 0.2) OR S4 (I 0.3)
I0.2
Q 4.2 I 0.2 >=1 I 0.3
Q 4.2 =
I0.3
O O =
I0.2 I0.3 Q 4.2
L3 (Q 4.2)
SIMATIC S7
Siemens AG 2003. All rights reserved.
位指令
I 0.0
I 0.1
Q 4.0 Q 4.1
I 1.0 I 1.1 I 1.0 I 1.1
&
M1.0
M8.0
P &
M1.1
=
M8.1
N
=
I 1.2 S I 1.3 R
M0.0 SR Q 5.3 Q
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
S R OUT
Q 4.2
SR
ON-conditions OFF-conditions
Network 3: LED for AUTO mode
S R OUT
Q 4.3
SR
ON-conditions OFF-conditions
S R OUT
SIMATIC S7
Siemens AG 2003. All rights reserved.
M 1.1
Q 4.0
( )
( )
( )
FBD
I 1.0 I 1.1
& M5.7 & I 2.0 I 2.1 M1.1 Q 4.0 =
A I A I = M A M A I A I NOT = M A M = Q
1.0 1.1 5.7 5.7 2.0 2.1 1.1 1.1 4.0
SIMATIC S7
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.6
SITRAIN Training for
Automation and Drives
逻辑操作结果,首次检查, 逻辑操作结果,首次检查,举例
例1 例2 例3
Date: File:
2010-6-17 Binary.11
SITRAIN Training for
Automation and Drives
练习: 练习 基本逻辑操作指令
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.12
A S A R A =
I 1.ห้องสมุดไป่ตู้ M5.7 I 1.3 M5.7 M5.7 Q 5.3
I1.3 置位 优先 I1.2 S R
M5.7 RS Q 5.3 Q I1.3 R
M5.7 RS Q5.3 I1.2 S Q =
A R A S A =
I 1.3 M5.7 I 1.2 M5.7 M5.7 Q 5.3
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.10
SITRAIN Training for
Automation and Drives
影响RLO的指令 的指令 影响
LAD FBD STL
A I 0.0 A I 0.1 NOT = Q4.0
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.7
首次检查
赋值,置位, 赋值,置位,复位
LAD FBD STL
I 1.0
I 1.1
Q 4.0
赋值
( )
I 1.0 I 1.1
&
Q 4.0 =
A I 1.0 A I 1.1 = Q 4.0
& >=1 & Q 4.0 =
A AN O AN A =
I 0.4 I 0.5 I 0.4 I 0.5 Q4.0
I 0.4 I 0.5
XOR
Q 4.0 =
X X =
I 0.4 I 0.5 Q4.0
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
SITRAIN Training for
Automation and Drives
练习: 练习 传送带的模式选择
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 T_System_ON T_System_OFF L_SYSTEM L_MAN T_Jog_RT L_AUTO T_Jog_LT S_M/A_Mode_Select T_M/A_Accept DO
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.5
SITRAIN Training for
Automation and Drives
练习: 练习 常开点与常闭点
任务: 动作和S2 不动作时,在所有三个例子中灯应该点亮! 任务:当 S1 动作和 不动作时,在所有三个例子中灯应该点亮 硬件 S1 I1.0 I 1.0
可编程控制器
S2 I1.1 I 1.1 Q 4.0
Light
S1 I 1.0 I1.0
可编程控制器
S2 I 1.1 I1.1 Q 4.0
Light
S1 I 1.0 I1.0
可编程控制器
S2 I 1.1 I1.1 Q 4.0
Light
软件 I 1.0 I 1.1 Q 4.0
I1.0
I1.1
Q 4.0
I1.0
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.15
SITRAIN Training for
Automation and Drives
练习: 自动模式下传送带运行(1),答案提示 练习: 自动模式下传送带运行 答案提示
检查信号状态"0" 符号 / 指令 检查 结果
常开 触点
动作 有 1
LAD: 常开触点
Yes 1
LAD: 常闭触点
No 0
不动作
无
0 FBD:
No 0
FBD: &
Yes 1
常闭 触点
动作
无
& 0 No 0
Yes 1
不动作 有 1
STL: A I x.y
Yes 1
STL: AN I x.y
No 0
SIMATIC S7
2010-6-17 Binary.4
SITRAIN Training for
Automation and Drives
常开和常闭触点, 常开和常闭触点,传感器和符号
过程 PLC程序中的解释
传感器 是 ...
