3BSE009799R1

3BSE009799R1

3BSE009799R1

3BSE009799R1

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。

OZD-PROFI-12M-G12  2

6SL3210-1PE31-1UL0

SEW电机减速机SA77 DRS100M4BE5HF/V 3KW

25.10185189.09.0001.14.68                 1

KBFTG4V-5-2B70N-Z-M1-PE7-H7-12  1

PGH3-22/016RE07VU2?PGH2-22/008RR07V   2台

KL2541  BECKHOFF   2个

SSTPB3-CLX-RLL   1--------------------

6ES7416-2XN05-0AB0   1   ------------------

6GK7443-1EX20-0XE0   1----------------

6ES7193-4CD30-0AA0   15

6SE7031-5EF84-1JC1   5-------------------

PSC1-C-10-FB1       1-----------------------

XF801 3BSE061579R1--------------

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

EN60034   1

VOSONDY-SPV   3

PNF221-G-6A   1

DF-80F   2

52JD-7/25  2

2W-40F/DC24V   2

ECI-L8214G20   1

K-PW11   1

G3NB-210B-1   1

YVP100L2-4   1

AC10-T3-1R5G-6   1

CSIU030   2

TPC7062TX   2

1SMH1-40B30CB   2

ACOPOS1045   2

Y112M-2   1

便携式红外测温仪SEND-DI-HT2    2

E5EC-QQ4ASM-000    1个

PIO-32/32L数量1

DO-16R   2个

CTS-II-17KW  4个

CTS-I-22KW   4个

CTH-I-30KW  2个

QS-D30T  1套

6SL3120-1TE32-0AA4

6SL3330-1TE41-5AA3    各一

D2D160-CE02-16 230V   1

PVM14.1ER09GS02AAA28000000A0A   1个 油泵1台，不带电机。和这个配套的骨架油封1个，包含O型圈

变桨变频器ECSCA048C4V      2个

伦茨变桨变频器   ECSCA048C4V    2个

NJ501-1400   20

MD810-50M4T3.7G200   5

电源总成编号: 637-162服务编号: 742-342安装说明: 574-911   1

欧姆龙 模块 CJ1W-ID211     4个

欧姆龙 模块 CJ1W-OD211     4个

欧姆龙 模块 CJ1W-AD081-V1  4个

欧姆龙 模块 CJ1W-II101     4个

欧姆龙 模块 CJ1W-IC101     4个

欧姆龙 模块 CJ1W-SCU31-V1  4个??

HIES312097R00012~30kPa    12只

DES750C-Z1  1

PQFS-120A/4L   1

FX3U-4AD

FX2N-2DA

FX2N-32CCL 各10

ESA-Y3060A23       1

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