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A540-5.5K-CHT变频器
A540-5.5K-CHT变频器
A540-5.5K-CHT变频器
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。
700DC-PL500Z2 数量6
700DC-PLL10Z2 数量6 2304/2017
700-HT22AU24 数量6
700-HT12AU24 数量6 面价678/2017年
700DC-PL800Z2 数量6
1756-M02AE面价 34823
1734-IK面价 2283
1734-IE2V面价 2428
1734-IE2C面价 2544
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CC-SCMB02 1
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YOKOGAWA SBSD SBSD
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YASKAWA ELECTRIC JANCD-SV02C JANCDSV02C
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WHEDCO MTR-3S86-G-R-0-E-S MTR3S86GR0ES
VEE ARC 931-048 931048
TYCOR PTYSXTY480YEDRSX PTYSXTY480YEDRSX
TYCOR PTY-H-277/480-PD-4XTS PTYH277480PD4XTS
TRIDIUM INC WEB-545I-AX WEB545IAX
TREND IQ3-4002K4096 IQ34002K4096
TRANSTECTOR ACP100BW ACP100BW
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TELEMECANIQUE ATV-452D15 ATV452D15
TB WOODS DVC51000AXN0BG DVC51000AXN0BG
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SICK OPTIC ELECTRONIC LMS-200-S60 LMS200S60
SCHWEITZER ENGINEERING SEL-121F-X-4256MHNB SEL121FX4256MHNB
RELIANCE ELECTRIC FLEXPAX3000 FLEXPAX3000
RELIANCE ELECTRIC DDM-019X DDM019X
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RELIANCE ELECTRIC 10P8171 10P8171
RELIANCE ELECTRIC 0-57435-G 057435G
RELIANCE ELECTRIC 0-52837 052837
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MICROSTAR LABORATORIES DAP3200A/415 DAP3200A415
MEASUREX 51403299-200 51403299200
MEASUREX 51402755-100 51402755100
MEASUREX 09437300 09437300
LAMBDA LK343A LK343A
KRAUSS MAFFEI 5089880 5089880
KOLLMORGEN IND BDS4A-103J-0001-202A2 BDS4A103J0001202
KAIJO ELECTRIC 8801B-MR 8801BMR
JOSLYN CLARK 5DP9-9009-11 5DP9900911
JOHNSON CONTROLS NU-NCM300-1 NUNCM3001
ISSC 621-0022-VRC 6210022VRC
INDRAMAT TDM-1.2-50-300-W1-115 TDM1250300W1115
INDRAMAT MDD-112C-N-030-N2M-130PB0 MDD112CN030N2M1A
INDRAMAT MDD090C-N-030-N2L-110PB0 MDD090CN030N2L1A
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HONEYWELL R7510-B1003-4 R7510B10034
HONEYWELL R7510-B1003-2 R7510B10032
HOFFMAN ENCLOSURES AFMSC30248SS AFMSC30248SS
HOFFMAN ENCLOSURES AFMSC20206SS AFMSC20206SS
GOULDS PUMP AV2V50100D AV2V50100D
GIDDINGS & LEWIS M.1016.9428-R9 M10169428R9
GIDDINGS & LEWIS 502-03944-00 5020394400
GENERAL ELECTRIC M60-K03-HLH-F8L-H6L-M5C-PXX-UXX-WRH M60K03HLHF8LH6LM