传感器 是 ...
输入端 有电压 吗?
输入端 的信号 状态
检查信号状态"1" 符号 / 指令 检查 结果
I1.1
Q 4.0
LAD
I 1.0
& Q 4.0
I1.0 I1.1
& Q 4.0
I1.0 I1.1
& Q 4.0
FDB
I1.1 ....... I1.0 ....... I1.1 ....... Q 4.0
STL
....... I1.0 ....... I1.1 ....... Q 4.0
....... I1.0 ....... I1.1 ....... Q 4.0
Network x Jog RIGHT in MANUAL mode 手动模式下 点动向右 的条件 手动模式下 点动向右 的标志位
M 16.2
=
Network y
Run Conveyor RIGHT in AUTO mode 自动模式下 点动向右 的条件 M 16.3 S R 自动模式下 点动向右 的标志位
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.2
SITRAIN Training for
Automation and Drives
基本逻辑指令: 基本逻辑指令:与, 或
电路图
LAD
FBD
STL
S1 (I 0.0) I0.0 AND S2 (I 0.1) Q 4.1 I0.1 Q 4.0 I 0.0 I 0.1 & Q 4.0 = Q 4.1 = A A = = I0.0 I0.1 Q 4.0 Q 4.1
Date: File:
2010-6-17 Binary.14
SITRAIN Training for
Automation and Drives
练习: 练习: 自动模式下传送带运行 (1)
Conv. Start Prox.Sens.Bay 1 I 8.5 M.C.Sw. Bay 1 I 8.1 Prox.Sens.Bay 2 I 8.6 M.C.Sw. Bay 2 I 8.2 Light barrier I 8.0 Run Conveyor RIGHT Q8.5 Transport Phase Conv. Stop
NOT
I 0.0
I 0.1 NOT
Q4.0
I 0.0 I 0.1
&
Q4.0
( )
=
举例 : STAT 0 - 标志
CLR
不存在
不存在
CLR = M 0.0
STAT 1 -标志
SET
不存在
不存在
SET = M 0.1
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.3
SITRAIN Training for
Automation and Drives
基本逻辑指令: 基本逻辑指令:异或 (XOR)
LAD
FBD
STL
I 0.4 I 0.4 I 0.5 Q 4.0 I 0.5 I 0.4 I 0.4 I 0.5 I 0.5
2010-6-17 Binary.1
SITRAIN Training for
Automation and Drives
目标
学习了本章之后, 学习了本章之后,你将 ... ... ... ... ... 懂得"实际"连接NC开关和NO开关与程序符号之间的差别 能够解释术语逻辑操作结果(RLO) ,状态 (STAT) 和首次检查 能够编程基本的开关量逻辑操作 能够使用和编程解决问题的边沿检测
Q 4. .0 .1 .2 .3 .4 .5 .6 .7
AI1 -15V...+15V
AI1 AI2 AO1
V
-15V...+15V
AO2
Weight
AI2
V
0 8 1 5
AI1
AI2
AO1
AO2
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
SIMATIC S7
Siemens AG 2003. All rights reserved.
Date: File:
2010-6-17 Binary.9
SITRAIN Training for
Automation and Drives
中线输出线圈
LAD
STL
I 1.0
I 1.1
M5.7
I 2.0
I 2.1 NOT
Date: File:
2010-6-17 Binary.8
SITRAIN Training for
Automation and Drives
触发器的置位 / 复位
LAD
M5.7 S I1.3 R I1.3 R SR Q 5.3 Q I1.2 S
FBD
M5.7 SR Q5.3 Q =
STL
I1.2 复位 优先