LD5-LB130

LD5-LB130

LD5-LB130

LD5-LB130

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。

6AV6642-0BA01-1AX1   1-------------

6AU1400-2QA20-0AA0  4

6ES7193-6SC00-1AM0 5  

6ES7155-6AR00-0AN0  1  

6EP1437-2BA20  11 

6AV2125-2AE23-0AX0  4  

6SL3162-2AA00-0AA0  1 ---------------

TSXPSY3610  1----------------

2711P-T10C15D1   2 查不到面价------------

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

6AU1435-2AD00-0AA0---------

6AV2125-2JB23-0AX0------------

2711P-RDT10C

2711P-RN15S

6SL3210-1PE23-3UL0  1  

6SL3210-1PE18-0UL1  2  

6SL3210-1PE21-1UL0  1  

6SL3210-1PE22-7UL0  1  

6SL3210-1PE13-2UL1  1

DOP-110WS DC24V 2/460mA  1

XSAV11373，10个

XS630B1MAL2，6个

DI820  2---------------

6ES7522-5HH00-0AB0   2

6ES7540-1AB00-0AA0  1

6ES7921-5AB20-0AA0  1

6ES7923-0BA50-0CB0  2

6ES7924-0AA20-0AA0  2

6ES7592-1AM00-0XB0    1

6ES7138-6BA01-0BA0   1

6GK7343-2AH11-0XA0  1

6ES7517-3UP00-0AB0    1

6ES7215-1AF40-0XB0   2

6EP1436-3BA00     2

6EP1333-2BA20     2

HD90S-C1-MCB71   1

6ES7431-0HH00-0AB0    2------------

20F11NC011JA0NNNNN      12219     1-------------

Atlas Copco P1900520033  

PPBE0633 SRS1833950017--------------

ABB 999821   3

FESTO GERMANY  QS-3/4-12  100

Schneider Electric GV3A01   5

MMF-301  60 

6ES7241-1AH30-0XB0  2-------------

6ES7522-1BH00-0AB0  3

6ES7223-1BF22-0XA8  2-----------------

6GK7277-1AA00-0AA0  2------------

门极驱动板SK-H1-GDB1-F10D   3

门极驱动板SK-H1-GDB1-F10D  1 

TM3AI4   1个 

PHASE S-123H

1769-OF8V    面价17185    1

CI840A   --------------

RLM01

DP820    各2

3BSE013228R1

1794-OE4  新面价：8160  1

1794-OE8   2   查不到面价

1794-IE12  新面价：11080   1

1794-OB16  新面价：4065   1 

1756-CN2R/B  新面价：37785   1

1794-PS13  新面价：1946   1

1794-CE3    新面价：2089   1

20G11ND096AA0NNNNN     新面价：10136   1

MVI94-MCM  1

ACS880-104-0600A-7+E205+P922   3个

CP-C24/10.0    1

6ES7131-6BH00-0BA0  

6ES7194-4GA00-0AA0

6ES7141-4BF00-0AA0

6ES7194-4CB00-0AA0

6ES7194-4CA00-0AA0

6ES7154-4AB10-0AB0               

6ES7194-4GC70-0AA0               

6ES7193-6BP20-0BF0    各1

PCB029-382104数量2

PCB029-358592数量3

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