| 价格 | 2258.00元 |
|---|---|
| 区域 | 福建省 |
| 来源 | 厦门泰尼电气科技有限公司 |
详情描述：
P0400SR
P0400SR
P0400SR
干扰类型通常按干扰产生的原因、噪声的干扰模式和噪声的波形性质的不同划分。其中：按噪声产生的原因不同，分为放电噪声、浪涌噪声、高频振荡噪声等；按噪声的波形、性质不同，分为持续噪声、偶发噪声等；按声音干扰模式不同，分为共模干扰和差模干扰。共模干扰和差模干扰是一种比较常用的分类方法。共模干扰是信号对地面的电位差，主要由电网串入、地电位差及空间电磁辐射在信号线上感应的共态（同方向）电压送加所形成。共模电压有时较大，特别是采用隔离性能差的电器供电室，变送器输出信号的共模电压普遍较高，有的可高达130V以上。共模电压通过不对称电路可转换成差模电压，直接影响测控信号，造成元器件损坏（这就是一些系统I/O模件损坏率较高的原因），这种共模干扰可为直流、亦可为交流。差模干扰是指用于信号两极间得干扰电压，主要由空间电磁场在信号间耦合感应及由不平衡电路转换共模干扰所形成的电压，这种让直接叠加在信号上，直接影响测量与控制精度。
Allen Bradley PowerFlex 700S 450 HP 20DD500N3ENNBNANE
ALLEN BRADLEY POWERFLEX 700 20BD180A0AYNANB0 *NEW*
NEW Allen Bradley PowerFlex 700 20BD180A0ANNAND0 150HP
MINT Allen Bradley PowerFlex 700 20BD248A3ANNAND0 200HP
Allen-Bradley 50HP PowerFlex 700S AC Drive w/DriveLogic
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Allen Bradley PowerFlex 700 20BD096A3ANNANB0 /A 75HP
Allen Bradley 20BD065A2AYNANB0 PowerFlex 700 50HP
Allen Bradley Powerflex 700 20BE052A0AYNAND0 /A 50 HP
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Allen Bradley Powerflex 700 20B D 034 A 3 AYNANCO - NEW
Allen Bradley 20BB080A3ANNANA0 PowerFlex 700 240V 30HP
A-B 20BE022A0AYNAND0 POWERFLEX 700 DRIVE 20HP TESTED
NEW AB ALLEN BRADLEY POWERFLEX 700 AC DRIVE 15-20 HP
Allen Bradley Powerflex 700 20BD022A3AYNADC0
ALLEN BRADLEY 20BD027A0AYNANA0 POWERFLEX 700 *NEW*
Allen Bradley PowerFlex 700S 20DD027A0EYNANNNA A 20HP
Allen Bradley Powerflex 700 25 HP 20BD034A0AYNAND0
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ALLEN BRADLEY POWERFLEX 700 20BD5POA3AYNAEAO NEW NO BOX
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NEW Allen Bradley Powerflex 700 20BD027A3AYNAND0 20HP
USED Allen Bradley 20BD022A3AYNARC0 PowerFlex 700 Drive
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ALLEN BRADLEY POWERFLEX 700S 20DD8P0A0EYNANNNN
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Allen Bradley 20BD022A0AYNANC0 PowerFlex 700 15HP Test
Allen Bradley Powerflex 700 20BD027A3NYNARB0 /A 20HP
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Allen Bradley Powerflex 700 Cat# 20BD3P4A3AYNACC1
Allen-Bradley Powerflex 700s 20DD027A0NYNANNANE
Allen Bradley PowerFlex 700 20BD027A0AYNANB0 A 20HP
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Allen Bradley PowerFlex 700 20BD8P0A3AYYACD1
USED Allen Bradley 20BD014A0AYNANN0 PowerFlex 700 Drive
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ALLEN BRADLEY POWERFLEX 700 20B B042A0AYNBND0 15HP DR
AB PowerFlex 700 3hp drive 20BD5POA3AYNANA0 New No Box
NIB Allen Bradley Powerflex 700 20BD8P0A0AYNAND0
Allen Bradley Powerflex 700 1 HP 20BD2P1A3AYNADB0
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Allen Bradley 20BD014A3AYNARC0 PowerFlex 700 Drive
| 联系人 | 小黄销售代表 |
|---|
