44-10193-001

44-10193-001

44-10193-001

44-10193-001

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。

6ES7355-0VH10-0AE0   1

6ES7 321-1BH50-0AA0    4

6ES7 368-3BC51-0AA0    2

6ES7 352-1AH01-0AE0    2

6ES7 341-1CH01-0AE0  个  2

6ES7 870-1AB01-0YA0      1

6GK1 561-1AA00      2

6ES7 953-8LM00-0AA0    4

6ES7 390-0AA00-0AA0     1

6ES7 370-0AA01-0AA0     1

6AV6 545-0CC10-0AX0     1

6ES7 998-8XC01-8YE0      2

6ES7 998-8XC01-8YE2      2

6ES7 392-2XX00-0AA0      100

6ES7 953-8LL10-0AA0     10

6ES7 398-8FA10-8BA0     2

6ES7 195-1GC00-0XA0    20

6GK1500-0EA02     5

6ES7972-0BB50-0XA0     20

6ES7810-4CC07-0YA5      1

6AG7011-1BA00-0AE0      1

CI851K01    4

3BSE026055R1     2

CI856K01

SDCS-POW1    1

SDCS-POW-1

SDCS-IOB23    2

SDCS-IOB-23

SDCS-IOB3    1

SDCS-IOB-3

SDCS-PIN41A    1

SDCS-FEX2-16A    1

SDCS-FEX-2

AFPS-01C    2

OS400D03P   2

CI854K01    2

3BSE025961R1

PST85-600-70    2

3ADT-220090-R0011    1

3ADT220090R0011

ku2001-coat

SB522V1    10

CP-E24/5.0    25

SDCS-REB-1    5

6ES7 223-1BH32-0XB0   1

A06B-6087-H115     1

ABB   FENA-21      12

6AG4012-2AA10-0AX0  1

6SL3912-0AN34-0AA0     1

106-6AA70      2

516-3FN01-0AB0    1

EPSCPE100   5

EPSCPE101   5

IC200PNS001  10

IC200PWR102  10

IC200MDL650  10

IC200MDL940  10

IC200ALG240  20

IC200CHS022  40

IC755CSW07CDA  10

6ES7288-0ED10-0AA0     1

ATV32HU40N4     2

?SETZERMANN?C772-05-25? KW09/02??? ??SIEMENS? ?2?件

1794-TB3   1 面价1804

1794-TBN   1 面价1475

1756-EN4TR   3 面价41486

6ES7136-6RA00-0BF0  6   

A06B-0142-B077  1

1747-L531     19年面价：17748/

1756-L71 B      面价65362

1756-L72 B      面价94688

1762-L40BXB C9    22年面价9166

1768-L43 C      面价53675

1769-L32E A   22年面价40906

1746-IB16 C  面价4321

1746-ITB16 C 面价5939

1746-OB16 DA     面价5387

1768-ENBT A 22年面价15368

1768-M04SE/A      22年面价 10870

92432071/1734-VHSC 无面价

BGDR-11数量9

3KXF065094U0100   3

3KQZ207044U0200   5

AINT-14C   2

6ES7 314-5AE83-0AB0   带开发环境CD,带Dinrail 3m   个1

BT200 PROFIBUS总线物理测试工具6ES7181-0AA01-0AA0

DS204 AC-B32/0,03. 2CSR254001R1325   1个

DS204 M A-C6/0,03 2CSR274101R1064  1个

DS204 M A-C16/0,03. 2CSR274101R1164  3个 

DS201M-C16/0.03. 2CSR275080R1164  1个

DS201M-B10/0.03. 2CSR275180U11051个  

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