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C316FNA3S
C316FNA3S
C316FNA3S
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PLC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PLC的输出模块,实现两者的阻抗匹配。
(2)电压范围。当变频器和PLC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PLC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。
150-F43NBR 21823 1
C98043-A7044-L1 1
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6ES7540-1AD00-0AA0 1
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ACS-AP-I
1SAJ510000R0400 UMC22-FBP.0 ABB 7
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TCSESM083F2CU0M
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153-1AA03-0XB0
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332-2BA20 1
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1756-OF4 1面价19677
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E4.2N 3200 T-LSI 3P 1
E2.2N 2500 T-LSI 3P 1
E2.2N 2000 T-LSI 3P 1
E1.2N 1600 T-LSI 3P 1
E1.2N 1000 T-LSI 3P 1
E1.2N 800 T-LSI 3P 1
E1N 630 T-LSI 3P 1
SK-G9-QOUT2-F6 37808
SK-G9-FAN1-F6 7720
1.型号:6AG4141-5BB54-0GA0 数量:1
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6.型号:6ES7195-7HG00-0XA0 数量:4
FLT007A0-SRZ ABB 500
KHHD004A2B41-SRZ ABB 500
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WILLIAMSON PRO-120-20-F-23 PRO12020F23
WESTINGHOUSE MD3B1NPFRG MD3B1NPFRG
WESTINGHOUSE 292B930A10 292B930A10
VIBRO METER CMC16 CMC16
TRICONEX 3006 3006
TOTAL CONTROL PRODUCTS QPI-CTA-E0000 QPICTAE0000
TEXAS INSTRUMENTS PLC 575-2104 5752104
TEXAS INSTRUMENTS PLC 565-2820 5652820
TELEMECANIQUE MPC-KT12NAX00N MPCKT12NAX00N
TB WOODS UVC-4050-0H UVC40500H
SYMAX 8030-ROM-121 8030ROM121
SSD DRIVES 955-8R0060 9558R0060
SQUARE D MEL36800LSG MEL36800LSG
SQUARE D ATV-58EU54N4 ATV58EU54N4
SQUARE D 1.5S1F 15S1F
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SAFTRONICS SAF402.0140 SAF4020140
REXROTH PE110 PE110
REXROTH 0-608-830-141 0608830141
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PROSOFT 3100-MCM 3100MCM
PHOENIX CONTACT IBS-IP-500-PS-2-BS IBSIP500PS2BS
PARKER 46987601L 46987601L
ORMEC MAC-B200F/K1A MACB200FK1A
OMRON V530-R160EP V530R160EP
NICOLET PROTEJE-460 PROTEJE460
NEMATRON CORP IWS-2513 IWS2513
NACHI ROP501 ROP501
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MOORE PRODUCTS 39ACM28ADN 39ACM28ADN
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