SD831

SD831

SD831

SD831

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。

RDCO-01CAN数量2

630S7 1KA021-0AA0   5

307-1KA02-0AA0

KDE2412PMB1-6A   5

6SL3210-5HE17-0UF0   1

PW9130i1000T-XL       1

6SE6430-2UD27-5CA0 数量1

350EP5S5HEENNSNDN   5

P94VB16A9C0610A   4

T35E00HKH-F8G-H6V-M8G-P6V-U6V-W6V   2

PL3700C-GS03-0-000-A080-0-0-000-10   1

6ED1055-1HB00-0BA2

6ED1055-1MA00-0BA2

6ED1052-1HB08-0BA1   各8

3VT8216-1AA03-0AA0         3

1746-OB8    19年面价：4605

1746-NO4I    21年面价：21583

1746-BAS-5/02   19年面价：19024

1746-IB8    19年面价：3863

1746-A10   面价：10566

1746-NIO4I    21年面价：22487----------------

6ES7322-1BL00-0AA0     2

6ES7195-7HA00-0XA0     4  

6DR5020-0NN00-0AA0    1

6FC5357-0BB24-0AA0     1----------------------

VVG44.25-10+SAS31.03   2

6ES7 155-6AA00-0BN0   3

ACS880-MU-ZCU-12/14   7

SACE E3H   1

7ML5746-2AA07-1AA0           1

压力变送器MF0350-1RN02-5AF2-Z~3000KPa 2

压力变送器MF4433-1GA02-1AB7-Z~500KPaVD 2

压力变送器MF4433-1FA02-1AB7-Z
.6~160KPa                 2

压力变送器MF0320-1LD01-5AF2-Z.3~130KPa              2

PLC主机卡件ES7288-3AM06-0AA0 2

7ML5746-2AA00-1AA0      1

POWER SUPPLY L007076 QC 111-112 | ABB LTD | 3AXD50000007297 | MURR ELEKTRONIK | EMPARRO 5-100-240/24 COATED | ZP162429 | ZP65T    1台

XF801  3BSE061579R1, 1个

2CF6500-1EC01-2FF3    1

2CF6350-1EC01-2DE5    1

2CF6400-1EC01-2DE6    1

6ES7 153-1AA03-0XB0  4

6FX5002-2DC10-1BA0  10M  1

6FX5002-5CG10-1BA0 10M（带电缆两端接头）  1

6SE7041-8EK85-0HA0  2---------------------

6SE7090-0XX85-1DA0  1-----------------

210-1PB21-0UL0   1

7MF4033-1GA00-2AB1-Z     Z=Y01+C11    1

HGX-0572891.0   1

6FC5851-1YG46-3YA0---------------

6FC5800-0AA00- 0YB0-------------

6FC5800-0AM02-0YB0--------------

6FC5210-0DF31- 2AB0--------------

6FC5203-0AF00-0AA3--------------

6FC5248-0AF20-2AA0---------------

6FC5303-0AF22-0AA1   各一---------------

6FX5002-2DC10-1BA0  10M   1

6FX5002-5CG10-1BA0 10M（带电缆两端接头）   1

6SE7041-8EK85-0HA0   2

6SE7090-0XX85-1DA0   1

6ES7954-BLC00-0AA0数量4

6ES7512-1DK01-0AB0数量2

WL II 3200S   1

FX2N-4AD   1

FX2N－32CCL   1

SACE E3H ue=690V 220-250V AC/DC IU=2000A    1台

PS/3AC/24DC/20    2

QUINT-PS-100-240AC/24DC/5A    1

3B-L090690N-JF00    1

TC5.551.0130      1

QUINT-PS-100-240AC/24DC/10   3

CX1900-0013 1G    2

CX1500-M310       2

CX1020-0011       2

CX1100-0002       1

CX1100-0004       1

BX9000            5

EK1110            1

EK1100            1

EL1008            1

EL2004            2

EL3064            1

EL3124            1  

EL3204            3

EL4032            1

EL6731            2

EK1521            1

EK1501            1

BC3150            1

KL1104            45

KL2408            40

KL3404            17

KL5001            3

KL3204            12

KL4001            3

KL4002            2

KL9010            12

BK3150            4

BK1250            1

KL2134            1

KL3403            1

KL3454            2

KL4032            13

KL9210            12

KL4022            8

MPC240            1

FM211             1

DI0216            1

PTAI216           3

FS211/N           1

EM203             1       

RS204             1

CM202             1

DI232             2

DIO280            1

NT255             1

OT115/R           1

BS206             1

BS210              1

SGD-120A01A002000    1

6GK1562-2AA00 数量1------------------

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ORIGINAL PANASONIC N2QAYB000345 REMOTE CONTROL DMRBW750GL DMRBW850GL GENUINE NEW

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