PSA-1509U电源_厦门海通华业科技有限公司

PSA-1509U电源

数字量信号连接应注意的问题

变频器的输入信号中包括对运行/ 停止、正转/ 反转、点动等运行状态进行操作的数字量输入信号（开关型指令信号），这些信号常来自PLC 的数字量输出信号。PLC 通常利用其内部的继电器接点（继电器输出型P L C ）或具有开关特性的元器件（晶体管输出型PLC）与变频器相连，得到运行状态指令，如图1 和图2 所示。在进行数字量信号的连接时应注意：

（1）使用继电器输出型P L C 与变频器相连时，应注意接触不良常带来变频器误动作，因此在实际接线中要注意连接可靠。

（2）使用晶体管输出型P L C 与变频器相连时，应注意晶体管本身的电压的高低、电流的大小等限制条件在其范围内，保证系统的可靠性。

（3）设计变频器的输入信号电路时，应尽量避免采用继电器等感性负载，因继电器开闭产生的浪涌电流可能引起变频器的误动作。

（4）当P L C 输出的开关信号进入变频器时，有时会发生外部电源和变频器控制电源之间的串扰，应注意对P L C和变频器分开接地，避免两者使用共同的接地线。

1783-BMS10CGN 3 面价30990

AB 191S-ANEJ3-CB25C 面价5625 140M-C2E-B25 面价519 100-C09E*10 A 面价991

6ES7132-4HB01-0AB0

2097-F5 334771403 面价1063

25-RF7P5-AL 面价631 各1

A5E03307079

A5E03307031

A5E00329511

A5E00748642

A5E01407049

A5E03307638

A5E03307618

A5E01095781

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A5E00438473

A5E00478865

A5E00421036

A5E03128933

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PXAH 401 3BSE017235R1 1

Millmate Controller 400R 型号：PXAA 401；订货号：3BSE 017233R1 1

3BSE017233R1

型号：PMSA 122；订货号：3BSE 005677R1 1

型号：PMSC 122E20S；订货号：3BSX 800503-113；长度：20米

型号：PMSC 122E20S；订货号：3BSX 800503-120；长度：20米

SCHNEIDER ELECTRIC LEXIUM 32 LXM32MD30N4 数量1

ABB SACE E2N 20, Iu=2000A, Ue=690V, 50-60Hz 3P 带手操

CVAR-01C 3AUA0000044173 1

ACS510-01-125A-4 1

MS325-9 3

6GK1503-3CC00 4台

PCI-1713U-BE ADVANTECH 1

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PCI-1724U-BE ADVANTECH

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YOKOGAWA DX220-2-2/AR2/F1/M1 DX22022AR2F1M1

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YASKAWA ELECTRIC CIMR-F7U40371E CIMRF7U40371E

XYCOM 9465-KPM 9465KPM

WESTINGHOUSE NL-1052 NL1052

WESTINGHOUSE A200M5CXXZ1 A200M5CXXZ1

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TELEMECANIQUE TSX RPM 51216 TSXRPM51216

SYMAX 8055-SCP-655 8055SCP655

SUPERIOR ELECTRIC MX2000-2 MX20002

SQUARE D MXL3660061212 MXL3660061212

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SQUARE D CM-4000T CM4000T

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SHARP GPB-3 GPB3

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SECO SV3440-01000 SV344001000

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RONAN ENGINEERING CO 8.8LC-2000 88LC2000

RITTAL 3391.140 3391140

REXROTH 1070070309 1070070309

RELIANCE ELECTRIC SA3000DC70 SA3000DC70

RELIANCE ELECTRIC SA3000DC17.5 SA3000DC175

RELIANCE ELECTRIC 897.16-00.A 8971600A

RELIANCE ELECTRIC 86466-25 8646625

RELIANCE ELECTRIC 837.20.01 8372001

RELIANCE ELECTRIC 801466-R 801466R

RELIANCE ELECTRIC 801463-R 801463R

RELIANCE ELECTRIC 61C-540A 61C540A

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RELIANCE ELECTRIC 45C-610 45C610

RELIANCE ELECTRIC 3RA2015U 3RA2015U

RELIANCE ELECTRIC 2GU41015-J 2GU41015J

NEMATRON CORP IWS5826 IWS5826

NELES CONTROLS CORP B1CU13/55L B1CU1355L

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MTS SYSTEMS CO 471908-02 47190802

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