具体措施速开关选用2W、10KΨ绕线电位器（RP），接至变频器的外部给定调节输入点（REF、GND2、A1），可以使变频器的输出频率在0～50Hz范围内改变，从而实现对电机的无级调速；启动/停止信号接至变频器的启动/停止点（SPL、DI1）；将报警信号接至变频器的继电器输出点（RO31、RO32），当变频器工作异常时报警停机。
　　参数并开机调试设备。将变频器的启动频率由1Hz缓慢上升（即电机转速由0转/min缓慢上升），并监视变频器的输出电流和GV1风筒上的抽吸仪表指示。当变频器的频率上升到49.5Hz时，变频器输出电流为176A，抽吸量指示为-105mbar，能够满足生产需要，迅速地恢复了生产。
　　结语通过生产实践中的实例说明，采用替代的方法维修设备具有针对性，使维修工作变得简单。采用这种方法不但降低了停产时间，而且节约大量资金，对于改造类似的进口设备有很好的借鉴作用。

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Reliance Automax Processor Module 57C407
Reliance Electric 57C43*
RELIANCE ELECTRIC 3141-TY NSFP 3141TY
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RELIANCE ELECTRIC RFC-125 NSFP RFC125
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Automate 45C60A Output module (C-H / Reliance)
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RELIANCE ELECTRIC CRCG REGULATOR MODULE BOARD: 0-51851-6
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Reliance Electric 57406
RELIANCE ELECTRIC 57C402
RELIANCE ELECTRIC 846831-RL USPP 846831RL
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RELIANCE ELECTRIC RESOLVER INPUT MODULE 57411-2H
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Reliance Electric 604080-46A 60408046A
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Reliance Electric AutoMax 57C403
RELIANCE DCS5000
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Reliance 2GU42005 AC Drive
Reliance Electric Interface Module Isolated Analog 57C417A
RELIANCE 413330-12AQ TACHOMETER MOTOR BRUSH 41333012AQ
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RELIANCE ELECTRIC 51865.15 (CLDS BOARD) NEW IN BOX
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Reliance Electric 57403 High Output Module
Baldor Reliance Industrial Motor KL3403 34C63-5506
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Reliance Power Supply Board PRSA Model: 0-51845 NIB
Reliance Electric 0-51865-9 Current Loop Module 0518659
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RELIANCE ELECTRIC 62-PMLF-0600-A-0-00
RELIANCE ELECTRIC 0-57636-C
RELIANCE ELECTRIC 0-57403-E USPP 057403E
RELIANCE ELECTRIC 0-57014 NSPP 057014
RELIANCE 57411-1
RELIANCE 57403-D
RELIANCE ELECTRIC 0-57403-J USPP 057403J
RELIANCE 603515-* TACHOMETER GENERATOR
RELIANCE 603515-* TACHOMETER GENERATOR 603515*
RELIANCE ELECTRIC 0-54394-10 NSFP 05439410
RELIANCE ELECTRIC 0-51851-6 PRTD CIRCUIT PDMA
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