IC693CHS399~GE西屋模块!1B30023H01
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IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01IC693CHS399~GE西屋模块!1B30023H01
梯形图编程语言优点是直观、简便,但要求用带 CRT 屏幕显示的图形编程器才能输入图形符号。小型的编程器一般无法满足,而是采用经济便携的编程器(指令编程器)将程序输入到可编程控制器中,这种编程方法使用指令语句(助记符语言),它类似于微机中的汇编语言。
语句是指令语句表编程语言的基本单元,每个控制功能有一个或多个语句组成的程序来执行。每条语句规定可编程控制器中 CPU 如何动作的指令,它是由操作码和操作数组成的。
操作码用助记符表示要执行的功能,操作数(参数)表明操作的地址或一个预先设定的值。欧姆龙、松下、三菱可编程控制器指令语句程序见表 2 。
表 2 几种不同的可编程控制器指令语句表
机型
步序
操作码
(助记符)
操作数参数
说明
欧姆龙
1
2
3
4
5
LD
OR
ANDNOT
OUT
END
0000
0500
0001
0500
─
逻辑行开始,动合触点 0000 从母线开始并联输出继电器的动合触点 0500
串联输入动断触点 0001
输出继电器 0500 输出,逻辑行结束
程序结束
松下
1
2
3
4
5
ST
OR
ANI
OT
ED
X0
Y1
X1
Y0
─
逻辑行开始,动合触点 X0 从母线开始并联输出继电器的动合触点 Y1
串联输入动断触点 X1
输出继电器 Y0 输出,逻辑行结束
程序结束
三菱
1
2
3
4
5
LD
OR
ANI
OUT
END
X0
Y1
X1
Y0
─
逻辑行开始,动合触点 X0 从母线开始并联输出继电器的动合触点 Y1
串联输入动断触点 X1
输出继电器 Y0 输出,逻辑行结束
程序结束
本公司销售大型进口各种品牌DCS系统模块备件:
ABB Advant OCS,ABB MOD 30/MODCELL,ABB MOD 300,ABB Bailey INFI 90,
ABB Procontic,ABB Procontrol,
H&B Contronic,Moore APACS,Moore Panel Controllers,Rosemount RS-3,
Siemens Iskamatic,Siemens Simatic S5,Siemens Simatic C1,
Yokogawa Centum XL,Yokogawa microXL,
FOXBORO I/A,GE FANUC,
Honeywell QCS,Honeywell TDC系列,Honeywell S9000,
HITACHI,Mitsubishi PLC,Motorola MVME,ALSOM MVME,Other VME,TOSHIBA等大型模组,
有着充足的库存,交货期快,库存价值大约3亿人民币,欢迎来电查询
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