描述
重物從停止轉(zhuǎn)為運(yùn)行。設(shè)定一個(gè)“升降起始頻率fSD,當(dāng)變頻器的工作頻率上升到fSD時(shí),將暫停上升。為了確保當(dāng)電磁制動(dòng)器松開后,變頻器已能控制住重物的升降而不會(huì)鎦鉤,所以在工作頻率到達(dá)fSD的同時(shí),變頻器將開始檢測(cè)電流,并設(shè)定檢測(cè)電流所需時(shí)間tSC;發(fā)出“松開指令”,當(dāng)變頻器確認(rèn)已經(jīng)有足夠大的輸出電流時(shí),將發(fā)出一個(gè)“松開指令”,使制動(dòng)電磁鐵開始通電;設(shè)定一個(gè)維持時(shí)間tSD,tSD的長(zhǎng)短應(yīng)略大于電磁制動(dòng)器從通電到完全松開所需要的時(shí)間;變頻器將工作頻率上升至所需頻率。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
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順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
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VEXTA A2936-9212 STEPPER STEPPING MOTOR 2-PHASE
Super Vexta 5 phase driver UDX5128
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PULLOUT SUPER VEXTA PULSE GENERATOR SC8800
SUPER VEXTA 5-PHASE STEPPER MOTOR DRIVER UDX5128
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Models:PMDO3CA&PMM33A MG20
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ORIENTAL MOTOR Vexta XG9200D-G XG9200DG Controller
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NEW VEXTA BRUSHLESS DC MOTOR AXHM5100KC-A 100W 2500 RPM
Vexta Fine Step DFR1514A 5-phase driver w/Warranty
LOT 2 VEXTA PK243-02AA STEPPING STEPPER STEP MOTOR 2PH
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Vexta Stepper 5-Phase Driver UDK5114N-A13 lot new
Vexta AS98AA-Step
NEW SUPER VEXTA 5-PHASE DRIVER MODEL#UDX5107N JAPAN
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Vexta 5-Phase Driver Servo Drive UDK5128NW-A4 working
NEW VEXTA PH264M-32 STEPPING MOTOR 12-VDC 2-Phase NIB
VEXTA 5 Phase Stepping Motor A4512-9215KPGE NEW
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New Vexta DC 2 Phase Stepping Motor PK266M-E2.0A
VEXTA ORIENTAL HBL540GN24
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Oriental Vexta Stepping Motor 5-Phase PK564AN-TG10
VEXTA STEPPING MOTOR PK264A2A
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Vexta Servo Drive&Motor K0043-D working 1080-01190
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SUPER VEXTA UI215GA INTELLIGENT DRIVER MODULE
VEXTA ORIENTAL UMK266AA,2-Phase Stepping System(NIB)
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VEXTA ORIENTAL MOTOR 2 PHASE CSD2112-P CSD2112 P NEW
Oriental Motor Co Vexta Driver CSD2112-T 0870-01008 New
VEXTA 5 Phase Mini Stepping
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Vexta 5-phase driver UDK5107N
STEPPER MOTOR 5PHASE 0.02DEG/STEP by Vexta
NEW VEXTA A5246-9412K STEPPING MOTOR
H#Vexta 5-phase UDK5107NW2
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VEXTA UPK596AW-T10 5-PHASE STEPPING SYSTEM
SUPER VEXTA 5-PHASE DRIVER UDX5114N-E UDX5114N
Vexta 5-Phase Servo Drive UDK5214NW new 0870-01059
Vexta PH266-01 2Phase Stepping Motor
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Vexta oriental 5 phase motor UDK5214NW-M
VEXTA ORIENTAL MOTOR/DRIVER UMD26601