SEW MDX61B0014-5A3-4-0T 变频器

SEW MDX61B0014-5A3-4-0T 变频器

SEW MDX61B0014-5A3-4-0T 变频器

本公司中海德（福建）工业设备有限公司专业销售大型进口各种品牌DCS系统模块备件：主营产品：DCS集散式控制系统、PLC可编程控制。

主要业务: ABB DCS卡件Ovation系统模块Foxboro系统卡件Triconex系统模块

Rexroth力士乐全系列产品Modicon停产模块 等各类工控产品施耐德140系列CPU,PLC

西门子6DD，6FX，6SC，6FC，6S5系列AB1746，1756，1747，1785系列PLC 

GE 通用电气 发那科

订购专员：陈小真

订购热线：18005006971/  0591- 83566917

在线咨询qq：2851617312

传真：0591-83489960

地址：福建省福州市高新区乌龙江大道正荣财富中心B座八层

4、负载惯性

有些场合例如大部分通风管道，对电机及时停下并无要求，有的传输带则要求及时停下来，因此也可以作为选购变频器的参考条件。

一台西门子变频器，是可以控制多台电机的。这种应用情况，我们通常称为“一拖多”。运行多年也很少出故障。不过变频器一拖多要注意以下几点：

1、控制方式一定要用线性的V/F控制

2、一拖多仅运用于对电机转速调节无严格要求的场合；

3、各个电机额定电流的总和要小于变频的额定电流；

4、各个电机上要加装独立的热继电器。

5、各电机功率尽量一致

6、各输出回路物理特性差异尽量小，包括：

A、电机特性，如转速；

B、电缆特性，如截面积，长度，材料。

7、如果电机特性基本一致，电缆长度接近变频器允许的极限长度时可采取增加出线电抗器、降低开关频率、适当加大变频器等方法。

对于中端应用，客户在选择变频器时，通常都会考虑西门子或者ABB。的确，在高端的某些特殊行业，比如起重、轧钢等，个人觉得使用西门子等国外品牌的变频器，也会多一点保障，少出一点故障的。后期使用上还是省心不少的哦。

BENTLY NEVADA 2789-156 (Used, Cleaned, Tested 2 year warranty)

14 day WARRANTY Bently Nevada 3300/48-01-01-01-00 Case Expansion Monitor

Bently Nevada 3300/48-01-01-01-00 Case Expansion Monitor

BENTLEY NEVADA 20929-04 PROXIMITOR SIGNAL ConDITIONING UNIT MODULE + PROBE SENSO

Bently Nevada 126615-01 PROXIMITOR I/O MODULE - Used

BENTLY NEVADA 330180-90-00

BENTLY NEVADA 86691-04265-0435-15 (Used, Cleaned, Tested 2 year warranty)

Bently Nevada 3500/50 350050 3500-50 Tachometer Module

BENTLY NEVADA 330171-00-10-05-02-00 1/4-28 5MM PROXIMITY TRANSDUCER Box39B

Bently Nevada Vibration Monitor 7200 VIB Series 72471

Bently Nevada Vibration Monitor 7200 VIB Series 72471

BENTLY NEVADA CABLE PART#: 2789-168

BENTLY NEVADA CABLE PART#: 2789-168

BENTLY NEVADA 3500/33 16 CHANNEL RELAY MODULE

Bently Nevada PC Board Terminal for Distribution Module 78432-02 J 110VAC

Bently Nevada PC Board Terminal for Distribution Module 78432-02 J 110VAC

Bently Nevada 127610-01 Power Supply Module 3500/15 System PLC 12761001 PS

Bently Nevada 127610-01 Power Supply Module 3500/15 System PLC 12761001 PS

Bently Nevada 9000 Series Display 90120-02-xx 15617-01

Bently Nevada 9000 Series Display 90120-02-xx 15617-01

Bently Nevada 88199-01 88286-01H Temperature Control PLC PWA88199-01 8828601H

See more like thisBently Nevada 88199-01 88286-01H Temperature Control PLC PWA88199-01 8828601H

