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649A51T51CADR
649A51T51CADR
649A51T51CADR
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。
电机 P80B22450LCPUB;50601-1412;02111601470 1
6ES7214-1AG40-0XB0 1
6ES7214-1AG40-0XB0 1-----------
6AV2123-2JB03-0AX0 1--------------
CQM1-PA206 1
WJ200-040HFC 5
ML70.100 单相输入24V 3A 1
4PP120.0571-01/138型细纱机 1
ATV312HU15N4 1.5KW/380V 1
FD100.10A-4002 2
S6-L-P01-3.0 1根
ATV61HU40N42 4KW 380V 带中文操作手册 1
Monforts-0302669 Serial-No.:00418156 24vdc/±10v 2
轴承 P101,60127-1076 1
密封胶 60347-0009 1
力士乐 伺服控制板CDB01.1C-SE-ENS-ENS-EN2-NNN-L2-S-NN-FW 1个 件号:2534904242
力士乐 伺服控制板CSH01.1C-SE-ENS-NNN-NNN-S2-S-NN-FW 1个 件号2534904212
V640-HAM11-ETN-V2 1
SPD015G 100
SGMGH-20ACA21 1
STT17H-BS 数量6
Raspberry Pi Model 3B+ 100
lmc058lf42 1个
H3YN-2 DC24 100个
伺服放大器 MR-J2S-40A 1
ATV610D15N4 2pcs
ATV610D18N4 1pc
232-0HD22-0XA0
221-1BH22-0XA8 各一
HE-CX251BA 控制模块,品牌:HORNER 1个
JZSP-C7PA2D-15-E 2
mc-4/11/10/400 2pcs
2198-D020-ERS3 27371
2198-H025-ERS 18125
2198-H015-ERS 16843 各二
1756-IF16 1 面价19517
1756-OB32 1 面价8528
1756-TBCH 1 面价1087
1756-IB32 1 面价6017
1756-PA75 1 面价14129
1756-EN2T 1 面价33310
1756-BA2 1 面价1295的
6SN1111-0AA01-0CA2 1-------------
1769-L30ER 1 面价21328
RV150N-09BKOR6TN-02048 2
FGHJ2AK-2048G-90G-NG/16K 1
RHI90N-0HAK1R6XN-01024 1
CIMR-HB4A0024AFFA 1
6FC5370-0AA0-3BA1数量1--------------
1747-M13 1 面价6475
6ES7954-8LF03-0AA0 1-------------
6GK5008-0BA10-1AB2 1----------------
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