功能块说明 - 图文

HPCS-3000分布控制器 算法功能块说明文档

Version 1.0.11

上海华文自动化系统工程有限公司

上海华文自动化系统工程有限公司

前 言

文档内容

本文是华文HPCS-3000系列产品文档的一部分，主要给出该系列中各种控制器所含功能块的详细设计资料。

对每种功能块，文档会说明以下内容：

说明部分 名称 结构 描述 实用例 特殊说明

说明内容

功能块的名称，和在功能块图中的标记名 功能块每个输入输出信号的含义和作用 说明功能和用途

实际使用中的常见连接方式 列出功能块使用中必须注意的问题

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目 录

1

实数运算.......................................................................................................................................... 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 1.16 2

FADD 二输入浮点加法 ......................................................................................................... 1 FSUB 二输入浮点减法 .......................................................................................................... 2 FMUL 二输入浮点乘法 ......................................................................................................... 3 FDIV二输入浮点除法 ........................................................................................................... 3 EXP指数运算 ......................................................................................................................... 4 LOG对数运算 ........................................................................................................................ 5 ABS取绝对值 ......................................................................................................................... 5 SQR取平方根 ......................................................................................................................... 6 RND随机函数 ........................................................................................................................ 6 SIN正弦函数 .......................................................................................................................... 7 COS余弦函数 ......................................................................................................................... 7 TAN正切函数 ........................................................................................................................ 8 ATN反正切函数 ..................................................................................................................... 8 PLOYNOM五次多项式 ......................................................................................................... 9 SUM8 八输入数学统计器 ................................................................................................... 10 CMP数值比较 ...................................................................................................................... 11

整数运算........................................................................................................................................ 12 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9

WADD 整数加法 .................................................................................................................. 12 WMUL 整数乘法 ................................................................................................................. 13 WDIV 整数除法 ................................................................................................................... 14 MOD 取模运算 .................................................................................................................... 14 WAND 整数与运算 .............................................................................................................. 15 WOR 整数或运算 ................................................................................................................ 16 WXOR 整数异或运算 .......................................................................................................... 16 WNOT 整数求反运算 .......................................................................................................... 17 WCMP 整数比较 .................................................................................................................. 17

3 布尔运算........................................................................................................................................ 19 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10

AND 逻辑与 ......................................................................................................................... 19 OR 逻辑或 ............................................................................................................................ 20 XOR 逻辑异或 ..................................................................................................................... 20 NOT 逻辑非 .......................................................................................................................... 21 EDGE 边沿检测 ................................................................................................................... 21 UEDG 上升沿检测 ............................................................................................................... 21 DEDG 下降沿检测 ............................................................................................................... 22 SET 置1 ................................................................................................................................ 22 RESET 置0（复位） ........................................................................................................... 23 RS触发器 ............................................................................................................................. 23

4 类型转换........................................................................................................................................ 25

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4.1 4.2 4.3 4.4 4.5 4.6 5

WTOB16 16位逻辑分配 ...................................................................................................... 25 B16TOW 16位逻辑组合 ...................................................................................................... 26 WTOF 整数转实数............................................................................................................... 27 FTOW 实数转整数 ............................................................................................................... 27 WTOBCD 整数转BCD码 .................................................................................................. 28 BCDTOW BCD码转整数 .................................................................................................... 28

信号控制........................................................................................................................................ 29 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10

TON 延时合 .......................................................................................................................... 29 TOFF 延时断 ........................................................................................................................ 30 PULSE 脉冲 ......................................................................................................................... 31 XPULSE 定时脉冲 ............................................................................................................... 31 CTU 递增计数器 .................................................................................................................. 32 CTD 递减计数器 .................................................................................................................. 33 COUNT 增减计数器 ............................................................................................................ 33 SQUAR 方波发生器 ............................................................................................................ 34 SGN 信号发生器 .................................................................................................................. 35 PSUM 脉冲量累加器 ........................................................................................................... 36

6 过程处理........................................................................................................................................ 37 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 6.11 6.12 6.13 6.14 6.15 6.16

EPID 偏差PID控制 ............................................................................................................ 37 ERV 偏差计算..................................................................................................................... 39 LDLG 超前滞后 ................................................................................................................... 40 INTG 积分运算 .................................................................................................................... 41 DIFF 微分运算 ..................................................................................................................... 42 FILTER 三阶滤波 ............................................................................................................... 42 TWOSEL 信号二选一 .......................................................................................................... 43 THRSEL 信号三选一 ........................................................................................................... 44 SFT 无扰动切换 ................................................................................................................... 45 LIMIT 幅度限制 ................................................................................................................... 46 LMTV 变化速率限制 ........................................................................................................... 46 BALANCE2 二输出平衡模块 ............................................................................................. 47 MLINE 分段线性转换 ......................................................................................................... 48 TSUM 时域统计模块 ........................................................................................................... 49 TSUMD 时域开关量统计模块 ............................................................................................ 50 DELAY 滞后模块 ................................................................................................................. 50

7 设备操作功能 ................................................................................................................................ 52 7.1 7.2 7.3 7.4 7.5 7.6 7.7

DMA 数字软手操 ................................................................................................................. 52 SMA 模拟软手操 ................................................................................................................. 53 INTKEY4 4键互锁开关 ....................................................................................................... 54 TWOPOS 两位位置控制 ..................................................................................................... 55 DEV1单向设备控制 ............................................................................................................ 56 DEV2双向设备控制 ............................................................................................................ 57 STEP 步序控制 ..................................................................................................................... 59

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7.8 7.9 7.10 8

TSTEP 时间型步序控制 ...................................................................................................... 60 MDIG 开关量组合逻辑 ....................................................................................................... 62 SSA 模拟伺服放大器 ........................................................................................................... 63

特殊算法........................................................................................................................................ 65 8.1 8.2 8.3 8.4 8.5 8.6

TQ 信号质量 ........................................................................................................................ 65 SAVE 数据存盘 .................................................................................................................... 66 EQU 实数赋值...................................................................................................................... 67 WEQU条件赋值 .................................................................................................................. 67 EXEC 过程跳转 ................................................................................................................... 68 PTC 热力性质计算 .............................................................................................................. 68

9 DEH功能块 .................................................................................................................................. 70 9.1 9.2 9.3 9.4 9.5 9.6 9.7

SPO 软件脉冲输出 .............................................................................................................. 70 DDS 数字驱动伺服模块 ...................................................................................................... 71 DSFT 开关量选择模块 ........................................................................................................ 72 KBML 键盘模拟量增减 ...................................................................................................... 72 ES/MA 模拟量软手操器 ...................................................................................................... 73 F(T) 12段信号发生器 ........................................................................................................... 75 QOR8 8输入开关量处理 ..................................................................................................... 76 附录 ........................................................................................................................................... 77 控制器状态说明 ................................................................................................................... 77 控制器网络状态说明 ........................................................................................................... 77 控制柜中的卡件状态说明 ................................................................................................... 78 状态变量的掩码说明 ........................................................................................................... 78 强制功能说明 ....................................................................................................................... 79 查询功能说明 ....................................................................................................................... 79 控制器组态注意事项说明 ................................................................................................... 80 网络时钟设置说明 ............................................................................................................... 81

10 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8

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