1746-OX8产品特点
系统控制原理:每条爬坡皮带输送机拖动机构由一台交流异步电机驱动,采用VFD150B43P变频器控制。其变频器通过外部电位器设定值与皮带电子称实时测量信号相加,作为初级给定信号,并通过滤波、PID、限幅等处理后,作为实际频率控制给定值信号,实现输送机皮带走速控制和调节,达到根据输送机皮带上实际料量大小自动调节控制目的。其次系统还设计了变频器恒速运行模式(即面板设定速度:1台窑下料时,频率设为30Hz;2台窑下料时,频率设为45Hz;3台窑下料时,频率设为60Hz),当皮带称发生故障时(影响输料工作),只需将变频器给定方式修改为面板设定方式,并设定相应的频率,即可使系统投入正常运行。其系统结构、控制原理如图2所示;变频器控制接线如图3所示。
图2 皮带输送机变频调速系统控制原理
1746-OX8
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1746-OX8
参数规格
Repaired Marconi LB16BG Board PLT40 UNPORT TRANS 2.5GB
SIEMENS SIVOLT-A-Drehstromsteller 40A 6SG2412-3CA00-Z
SAM ELECTRONICS HS10 Pulse Modulator NG3028G206 25KW
SAM ELECTRONICS HS06-TCU NG3028G201 Board NEW
lot of 2500 LINEAR LTC1430CS#TR Voltage Regulator chips
New Alcatel RRA 3DB02147AA
New Alcatel MD128W1 3DB02136AA
Alcatel SWL-B LHR R2.0 FEE License Certificate
ECS CNC BASIC Controller 080H969 Spare part USED
ABB SPAD346C3 SPAD 346 C3 DIFFERENTIAL RELAY PROTECTION
ABB Motor M3AA200MLA 4/8 3GAA208207-BDC 220KG NEWinbox
Refurbished ALSTOM STF-DL ANTENNA Ref: 23509 Rev. E
Hypertherm HT2000 041677 129160 Chopper used Spare
MAN B&W PMI SYSTEM Pressure Analyzer for 6S50MC-C
Pressure Sensor 3876134-1 for AIRBUS A320 NEW
Lot of 2973pcs NEC UPD78F0102HMC-5A4 F0102H 8-bit $1/pc
TE-W Thermal Infrared Camera 160*120 core protype
Credence LT1101 Voltage Supply Board 671-4014-04 Spare
New OKUMA Drive Board UCMB2+F A911-2821 E4809-770-144-A
PELCO SD4CBW-PG-E1-X Spectra IV Camera
Honeywell Pressure Instrument Druck DPI 701 installed
Welch Allyn 88042A Colposcope Factory Refurbished Spare
ICHINOSE S-7000 SQC-6 POSTTTIONer Control Panel NEW
New IRONPORT C300 Email Security Sever Hardware
1746-OX8