DKC03.3-200-7-FW
DKC03.3-200-7-FW
选用PLC时用户需要考虑以下因素:
1.用户存储器容量
PLC中用户存储器一般由用户程序存储器和数据存储器组成,小型PLC的用户存储器容量多为几K字节,而大型PLC可达到几M字节。
2.输入输出点数
输入输出的点数决定了PLC可控制的输入开关信号和输出开关信号的总体数量。
3.扫描速度
扫描速度通常指PLC扫描1 K字节用户程序所需的时间,一般以ms/K为单位。
4.编程指令的种类和功能
某种程度上用户程序所完成的控制功能受限于PLC指令的种类和功能。PLC指令的种类和功能越多,用户编程则越方便简单。
5.内部寄存器的配置和容量
用户编制PLC程序时,需要大量使用PLC内部的寄存器存放变量、中间结果、定时计数及各种标志位等数据信息。因此内部寄存器的数量直接关系到用户程序的编制。
6.PLC的扩展能力
在进行PLC选型时,其扩展性是一个非常重要的因素。一般来说可扩展性包括存储容量的扩展、输入输出点数的扩展、模块的扩展、通信联网功能的扩展等。
【公 司】: 福州卓凯电子科技有限公司
【主 营】: AB、GE、SCHNEIDER 等各类PLC产品
【价 格】: 电议
【联系人】: 李涛
【电 话】: 13696852881
【Q Q】: 1273632994
【座 机】: 0591-62182520
【所在地】: 福建 – 福州
【来 源】: 供应信息 > 电工、电气 > PLC
52032 TROLLEY WHEEL 76X13X35MM D265062
52-043 5-3/4IN OD STEEL BLOWER FAN WHEEL D503189
5-3/16IN OD 30TOOTH BRASS WORM GEAR D494121
5331 14.62X1.12IN STEEL SHAFT D405524
5331 14.62X1.12IN STEEL SHAFT D405524
5460FM PUMP FRONT WEAR PLATE STEEL D412432
55569-12G CLAMP ASSEMBLY D412954
56 TOOTH STEEL 6-1/4IN OD HELICAL GEAR REPLACEMENT
56 TOOTH STEEL 6-1/4IN OD HELICAL GEAR REPLACEMENT PART D393956
561091 1-5/8IN BORE 41-3/4IN OD STAINLESS 4-BLADE F
561091 1-5/8IN BORE 41-3/4IN OD STAINLESS 4-BLADE FAN ASSEMBLY D453387
5-7/8IN COMPRESSION SPRING D419550
5-7/8IN COMPRESSION SPRING D419550
57139 1-3 BRASS VC DISC 5-1/8 IN DIA. D457667
57556 CA RED 1-1/8IN BORE 1IN THREAD 7-1/2IN TRAVEL MOUNT D356514
57556 CA RED 1-1/8IN BORE 1IN THREAD 7-1/2IN TRAVEL
58 TOOTH 15/16IN BORE SPUR GEAR REPLACEMENT PART D3
58 TOOTH 15/16IN BORE SPUR GEAR REPLACEMENT PART D338936
59455302 PCB CIRCUIT BOARD D474237
5IN ID 10IN OD 6IN LENGTH FLANGED RUBBER LINED PIPE FITTING D493815
5IN ID 10IN OD 6IN LENGTH FLANGED RUBBER LINED PIPE
5IN ID FILTER BAG SOCK 8FT PNEUMATIC FILTER ELEMENT D369711
5IN ID FILTER BAG SOCK 8FT PNEUMATIC FILTER ELEMENT
5X2-3 FLANGED PIPE STEEL COUPLING REPLACEMENT PART
5X2-3 FLANGED PIPE STEEL COUPLING REPLACEMENT PART D431443
5X5-1/2X8-1/8IN STAINLESS SLEEVE D371827
5X5-1/2X8-1/8IN STAINLESS SLEEVE D371858
5X5-1/2X8-1/8IN STAINLESS SLEEVE D371827
5X5-1/2X8-1/8IN STAINLESS SLEEVE D371858
6 3V 5.6 2517 TAPER BUSH V-BELT 6GROOVE SHEAVE D368
6 3V 5.6 2517 TAPER BUSH V-BELT 6GROOVE SHEAVE D368232
6 IN DIAPHRAGM VALVE REPLACEMENT PART D455032
6 IN DIAPHRAGM VALVE REPLACEMENT PART D455032
6.235IN OD BRONZE PUMP IMPELLER D497733
6/5V8.5-E QD BORE 6GROOVE V-BELT SHEAVE D423654
60 3/4 IN 10FT SINGLE STRAND COTTERED ROLLER CHAIN
60 3/4 IN 10FT SINGLE STRAND COTTERED ROLLER CHAIN D513301
600-403 1/2IN BORE 11-1/4X1-5/8IN ROLLER CONVEYOR REPLACEMENT PART D391590
600-403 1/2IN BORE 11-1/4X1-5/8IN ROLLER CONVEYOR R
60-122-0023-1 WORM SHAFT BEARING CAP D45510260-122-0023-1 WORM SHAFT BEARING CAP D455102
60-122-0023-1 WORM SHAFT BEARING CAP D455102
6022 22TOOTH STEEL CHAIN SINGLE ROW 1-1/2IN BORE SP
6022 22TOOTH STEEL CHAIN SINGLE ROW 1-1/2IN BORE SPROCKET D302871
60367-0 HOPPER COVER GASKET D442626
6050 5-7/16 IN ROUGH BORE TAPER BUSHING D497772
605009 06 S 1-1/8IN BORE REEVES SIZE 100 DISK KIT D
605009 06 S 1-1/8IN BORE REEVES SIZE 100 DISK KIT D257976
60B23 1-7/16IN BORE SINGLE ROW CHAIN SPROCKET D3914
60B23 1-7/16IN BORE SINGLE ROW CHAIN SPROCKET D391453
60B37 37 TOOTH STEEL CHAIN SINGLE ROW 1-1/2IN BORE
资讯来源:DKC03.3-200-7-FW
|