MPL-B960D-MJ72AA

負載變化：當負載變化較大時，會引起變頻器輸出電壓或電流波形的變化，從而導致輸出轉速不穩定。

　　PID參數設置不合理：PID參數設置不當也會導致轉速不穩定，如比例系數、積分時間、微分時間等參數設置過大或過小。

　　反饋信號問題：變頻器通過反饋信號來感知電機的實際運行情況，如果反饋信號異常或者損壞，也會導致轉速不穩定。

　　電源問題：輸入電源的電壓穩定性不好、電源線路接觸不良或電源波形不純也會導致輸出轉速不穩定。

　　變頻器故障：如IGBT模塊損壞、電容老化、電機驅動電路故障等也會導致轉速不穩定。

　　對于變頻器轉速不穩定的問題，需要通過仔細檢查和分析，找到具體的原因，并根據具體情況進行調整和修復。建議在使用變頻器時，按照操作手冊的要求正確使用，注意定期維護和保養。

ALLEN BRADLEY 1326AB-B2E-11 SERVO MOTOR (REFURBISHED)

ABB ACS350-03U-09A8-2 DRIVE (3 HP) BRAND !

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LANDMARK GRAPHIC INTERFACE PANEL LMG (115 VOLT)

SPEED SELECTOR 518-100-60 (BRAND ) SPEC # TB

OMRON C200H-NC211 (NC UNIT)  OLD STOCK

NIKKI DENSO ACTUS POWER NPSA-20NN-50E8 SERVO CONTROL

HONEYWELL BATTERY TEST CARD 30752783-001 (XLNT COND)

HONEYWELL TRANSCEIVER 30752766-001 (XLNT COND)

HONEYWELL COMMUNICATIONS LOGIC 30752787-002 (XLNT COND)

ALLEN BRADLEY 20AD8P0A0AYNNNNN POWERFLEX 70 4kW/5HP

ALLEN BRADLEY 1404-M405A-CNT POWERMONITOR 3000

YUSHIN ROBOT TEACH PENDANT PULLED FROM WORKING ROBOT

MITSUBISHI ENCODER RFH1024-22-1M-68 TYPE TSI508 N85 

ABB AXEM DC MOTOR F9M4 57540 GOOD USED TAKEOFF!

MITSUBISHI MELSEC K0J2-E56DS SEQUENCE CONTROLLER ()

STEIMEL PUMP TYP-SKL31/0AK-P (BRASS) 1 1/4 FLANGED) 

SQUARE D FLEX58KD12N4 (15 HP DRIVE) GOOD TAKEOUT

YOKOGAWA VORTEX FLOWMETER YEWFLO DY040 (1 1/2") SST 

BAUMULLER DS-45-S SERVO MOTOR (0.25 KW) *XLNT*CONDITION

YASKAWA JANCD-1003E SMALL BOARD JANCD-EW02 * LNC *

GE DRIVE 6KGP43005X9XXXA1 AF-650 GP 5 HP. 460V *XLNT*

GREYLINE INSTRUMENTS OCF-III-CR FLOW MONITOR (BRAND 

SIEMENS 6ES5470-4UA11 SIMATIC ANALOG MODULE 

SIEMENS 6ES5924-3SA11 CPU MODULE XLNT CONDITION

ABB DSQC 266G 3HAB8801-1/2B ROBOT CONTROL BOARD 

FANUC A16B-1212-0270 /05A LASER INTERFACE BOARD *XLNT*

SQUARE D MAL364508041 CIRCUT BREAKER (WITH LUGS) XLNT!

JOY MODEL 33 BASE LOAD CONTROLLER  SURPLUS NEVER USE

PARKER DIGIPLAN 8 AXIS MODULAR DC DRIVE SYSTEM TYPE-UR8

ABB 5692-435-LX ENCODER (BRAND )

NSK BALL SCREW W3606-550ZX-C3Z16 (32 INCHES) BRAND 

CONTRAVES VARIDYN COMPACT ADB/F440.60M (40 KVA) *XLNT*

FANUC A20B-0008-0032 /03A SPINDLE DRIVE TOP BOARD XLNT

ALLEN BRADLEY 1745-PT1 PROGRAMMER FOR SLC 100  W/

GIDDINGS & LEWIS 810-21292-00 POWER DISTRIBUTION MODULE

BOSCH INTERFACE BOARD 0 811 405 071 (JB01)  IN BOX

VAISALA HMP233-B2B0A2AA32A1B3B TRANSMITTER W/PROBE

BOSTON GEAR ACX2020 MOTOR CONTROLLER , IN BOX!

SIEMENS 8720393 K2036 D2 (S5798-D2-C) EMPFANGS MODUL

SIEMENS 8720385 K2036 D1 (S5798-D1-C) FREQ AUFBER MODUL

SIEMENS 8720401 K2036 D3 (S5798-D3C) PULSUMSCHALT MODUL

MITSUBISHI MELSEC F2-40M-UA1 CONTROLLER  IN BOX

OKUMA E4809-045-061-D (BDC BOARD GOOD TAKEOUT)

ALLEN BRADLEY 8600 1880L (CPU BOARD) OSAI OS5001V

ALLEN BRADLEY 8600 1882FL (MEMORY MODULE) OSAI OS5241

ALLEN BRADLEY 8600 2163B (CNC BOARD) OSAI OS5330P 

INDUSTRIAL SCIENTIFIC ITRANS GAS MONITOR 7814635 ()

FANUC A20B-0005-0700 /04C GOOD USED TAKEOUT

FISCHER & PORTER 10D14 65E17PL21KD11CA FLOWMETER ()

HARDY INSTRUMENTS HI 2151/20WC WAVERSAVER (120 VAC)

ABB (ASEA DSMB 127) 2668 184-584/2 BRAND 

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ELECTRO CAM PLUS PS-5124-24-M09-C-L LIMIT SWITCH

PRECISION DEVICES INC. PGA-220-C0 AMPLIFIER BRAND 

HEIDENHAIN EXE 702 B ENCODER INTERFACE