CI854A

CI854A

CI854A

CI854A

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。

6ES7341-1CH01-0AE0     2-------------

6ES7315-2EG10-0AB0      1------------

A20B-8200-0543    1------------

FM50-2P5-OC  1

2094-BC02-M02-S  版本C 新面价：43046   1

2725W DC POWER SUPPLY (ABB GE Critical Power?CP2725AC54TEZ-IP/150038745)       10个

FR-A520-0.75K?     数量3

Tm241cec24t     2pcs

R88M-1L75030C-S2     1

0111422-080/050-C,80-50-800,Ln22BC1903,M33×2,25MPa

195-7HD10-0XA0   2

tm3di16    10 台

B3DH14D71 JKD-4505390548.02.001   1台

1734-OE4C  面价4625   2

1786-RPCD 面价 9878     

9430 054 00001   209079   型号：zetium 4kw，SN:DY2745   1

2KBF4189P002-B        1   

WXD-PCM8，光纤传输  对 1

GTT-LAN 10/100/1000M  对 3

GYTA53-24B1  米 100

SDR-75-24

FT110-3

KL3404 24v PLC   1

KL2904 24v PLC   1

KL1904 24v PLC   1

ALCL-1X-X   1

DC120110001000        3

FX-24I/160/22IN

FX-50BB

MODEL:12B，CODE NO:01,LOT 112

MODEL:24B，CODE NO:01,LOT 111

40EDR

omron SYSMAC CP1L AC100-240V

E+H压力变送器    数量1

 型号：PMP41 RE23H2H11F1 额定量程：0kPa-100kPa 输出：4mA-20mA 电源 11.5V-45V DC 大过压 0.3MPa 

 CS流量计   数量1

型号：VU579A2B1C1D1E1F1G1H1

ARND-4187A   1

ML6-8-H-40-3761，10个

MR-J4-70B  数量9

MR-J4-100B   数量4

MR-J4-500B  数量2

HG-SR502J  数量2

触摸屏 GT-2510-VTBA  数量4

FMR62-AA-A-C-C-A-GN-F5-CHK   10

PM09162L2I  特变电工功率模块  1

IAIACON-CB-20WAI-CC-0-0   1

HK-FKGD40   1

TIMKEN Tapered Roller Bearing Cup, 772B

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