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标题: 西门子PCS 7 CFC基本块编程操作手册中文超清版 [打印本页]

作者: qq263946146 时间: 2015-1-4 21:45
标题: 西门子PCS 7 CFC基本块编程操作手册中文超清版

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西门子PCS 7 CFC基材块编程操作手册中文超清版

文档手册目录或截图为：

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目录

1  块参数 EN、ENO、SAMPLE_T......................................................................................................11
2  在 S7-300 CPU 上启动 ...................................................................................................................13
3 CFC 块 ...........................................................................................................................................15
4  数据类型为 BOOL 的逻辑块............................................................................................................19
4.1 BIT_LGC ............................................................................................................................ 19
4.2 AND： AND 运算............................................................................................................... 20
4.3 OR： OR 运算.................................................................................................................... 21
4.4 XOR：异或运算................................................................................................................. 22
4.5 NAND: NAND 运算............................................................................................................. 23
4.6 NOR： NOR 运算............................................................................................................... 24
4.7 NOT： NOT 运算............................................................................................................... 25
5  数据类型为 WORD 和 DWORD 的逻辑块 .......................................................................................27
5.1 WRD_LGC ......................................................................................................................... 27
5.2 WAND_W：字 AND 运算.................................................................................................. 28
5.3 WOR_W：字 OR 运算....................................................................................................... 29
5.4 WXOR_W：字异或运算 .................................................................................................... 30
5.5 WNAND_W：字 AND 运算................................................................................................. 31
5.6 WNOR_W：字 NOR 运算 ................................................................................................. 32
5.7 WNOT_W：字 NOT 运算.................................................................................................. 33
5.8 WAND_DW：双字 AND 运算............................................................................................ 34
5.9 WOR_DW：双字 OR 运算 ................................................................................................ 34
5.10  WXOR_DW：双字异或运算.............................................................................................. 35
5.11  WNAND_DW：双字 NAND 运算....................................................................................... 35
5.12  WNOR_DW：双字 NOR 运算........................................................................................... 36
5.13  WNOT_DW：双字 NOT 运算............................................................................................ 36
6  用于比较两个相同类型输入值的块..................................................................................................37
6.1 COMPARE..........................................................................................................................37
6.2 CMP_I： INT 值比较器........................................................................................................38
6.3 CMP_DI： DINT 值比较器 ..................................................................................................39
6.4 CMP_R： REAL 值比较器 ..................................................................................................40
6.5 CMP_T： TIME 值比较器....................................................................................................41
7  用于转换数据类型的块....................................................................................................................43
7.1 CONVERT ..........................................................................................................................43
7.2 BY_DW ...............................................................................................................................45
7.3 BY_W..................................................................................................................................45
7.4 DI_DW.................................................................................................................................46
7.5 DI_I......................................................................................................................................46
7.6 DI_R....................................................................................................................................47
7.7 DW_DI.................................................................................................................................47
7.8 DW_R..................................................................................................................................48
7.9 DW_W.................................................................................................................................49
7.10 I_DI......................................................................................................................................49
7.11 I_DW...................................................................................................................................50
7.12 I_R.......................................................................................................................................50
7.13 I_W......................................................................................................................................51
7.14 R_DI ....................................................................................................................................51
7.15 R_DW..................................................................................................................................52
7.16 R_I.......................................................................................................................................53
7.17 W_BY..................................................................................................................................53
7.18 W_DW.................................................................................................................................54
7.19 W_I ......................................................................................................................................54
7.20 BO_BY ................................................................................................................................55
7.21 BO_W................................................................................................................................. 56
7.22 BO_DW.............................................................................................................................. 57
7.23 BY_BO ............................................................................................................................... 58
7.24 W_BO................................................................................................................................. 59
7.25 DW_BO.............................................................................................................................. 60
8  数据类型为 REAL 的算术块 ............................................................................................................61
8.1 MATH_FP........................................................................................................................... 61
8.2 ADD_R： REAL 值加运算.................................................................................................. 63
8.3 SUB_R： REAL 值减运算.................................................................................................. 64
8.4 MUL_R： REAL 值乘运算.................................................................................................. 65
