DSQC346B
DSQC346B
DSQC346B
模拟量信号连接应注意的问题变频器中的模拟量输入信号,通常指0~10V/5V 的电压信号或0/4~20 mA的电流信号;这些模拟量输入信号可通过接线端子由外部给定,当变频器与P L C 连接时,这些模拟量输入信号也可来自PLC 的模拟量输出信号,如图3 所示。在进行模拟量的连接时应注意:
(1)阻抗匹配。根据变频器的输入阻抗选择P L C 的输出模块,实现两者的阻抗匹配。
(2)电压范围。当变频器和P L C 的电压信号范围不同时(如变频器的输入信号为0~10V,而PLC 的输出电压信号范围为0~5V 时;或PLC 的一侧的输出信号电压范围为0~10V而变频器的输入电压信号范围为0~5V时),需采用串联电阻的方式进行分压,以保证两者在正常电压范围内
工作,避免电压过限可能损坏器件。
(3)采用屏蔽电缆或绞合电缆。对于变频器和P L C 而言,弱电控制信号(电压0~5V/10V、电流0/4~20mA等)易受到外界强信号的干扰,对控制信号采取适当的屏蔽措施。常用的方式就是采用屏蔽电缆进行屏蔽;对于长距离的控制回路宜采用绞合电缆,绞合电缆的绞合间距尽可能小。
(4)主、控电缆分开布线。实际连线时,注意主、控电缆分开布线,且相隔的距离。以保证主电路侧的干扰及噪音影响不到控制电路。
ABB 真空接触器 1YHB00000002582 1
6SL3958-0TX00-0AA0 1块
GE 规格型号:Multilin P485 数量:2
NW16H1 690VAC 1600A 3P固定式 1
3RS1700-1CD0 数量:2
TU516 数量:6
6GK7277-1AA10-0AA0 1
ROTEX-GS2864SHA-25-19
电缆线A06B-6079-K812
A06B-6110-K200#XXS
电机 A06B-0227-B100 ---------
77-964-2300 1
1901-1BB20-2AA0 10个
A06B-6077-H106 数量1----------
A06B-6078-H311 数量1----------
3BHE026284R0102 1个-------
ABB EXC3BHB024711R0020 Drives PDA E10 A01 : 6k100; PHASE MODULE 3X47UF
AB 755变频器功率单元驱动板SK-R1-IG1-C567D545 数量:2块 面价2542 38个
150-F317NBD 110kW 1个 面价 42940
3BHT300005R1 3
140-MN-0160 4
IMHSS03 5
FPNO-21 1
FANUC 控制卡 A20B-2101-0390/08A 2-----------
654-7HY00-0XA0 4
197-1LB00-0XA0 3
210-1PE31-1UL0 1
317-2EK14-0AB0 1
516-3AN02-0AB0 1
6SL3210-1PE31-5UL0 75KW 1
6SL3210-1PE31-1UL0 55KW 1
6SL3210-1PE23-8UL0 18.5KW 1
6SL3210-1PE23-3UL0 15KW 2
6ES7222-1BM22-0XA8 1
223-1BM22-0XA8
6ES7214-1AD23-0XB8 1
6ES7213-0HC22-0XA8 1
231-0HC22-0XA8
6ES7223-1BL22-0XA8 1
6ES7221-1BH22-0XA8 1
6ES7216-2AD23-0XB8 1
6RA8085-6GV62-0AA0-Z =G00+G20+G63+S01+L10+L99+Q80-------------
6ES7792-0AA00-0XA0 1
安川 SGMPH-15AAA61-E 1
1 有源滤波器 ABB PQFS 1M0S120 CE Art.Nr:2GCA293414A0070 1 件
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APPLIED MATERIALS 0140-70243 ASSY, MICRO SWITCH
APPLIED MATERIALS 0140-70244 ASSY SWITCH MICRO CLOSED
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APPLIED MATERIALS 0140-76014 CABLE ASSY
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APPLIED MATERIALS 0140-76016 HARNESS ASSY RS232 WAFER ORIENTER
APPLIED MATERIALS 0140-76017 HARNESS,CASSETTE INDEXER
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APPLIED MATERIALS 0140-76019 HARNESS I/F TILT CASSETTE TO LOGIC BOX.
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APPLIED MATERIALS 0140-76104 HARNESS, 4 DRIVERS TO 4 CONTACTORS
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APPLIED MATERIALS 0140-76284 H/A, AUX SWITCH
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APPLIED MATERIALS 0140-76478 CABLE ASSY,MC ROBOT MOTOR RO OMS INT
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