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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。

ACS880-01-430A-3-P902   2

ACS550-01-125A-455   4

TSXP574634   1-------------

6SL3310-1CE35-8AA0   1

194E-E63-1753-6N  27个  445

6EP1332-1SH52      20

ABB电流互感器ES1000C 1000A-600V     3未税

ACS580-04-505A-4    1

QR12A2.B180B   1套

6SL3352-1AG41-0FA1   2

6FC5247-0AA30-0AA0   1-----------------

6SN1123-1AA00-0BA2   1

6SN1123-1AA00-0CA2   1

6SN1115-0BA11-0AA1   1

6SN1118-0DG23-0AA1   1----------------

6SN1118-0DK23-0AA2   1-------------

6ES7338-4BC01-0AB0   6

6ES7138-4DB03-0AB0   3

6AV6644-0AA01-2AX0   1-----------

6SL3362-0AF01-0AA2   1

6ES7215-1BG40-0XB0   1

6ES7 193-4CF50-0AA0   2

6AU1425-2AD00-0AA0---------------

6SL3120-1TE13-0AD0 1

6SL3120-2TE13-0AD0 2

6AU1400-2PA23-0AA0 1

6SL3130-6AE15-0AB1 1

6EP1931-2FC21  1

6EP1935-6ME21   1

3SE5132-0BJ01  数量1

212-2BC00-2AA3 1

6ES7340-1AH02-0AE0       1--------------

mvi56e-mcm  1--------------

20-750-S   1 面价993

20-750-ENETR   1 面价3711

25B-D010N104   1 面价6576

25B-D043N114   1 面价24375

1734-AENT   1 面价4305

1734-AENTR   1 面价5118

1734-TB   1 面价190

1734-IB8   1 面价974

1734-IT2I   1 面价2797

1734-TBCJC   1 面价708

1734-OW4   1 面价1413

1734-IE2C   1 面价2570

1734-OE2C   1 面价2643

HW0301226-1   2

HW0301227-1   2

6ES7193-1CL10-0XA0      1

6SN1145-1BA01-0DA1      1---------------

6SN1123-1AA00-0EA2    1

6SN1123-1AA00-0EA2            1

3G3MX2-A4007-Z           2

A06B-6270-H011#H600    1---------------

A06B-6220-H022#H600     2-------------

XB5000-4T-132G        1-

210-1PE12-3UL1      1

210-1PE21-1UL0      2

F3W-D052D-L            2

F3W-D052D-D          2

P60B13150HCX23    1个

ATV320U40N4C    4

HMISTO705     4

型号：990NAD23000

TSXP572634M         1        面价19348-----------------

6AV2124-1QC02-0AX1    1个

1761-NET-ENI       面价11344.8

6AV2124-0GC13-0AX0   ---------------

6ES7414-3XM05-0AB0-------------

6ES7511-1AK02-0AB0-----------

396563-16-3--------------

212-1BB20-0XB0   各2

防爆插头PRE463PRAC380V3AExdeⅡCT6IP66，1件，品牌：APPLETON

触摸屏 6AV2124-2DC01-0AX0 SIEMENS  1个----------

IM1-451Ex-R        10

6SL3120-1TE21-8AA4，1件

CV500-II201     2  

CV500IC201     1  

CVM1-PA208    3  

C200HW-PA204 1  

CVM1-CPU21-V2    1  

C200H-PS221     1 ，

6FX2007-1AC14     2-----------------

霍尼韦尔

火焰探头  1套

C7035A 1080 R130-5845（带插头连接线）

安川  JAMSC-B2902V         2

CIMR-G7A4015   4台

CIMR-G7A4045   2台

CIMR-HB4A0045ABC  1台

U41-U42 MDBUN-90-T  2台

CIMR-VA4A0011BAA   5.5KW.14A    1台

CIMR-G7A4055     2台-------------------

Controller ?HYUNDAI ?控制卡 RELAY BOARD,MVS-RLY1-100;HYUNDAI ELEVATOR              1