Bently Nevada 40892-01 Rebam 1m MicroPROX Proximitor Sensor PLC Module 4089201

Bently Nevada 40892-01 Rebam 1m MicroPROX Proximitor Sensor PLC Module 4089201

Bently Nevada 3300 System Monitor 3300/01

Bently Nevada 3300 System Monitor 3300/01

Bently Nevada Terminal 88286-02e OVP

BENTLY NEVADA 3500/04 EARTHING MODULE

BENTLY NEVADA 3500/20 RACK INTERFACE MODULE

Bently Nevada 149986-01 3500/33 16 Channel Relay Module - Used

Bently Nevada 149986-01 3500/33 16 Channel Relay Module - Used

Bently Nevada 4-Channel Relay Module: 3500/32-01-00

Bently Nevada 133396-01 OVERSPEED DETECTION I/O MODULE - New No Box

Bently Nevada 133396-01 OVERSPEED DETECTION I/O MODULE - New No Box

BENTLY NEVADA PWA 13579901 DISPLAY INTERFACE MODULE *NEW NO BOX*

BENTLY NEVADA PWA 13579901 DISPLAY INTERFACE MODULE *NEW NO BOX*

Bently Nevada XDCR I/O & Record Terminals 81546-01 8154601 79748-01H 79748 01 H

BENTLY NEVADA SHIELDED CABLE 4454-156

BENTLY NEVADA SHIELDED CABLE 4454-156

Bently Nevada 3500 AC Power Distribution Module 125840 -02

Bently Nevada 3500 AC Power Distribution Module 125840 -02

Bently Nevada 89998-01 System Monitor - New No Box

Bently Nevada 7200 Power Supply 72050-01-01

Bently Nevada 7200 Power Supply 72050-01-01

Bently Nevada 3500/42M Proximitor / Seismic Monitor 176449-02 V PLC Bentley 42 M

Bently Nevada 3500/42M Proximitor / Seismic Monitor 176449-02 V PLC Bentley 42 M

BENTLY NEVADA VGA DISPLAY I/O MODULE 147663-01 (L1-2)

BENTLY NEVADA VGA DISPLAY I/O MODULE 147663-01 (L1-2)

BENTLY NEVADA Bentley 133323-01

Bently Nevada 7200 Power Supply 72250-04-01

Bently Nevada 7200 Power Supply 72250-04-01

Bently Nevada Accelerometer Sensor Card 170180-01-00 17018001 NEW

Bently Nevada 330750-80 Transducer Velocity Control Velomitor Probe Bentley

Bently Nevada 330750-80 Transducer Velocity Control Velomitor Probe Bentley

Bently Nevada 24653-1-2-30-90-2 Vibration Sensor Probe no box

BENTLY NEVADA 125720-01 3500/32 4 CHANNEL RELAY MODULE

BENTLY NEVADA 330901-00-24-05-02-00 3300XL NSV PROXIMITY PROBE D552798

Bently Nevada 288055-01 3500/22M Transient Data Interface - New No Box

Bently Nevada 288055-01 3500/22M Transient Data Interface - New No Box

Bently Nevada Dual trust position monitor 3300/20 -12-01-00-01-01 OVP

Bently Nevada Dual Accelerometer Monitor 3300/26-01-11-11-00-01-02-00 RMS PLC

Bently Nevada 3500/42m Proximitor/Seismic Monitor Nov

Bently Nevada 7000 Velomitor XDucer I/O & Record Terminal 107321-01

Bently Nevada 7000 Velomitor XDucer I/O & Record Terminal 107321-01

Bently Nevada PWA85125-01 Circuit Board PWB85127-01 - Used

Bently Nevada 3300/40-xx-01-02-00-00 Eccentricity Monitor Modul