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3BDS008510R06

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3BDS008510R06

3BDS008510R06

3BDS008510R06

 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。

10-8

MDX61B0040-5A3-4-0T

1SBN020301R1000      10

XKDF-13440000数量18

1SD536F2-CM1200E4C-34N 10

1SD536F2-CM2400HCB-34N 10

EBE-46-535-3

EBE-46-495-3    各五

E5ZE-CBL200   40

MTL7760AC    1

Memory 1GB ECC Expansion,  MZ-PCEM1  5

FCCD143ADC   20

FCCD143AEDC   20

FRN132G1S-4C        1

E5CN-R2T   2个

EVM58N-011PNROBN-1213数量1

6ES7132-4BB31-0AB0    5

6ES7158-0AD01-0XA0   1

SKH G1 1/2 40 31231数量1

CP1L-L14DT-D   1个

K7M-DR60U-24VDC   1

SM250-22110423    1

F-20MR-E   3

FX2N-1PG   2个

HMD8-4C1

HV300-A04T01850        1

PIS843UH-1CS21-42DA/CE 2台

CEXSPUCZXSPMZZ   1

70BA01C-S   2 

HESG447260R2

6ES7231-7PB22-0XA8 数量1

20G11NC085JA0NNNNN  一台  面价66670--------

编码器 ID749147-02 西门子 1

ERN1387.035-2048

6SL3210-1SE21-8UA0?           – 1?рс

PCI-GPIB  20片

6SL3352-3AE33-8AA0   西门子的这个数量2个

SCHNEIDER

HARS700/200 (LHE1411053060-001),2个

7ME4100-1CL10-2AA1    数量: 1

7ME4100-2CN10-1AA1   数量: 1

HME0200D  1

HME0300D  1

SGMAV-C2AAK-NS12   1个

1SDA013877R1      1 

6ES7972-0BA12-0XA0,数量4件

Bosch 0-811-405-126    1

0811405126

VT-MSPA1-508-10/V0

6SL3210-5FB10-1UF2   1

6SL3260-4MA00-1VB0   1

1LE0001-1DA33-3FA4    1

6ES7553-1AA00-0AB0   2

6ES7526-2BF00-0AB0   3

6SL3210-5HB10-8UF0     2

6FX8002-8QN04-1AH0    2

6SL3210-5FE10-8UF0    2

6FX3002-5CL02-1BA0    2

6FX3002-2DB10-1BA0    1

6FX3002-5BL03-1BA0     1

6SL3210-5FE11-0UF0     2

6FX3002-5CL02-1BA0   2

6FX3002-2DB10-1BA0    1

6FX3002-5BL03-1BA0     1

6ES7511-1AK02-0AB0   1

6ES7521-1BL10-0AA0    1

6ES7531-7QD00-0AB0   1

6AV2124-0GC01-0AX0  1

6ES7954-8LC03-0AA0    1

6ES7590-1AC40-0AA0     1

6ES7521-1BH10-0AA0    1

6ES7223-1PL32-0XB0     8

6ES7193-6BP20-0DA0    2

6ES7193-6BP20-0DA0 辅助端子  13

METSEEM6400NGRSCL1   1

K2E225-RB92-09   1

6ES7517-3HP00-0AB0      1

6ES7960-1CB00-0AA5       1

CPU 1756-L7SP     1 个  面价13334

智能电表 1420-V2A-ENT  1 个  面价11413

PLC电源 1756-PB75    1 个  面价13673

CPU 1756-L73S    1 个  面价148482

6AV7200-0BB00-2FA0 1

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