EFC5610-11K0-3P4-MDA-7P-FCPNN-NNNN  1

控制卡 RELAY BOARD,MVS-RLY1-100    1个

AX71/1214EK.42DPX-F0:5604数量1

6FC5220-0AA22-2AA0-----------

6SY7000-0AE00------------

6SE7027-2ED61------------

9907-014  5500----------

6RA7018-6DS22-0-----------

ACH580-01-145A-4 75kW 380V  2

ABB frequency inverter model: ACS800-01-0040-3+E200+K458+P901        

ATV320U75N4B  1

触摸屏 6AV7894-0AD30-1AB0  SIEMENS 1个

124-1QC02-0AX1  1个 ---------------

6SL3352-1AG41-0FA1   2----------------

ACS550-01-072A-4     2

FR-A840-02600-2-60   1

6ES7155-6AA01-0BN0   10----------

6ES7151-1CA00-0AB0    3

2198-D020-ERS3   27641 

2198-D012-ERS3   25423

数据总线插头          6ES7972-0BA12-0XA0            20

安川模块   261IFMB   87317-26101-S0104      2

2711P-K6M20D8   1  19922

2711-NC13   1  2958 

LX660-8077-T259/L4R203 AO

LX660-4077-T297/L3R703 FG

1756-OB16E  面价7094

1756-IB16   面价4620 

20AC5P0A0AYNNNC0 2.2KW 面价10070 

20-750-ENC-1     面价1175   

6SL3040-1NB00-0AA0   数量1

ATMT043P2B    2

6FC5851-1YG46-3YA0   1

6FC5800-0AN00-0YB0   1

6FC5800-0AS32-0YB0   1

6FC5800-0AM07-0YB0   1

8527/23-13-1072   2

FX1S-14MR-001   2

MBR1060   10

SDN-20-24-100P   1

6GK1901-1GA00   4

6GK190-11BB10-2AA0   20

6GK1901-1BB10-2AA0

MCH2001030   1

1492-L3   6

8010/2-01-WS   5

99282-4-7320   2

6SE7090-0XX84-0FF5   2

BC100KA   3

C98043-A7001-L1-12    1

9907-014   1

6RA7018-6DS22-0   1

APT LW39-16   1

1SDA070822R1    1

1SDA071662R1   1

6SY7000-0AC45   3

6RY1701-0BA00   3

6RY1702-0BA00   3

SA72V-0500   2

6EP1332-1SH51   1

6SE7090-0XX84-3DB1   1

6SL3210-1PE34-8AL0 250KW   3

6SL3255-0AA00-4JA2      3

6SL3210-1SE27-5UA0   1个

6SL3225-0BE35-5AA0   1个

6SL3225-0BE34-5UA0   1个

1202-C03 A  面价1570   数量1

Square-D 1707-S1-T20 Size 2 Coil 110V U 11/3/7

Square-D 2183-S44-Q30A Size 00 110V Coil U 11/3/2

Square-D 2183-S44-Q30B Size 00 120V Coil U 11/3/2

Square-D 2183-S7-Q30A Size 00 110V Coil U 11/3/2

Square-D 31063-409-38 Size 2 Coil 120V U 11/3/6

Square-D 8502-SPL Size 2 Contactor Open 3P U SQ/SK

SQUARE-D 8536 SB0-2 SIZE 0 OPEN STYLE STARTER W/ ADDITIONAL 120V COIL

Square-D 8536-AG2 Size 00 Starter Open 3P U SQ/SK

Square-D 8536-AO2 Size 00 Starter Open 3P U SQ/SK

Square-D 8536-BO2/220 Size 0 Starter Open 3P U SQ/SK

Square-D 8536-BO2/600 Size 0 Starter Open 3P U SQ/SK

Square-D 8536-EG2 Size 3 Contactor Open 3P U SQ/SK

Square-D 8536-SBG Size 0 Contactor Open 2P U SQ/SK

Square-D 8536-TG2 Size 2 Starter Open 3P U SQ/SK

Square-D 8702-D02 Size 2 Reversing Starter 3P U SQ/SK

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SQUARE-D NEMA SIZE 00 STARTER 2HP 8536-SAO12 9065-SSC10

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