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PLC的编程语言采用与国际标准IEC 61131-3相对应的工业标准JIS B 3503。进入20世纪90年代后期PLC业界一个引人注目的动向是开始注重采用和向国际标准靠拢,如1997年颁布的工业标准JIS B 3501《可编程序控制器——一般信息》,JIS B 3502《可编程序控制器装置的要求事项和试验》,JIS B 3503《可编程序控制器——编程语言》,分别对应IEC制定的PLC标准IEC 61131-1、IEC 61131-2和IEC 61131-3。其中尤以采用PLC编程语言具有特殊的意义。众所周知,IEC 61131-3是可编程序控制器的编程语言的标准,它将现代软件的概念和现代软件工程的机制与传统的PLC编程语言成功地结合,使它在工业控制领域的影响越出PLC的界限,成为DCS、PC控制、运动控制,以及SA的编程系统事实上的标准。同样,大家也知道,只有在某种国际标准已成为世界的主流的情况下,它才会考虑让工业标准向国际标准靠拢。我国在1995年就采用IEC 61131-3作为国家标准,采用IEC 61131-3要比我们晚好几年。
在它一旦采用了IEC 61131-3之后,便在其新一代的PLC编程软件平台中广泛采用。三菱电机的PLC编程软件包GX Ver.8开发系统,支持梯形图LD、指令表IL、顺序功能图SFC编程和结构化文本ST,其PX开发系统支持功能块图FBD,供PLC用于过程控制,不过PX是要与GX V.7.20W或更高版本一起用的。OMRON的PLC的编程软件包CX除支持LD、IL外,近期即将推出支持FB(功能块,不是FBD功能块图;其功能块将包括支持SYSMAC CS/CJ系列PLC等各种控制网络的通信功能块,以实现通信的无程序化),以及ST(结构化文本语言)。富士电机的PLC编程软件包及横河电机的FA-M3系列的编程系统,也支持IEC 61131-3。
312A6077P001,312A6077P004,312A6089P001,312A6090P001,312A6090P002,312A6091P001,312A6091P002,312A6091P003,312A6091P004,313954-002 7913,313954-002 7713,
312A6046P003,312A6077P001,312A6077P004,312A6089P001,312A6090P001,312A6090P002,312A6091P001,312A6091P002,312A6091P003,312A6091P004,313954-002 7913,313954-002? 7713,313954-0027926,313965-009,313A3129P0001,314A5945P002 REV G,314A5945P002REVG,314A5945P2
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GE公司GE Speedtronic Spares可变调速装置备件:343,365,450,600,610,814,1500,2272,2862,3001,3010,3130,3476,4153,4157,5806
,7415,8501,9012,14875,17021,18000,28320,42643,48220,64005,67097,67800,81303
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522771,522772,721111,800234,1020516,1228803,1878509,359236,407140,111047
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447739150,99981004,32000000,00332303 31000913 20013000 111439004 530000000 605320002 597514501 9070000000 30471583020 702459000000 90010100000000 #2-B PERMATEX 0.35X1500 0000-7812-02 00079-0325-0002
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01-002849 011-1197-100 01151-0685 01168J76P0001 0116B6650G1
0117C2164G01 0117C5050G001 01223J53P0001 01336J17P0010
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30HR1,30-HR1,31,311A5177 P1,311A5177P1,311A5177P3,311A5177P5,,311A5178P002,311A5178P011,311A5178PT2,311A5178PT5,311A5178PT5 D,311A5449P005,311A5449P006,311A5782P002,311A5801P003,311A5802P001,311A5802P002,311A5802P008,311X0945WIBL100F,311X0945WIBL10-0F,311X0945WIBL246C,311X0945WIBL24-6C,311X0945WIBL246D,311X0945WIBL24-6D,311X0945WIBL246E,311X0945WIBL24-6E,311X0945WIBL246F,311X0945WIBL24-6F,312A6046P003,312A6077P001,312A6077P004,312A6089P001,312A6090P001,312A6090P002,312A6091P001,312A6091P002,312A6091P003,312A6091P004,313954-002 7913,313954-002? 7713,313954-0027926,313965-009,313A3129P0001,314A5945P002 REV G,314A5945P002REVG,314A5945P2
,315A2066P001,315A2618P010,315A2660P003,315A2739P011,315A4147P2,315A4147P8,315A4204P001,315A4459P0004,315A4459P2,315A4459P4,315A9332P001,315A9332P1,318A1093,318A9427P001,318A95422,318A9542-2,318A95423,318A9542-3,318A95425,318A9542-5
,318A95426,318A9542-6,318A9542P004,31320E,321308B,32271,323031205,323-03-1205,