DKC02.3-200-7-FW
DKC02.3-200-7-FW
DKC02.3-200-7-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
4-N103-001A 1GROOVE 2-9/16 IN 43TOOTH TIMING PULLEY
4-N103-001A 1GROOVE 2-9/16 IN 43TOOTH TIMING PULLEY D487279
4-VANE STAINLESS MIXER IMPELLER 8 IN OD 1IN ID D41
4-WAY CROSS STEEL 4IN 300 FLANGE PIPE FITTING D4894
4-WAY CROSS STEEL 4IN 300 FLANGE PIPE FITTING D489458
5 A5.6B6.0 BUSHED TAPER 2517 V-BELT 5GROOVE SHEAVE
5 A5.6B6.0 BUSHED TAPER 2517 V-BELT 5GROOVE SHEAVE D255729
5 A7.0 B7.4 BUSHED TAPER 2517 V-BELT 5GROOVE SHEAVE D255734
5 A7.0 B7.4 BUSHED TAPER 2517 V-BELT 5GROOVE SHEAVE
5 IN VALVE STEM 2-1/4 IN OD D435008
5/8 X 3/4 IN LR STYLE USCLR UNIVERSAL SEAL CAGE LAN
5/8 X 3/4 IN LR STYLE USCLR UNIVERSAL SEAL CAGE LANTERN RING D509424
5/8IN BORE 8IN CASTER WHEEL D455888
5/8IN HEX SHAFT 15X2-1/2IN ROLLER CONVEYOR D410126
50 W/ NYLON PLOWS SINGLE STRAND 5/8IN PITCH 7FT ROL
50 W/ NYLON PLOWS SINGLE STRAND 5/8IN PITCH 7FT ROLLER CHAIN D269137
50073560 GUIDE PLATE 2-1/2X2-1/2X0.06 D38608750073560 GUIDE PLATE 2-1/2X2-1/2X0.06 D386087
500FT BLACK 18AWG STRANDED CABLE-WIRE D477011
501041 LOCK NUT 3 IN ID 4 IN OD 5/8 IN THICK D45382
501041 LOCK NUT 3 IN ID 4 IN OD 5/8 IN THICK D453823
5016F 1 IN STEEL CHAIN COUPLING SPROCKET D506074
50303556 3/4IN NPT 3/4IN OD 40IN COATED STEEL BRAID
50303556 3/4IN NPT 3/4IN OD 40IN COATED STEEL BRAIDED HOSE D326819
5049K6 1/8 IN NPT 1/4 IN FL GOVERNOR DRAIN VALVE D4
5049K6 1/8 IN NPT 1/4 IN FL GOVERNOR DRAIN VALVE D455421
5050 SPLIT STEEL 5-1/4IN BORE TAPER BUSHING D378603
5050 SPLIT STEEL 5-1/4IN BORE TAPER BUSHING D378603
50A63 STEEL CHAIN SINGLE ROW 2-3/4IN BORE SPROCKET
50A63 STEEL CHAIN SINGLE ROW 2-3/4IN BORE SPROCKET D348682
50B49 49T 1-3/8 IN SINGLE ROW CHAIN SPROCKET D38718
50B49 49T 1-3/8 IN SINGLE ROW CHAIN SPROCKET D387181
50Q40 40TOOTH STEEL CHAIN SINGLE ROW 2-7/8IN BORE S
50Q40 40TOOTH STEEL CHAIN SINGLE ROW 2-7/8IN BORE SPROCKET D312779
5-1/4 IN ID RUBBER AIR SPRING SHOCK ABSORBER D42299
5-1/4 IN ID RUBBER AIR SPRING SHOCK ABSORBER D422991
5109 53-0051 PCB CIRCUIT BOARD D465798
5-15/16IN OD CASTER WHEEL 3/4IN BORE D339724
5-1-873-9 3IN BORE COMPANION FLANGE ASSEMBLY D41929
5-1-873-9 3IN BORE COMPANION FLANGE ASSEMBLY D419294
52032 TROLLEY WHEEL 76X13X35MM D265062
资讯来源:DKC02.3-200-7-FW
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