8.5 DIV_R： REAL 值除运算.................................................................................................... 66
8.6 MAXn_R：求 REAL 值的最大值........................................................................................ 67
8.7 MINn_R：求 REAL 值的最小值......................................................................................... 68
8.8 ABS_R： REAL 值的绝对值............................................................................................... 69
8.9 SQRT：平方根.................................................................................................................. 69
8.10  EXP：指数函数................................................................................................................. 70
8.11  POW10：底数为 10 的幂函数........................................................................................... 71
8.12  LN：自然对数.................................................................................................................... 72
8.13  LOG10：以 10 为底的对数................................................................................................ 73
8.14  SIN：正弦函数.................................................................................................................. 73
8.15  COS：余弦函数................................................................................................................. 74
8.16  TAN：正切函数................................................................................................................. 74
8.17  ASIN：反正弦函数............................................................................................................ 75
8.18  ACOS：反余弦函数........................................................................................................... 75
8.19  ATAN：反正切函数........................................................................................................... 76
8.20  NEG_R： REAL 值取反..................................................................................................... 76
8.21  LIM_R： REAL 值限幅器.................................................................................................... 77
8.22 EPS_R：精确近似值......................................................................................................... 78
8.23  CADD_R： REAL 值的可控加法器..................................................................................... 79
8.24  POWXY：常规幂函数....................................................................................................... 80
8.25 SAMP_AVE：浮点数平均值.............................................................................................. 81 9  数据类型为 INT 和 DINT 的算术块..................................................................................................83
9.1 MATH_INT..........................................................................................................................83
9.2 ADD_I： INT 值加运算........................................................................................................85
9.3 SUB_I： INT 值减运算........................................................................................................86
9.4 MUL_I： INT 值乘运算........................................................................................................87
9.5 DIV_I： INT 值除运算..........................................................................................................88
9.6 MOD_I： INT 值的取模函数................................................................................................89
9.7 MAXn_I： INT 值的最大值..................................................................................................90
9.8 MINn_I： INT 值的最小值 ...................................................................................................91
9.9 INT 值的 ABS_I 绝对值 .......................................................................................................92
9.10  NEG_I： INT 值取反...........................................................................................................92
9.11  LIM_I： INT 值限幅器..........................................................................................................93
9.12 EPS_I： INT 值的精确近似值..............................................................................................94
9.13  CADD_I： INT 值的可控加法器...........................................................................................95
9.14  ADD_DI： DINT 值加运算...................................................................................................96
9.15  SUB_DI： DINT 值减运算...................................................................................................97
9.16  MUL_DI： DINT 的乘运算...................................................................................................98
9.17  DIV_DI： DINT 值除运算 ....................................................................................................99
9.18  MOD_DI： DINT 值的取模函数.........................................................................................100
9.19  MAXn_DI： DINT 值的最大值...........................................................................................101
9.20  MINn_DI： DINT 值的最小值............................................................................................102
9.21 ABS_DI： DINT 值的绝对值..............................................................................................103
9.22  NEG_DI： DINT 值取反....................................................................................................104
9.23  LIM_DI： DINT 值限幅器 ..................................................................................................105
9.24 EPS_DI： DINT 值的精确近似值.......................................................................................106
9.25  CADD_DI： DINT 值的可控加法器....................................................................................107 10  触发器块.......................................................................................................................................109
10.1 FLIPFLOP........................................................................................................................ 109
10.2 JK_FF： JK 触发器.......................................................................................................... 110
10.3  RS_FF： RS 触发器，复位优先....................................................................................... 111
10.4  SR_FF： SR 触发器，置位优先....................................................................................... 112
11  移位块...........................................................................................................................................113
11.1 SHIFT............................................................................................................................... 113
11.2  SHL_W： WORD 左移..................................................................................................... 114
11.3  SHL_DW： DWORD 左移................................................................................................ 114
11.4  SHR_W： WORD 右移 .................................................................................................... 115
11.5  SHR_DW： DWORD 右移............................................................................................... 115
11.6  ROL_W： WORD 循环左移 ............................................................................................. 116
11.7  ROL_DW： DWORD 循环左移........................................................................................ 116
11.8  ROR_W： WORD 循环右移............................................................................................. 117
11.9  ROR_DW： DWORD 循环右移........................................................................................ 117
12  多路复用器块................................................................................................................................119
12.1 MULTIPLX........................................................................................................................ 119
12.2  MUXn_I：用于 INT 值的 n 选 1 多路复用器 .................................................................... 120
12.3  MUXn_DI：用于 DINT 值的 n 选 1 多路复用器............................................................... 121
12.4  MUXn_R：用于 REAL 值的 n 选 1 多路复用器............................................................... 122
12.5  MUXn_BO：用于 BOOL 值的 n 选 1 多路复用器............................................................ 123
12.6  SEL_BO：用于 BOOL 值的 2 选 1 多路复用器............................................................... 124
