连接器6FX2002-1DC00-1EA0

连接器6FX2002-1DC00-1EA0

连接器6FX2002-1DC00-1EA0

连接器6FX2002-1DC00-1EA0

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PLC）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PLC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PLC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PLC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PLC和变频器分开接地，避免两者使用共同的接地线。

1756-EN2TR  2面价45579

1734-ACNR 数量 2  6528

20G11NC015JA0NNNNN   26227

20-COMM-H            2365

20-750-20COMM         689

SPS02  7760690157  3  

TAI02-B BTBR19F0037  20

140CPS12420   1

1756-PB72      1      面价14644

150-F480NBD    面价80254  1

150-C251NBD    面价39847        1

100879-001    1个

100472-012    1个

128476-001    1个

125513-001    1个

7ME3940-0SA00 1

7ME3940-0PB01 1

7ME3960-0SM40 16

7ME3950-2LR00 2

7ME3940-0AL01 2

XCR-F57  7pcs

22A-B4P5N104 10pcs 面价4664

20BC170A0ANNANC0  1PCS 面价167220

6FX5002-2DC20-1AC1 20m

6ES7952-1KS00-0AA0   2

6ES7195-1GA00-0XA0   4

6ES7195-1GG30-0XA0   2

TAE 50-30-11-52 /ABB   20个     VZ3TM1425M1671    6

VX5A1300      2

VW3A3407    1 

VW3A3307      1

VX4A1200     2

VX5A1203    3

VY1A1109     3

VZ3IM1603M1271   12

VW3A7102       1

VX5A1HC4050     1

VX5A1400     2

VX4A71101Y     1

VZ3V1212     3

Digital Output Card 8D D0561

CPU PM554-R 24VDC programmed

FISHER ROSEMOUNT 400-11  40011

FANUC A20B-8001-0124  A20B80010124

FANUC A16B-0160-0950  A16B01600950

FANUC A06B-6096-H103  A06B6096H103

FANUC A06B-6058-H331  A06B6058H331

FANUC A06B-6058-H227  A06B6058H227

FANUC A06B-6052-H003  A06B6052H003

FANUC A06B-6044-H112  A06B6044H112

FANUC A06B-0859-B200  A06B0859B200

FANUC A06B-0601-B032  A06B0601B032

FANUC A06B-0581-B031  A06B0581B031

FANUC A06B-0502-B031  A06B0502B031

FANUC A06B-0502-B001  A06B0502B001

FANUC A06B-0148-B176  A06B0148B176

FANUC A06B-0128-B677  A06B0128B677

ENTEK C6686  C6686

EDWARDS MC4-160C1-4  MC4160C14

EDWARDS 6515-3  65153

EATON CORPORATION 6702ED584-2  6702ED5842

DATALOGIC DS8100A-3020  DS8100A3020

CUTLER HAMMER SV9IOC100  SV9IOC100

CUTLER HAMMER SV9050AS-2M0A00  SV9050AS2M0A00

CUTLER HAMMER RD320T35W  RD320T35W

CUTLER HAMMER ECA2221FAF  ECA2221FAF

CONTROL TECHNIQUES SPMD1604S  SPMD1604S

CONTROL TECHNIQUES RT-440SB  RT440SB

BTG CONSISTENCY-TRANSMITTER  CONSISTENCYTRANS

BOSCH 1070078431-206  1070078431206

BALDOR ZHH430-E  ZHH430E

BAILEY CONTROLS YPC-111A  YPC111A

BAILEY CONTROLS 6637033A  6637033A

AVTRON DC0056-4EN0-C  DC00564EN0C

AVG UTICOR 100G-UT15T3R1  100GUT15T3R1

ATLAS COPCO PF2102-S7-115R  PF2102S7115R

ASEA BROWN BOVERI YB161102-BK  YB161102BK

ASEA BROWN BOVERI OES800L3  OES800L3

ASEA BROWN BOVERI 57088630  57088630

ASEA BROWN BOVERI 4414129285  4414129285

ASEA BROWN BOVERI 3AFE61004955  3AFE61004955

ALLEN BRADLEY MPL-B880C-MJ72AA  MPLB880CMJ72AA

ALLEN BRADLEY MPL-B660F-SJ22AA  MPLB660FSJ22AA

ALLEN BRADLEY 86002250B  86002250B

ALLEN BRADLEY 6181-ACBCABZZA  6181ACBCABZZA

ALLEN BRADLEY 6181-ACBBBBZZZ  6181ACBBBBZZZ

ALLEN BRADLEY 5250-LP  5250LP

ALLEN BRADLEY 509-FOB  509FOB

ALLEN BRADLEY 501565  501565

ALLEN BRADLEY 2711P-K15C4B1  2711PK15C4B1

ALLEN BRADLEY 2711-B6C10  2711B6C10

ALLEN BRADLEY 20DD065A3EYNANCCLMOD  20DD065A3EYNANC2

ALLEN BRADLEY 20BD125A0NNNANC0  20BD125A0NNNANC0

ALLEN BRADLEY 20BD040A0AYNANA0  20BD040A0AYNANA0

ALLEN BRADLEY 1791-IOVW  1791IOVW

ALLEN BRADLEY 1785-L40C  1785L40C

ALLEN BRADLEY 1771-NT2  1771NT2

ALLEN BRADLEY 1771-DR  1771DR

ALLEN BRADLEY 1771-DMC4  1771DMC4

ALLEN BRADLEY 1756-M3  1756M3

ALLEN BRADLEY 1756-L1  1756L1

ALLEN BRADLEY 150-B24NBDB  150B24NBDB

ALLEN BRADLEY 1397-A005R-PE-HAB  1397A005RPEHAB

ALLEN BRADLEY 1395-KP51  1395KP51

ALLEN BRADLEY 1395-B72-C2-P10-X1  1395B72C2P10X1

ALLEN BRADLEY 1392-B075-RH-MC-A-H-D1-F1-F4  1392B075RHMCAHD1

ALLEN BRADLEY 1336VT-B025-EOP-L3  1336VTB025EOPL3

ALLEN BRADLEY 1336S-BRF100-AN-EN4-HA2  1336SBRF100ANEN2

ALLEN BRADLEY 1336S-B030-AA-EN-HA1-L6  1336SB030AAENHA1

ALLEN BRADLEY 1336-B025-EAF-S1-HJP-L1  1336B025EAFS1HJP

ALLEN BRADLEY 1326-DPS-2C  1326DPS2C

ALLEN BRADLEY 1326AB-B520F-21-K5  1326ABB520F21K5

ALLEN BRADLEY 1326AB-B515E-21-K5L  1326ABB515E21K5L

ALLEN BRADLEY 1326AB-B3E-11-A5  1326ABB3E11A5

AFP TRANSFORMERS INC 410906R2  410906R2

ACTUS POWER NPSA-2.5NN-40E3  NPSA25NN40E3

ACCURAY 61595-003  61595003

ACCURAY 083886-001  083886001

ACCURAY 082157-002  082157002

ACCURAY 064851-001  064851001

ACCURAY 061552-001  061552001