12.7  SEL_R：用于 REAL 值的 2 选 1 多路复用器 .................................................................. 124
13  计数器块.......................................................................................................................................125
13.1 COUNTER ....................................................................................................................... 125
13.2  CTU：加计数器............................................................................................................... 126
13.3  CTD：减计数器............................................................................................................... 128
13.4  CTUD：加/减计数器........................................................................................................ 130 14  用于生成或处理脉冲的块..............................................................................................................133
14.1 PULSE..............................................................................................................................133
14.2  TIMER_P：脉冲发生器....................................................................................................134
14.3  R_TRIG：检测上升沿.......................................................................................................137
14.4 F_TRIG：检测下降沿.......................................................................................................138
14.5  AFP：时钟.......................................................................................................................139
15  用于查询或处理时间间隔和时基的块............................................................................................. 141
15.1 TIME .................................................................................................................................141
15.2  TIME：测量执行时间 .......................................................................................................142
15.3  TIME_BEG：输出当前的日时钟.......................................................................................142
15.4  TIME_END：比较输入时间与实际时间............................................................................143
16  控制块.......................................................................................................................................... 145
16.1 CONTROL ........................................................................................................................145
16.2 CONT_C ...........................................................................................................................146
16.2.1  CONT_C：连续作用控制器..............................................................................................146
16.2.2  CONT_C：方框图.............................................................................................................152
16.3 CONT_S............................................................................................................................153
16.3.1  CONT_S：步进控制器......................................................................................................153
16.3.2  CONT_S：方框图.............................................................................................................158
16.4 PULSEGEN ......................................................................................................................159
16.4.1 PULSEGEN：用于 PID 控制器的脉宽调制......................................................................159
16.4.2 PULSEGEN：方框图........................................................................................................165
16.4.3 PULSEGEN：三位控制....................................................................................................166
16.4.4 PULSEGEN：三位控制，非对称......................................................................................168
16.4.5 PULSEGEN：二位控制....................................................................................................169
16.4.6 PULSEGEN：二位控制或三位控制中的手动操作............................................................170 17  系统功能块 (SFB).........................................................................................................................171
17.1 EVENT：启动优先级....................................................................................................... 171
17.2 DELAY ............................................................................................................................. 173
17.3  DELAY：延迟启动事件 ................................................................................................... 174
17.4 EDELAY：被延迟启动事件的启用信号............................................................................ 175
17.5 DISCARD：放弃所有出现的启动事件............................................................................. 176
17.6  EDISCARD：所有新启动事件的启用信号....................................................................... 177
17.7 LASTERR：确定 DELAY、EDELAY、DISCARD、EDISCARD 和 P_REASON 中的
错误代码........................................................................................................................... 178
17.8 SYSTIME：确定系统时间 ............................................................................................... 179
17.9 P_REASON：确定过程中断的原因................................................................................. 180
17.10  FRC_CFC：内部块.......................................................................................................... 180
18  用于 AS 范围连接的块 ..................................................................................................................181
18.1 IK_STATE ........................................................................................................................ 181
18.2 IK_MANAG....................................................................................................................... 184
18.3 IK_SEND.......................................................................................................................... 184
18.4 IK_RCV ............................................................................................................................ 185
18.5 IK_CP_OU........................................................................................................................ 185
18.6 IK_CP_IN.......................................................................................................................... 186
18.7 IK_ALARM........................................................................................................................ 186
19  附录..............................................................................................................................................187
19.1  手动值处理....................................................................................................................... 187
19.2  脉宽调制........................................................................................................................... 187
19.3  过程变量分支.................................................................................................................... 188
19.4  调节值双极性范围的特性.............................................................
..................................... 188
19.5  调节值单极性范围的特性.................................................................................................. 189
19.6  PI 步算法.......................................................................................................................... 189
19.7  PID 算法........................................................................................................................... 189
19.8  错误信号........................................................................................................................... 190
19.9  设定值分支....................................................................................................................... 190
19.10  调节值处理....................................................................................................................... 190 19.11  干扰变量输入.....................................................................................................................190
19.12  三位控制器的对称特性......................................................................................................191
19.13  三位控制器的非对称特性...................................................................................................192
  索引.............................................................................................................................................. 193

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