BES212/N模塊
BES212/N模塊
BES212/N模塊
數字量信號連接應注意的問題
變頻器的輸入信號中包括對運行/ 停止、正轉/ 反轉、點動等運行狀態進行操作的數字量輸入信號(開關型指令信號),這些信號常來自PLC 的數字量輸出信號。PLC 通常利用其內部的繼電器接點(繼電器輸出型PLC)或具有開關特性的元器件(晶體管輸出型PLC)與變頻器相連,得到運行狀態指令,如圖1和圖2所示。在進行數字量信號的連接時應注意:
(1)使用繼電器輸出型PLC與變頻器相連時,應注意接觸不良常帶來變頻器誤動作,因此在實際接線中要注意連接可靠。
(2)使用晶體管輸出型PLC與變頻器相連時,應注意晶體管本身的電壓的高低、電流的大小等限制條件在其範圍內,保證係統的可靠性。
(3)設計變頻器的輸入信號電路時,應盡量避免採用繼電器等感性負載,因繼電器開閉產生的浪涌電流可能引起變頻器的誤動作。
(4)當PLC輸出的開關信號進入變頻器時,有時會發生外部電源和變頻器控制電源之間的串擾,應注意對PLC和變頻器分開接地,避免兩者使用共同的接地線。
3BHE033067R0101 3個
3BHB027092R0001 6個
2UBA001554R0020 4個
3BHE009017R0102 3個
2UBA001557R0016 3個
2UBA001551R0010 3個
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3BHB032608R0001 10個
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DATA I/O 901-0058-007 9010058007
DATA I/O 901-0058-006 9010058006
CUTLER HAMMER SV9250AN-5M0A00 SV9250AN5M0A00
CUTLER HAMMER KDC3225V KDC3225V
CUTLER HAMMER 542VM 542VM
CLECO TME-111-15-U TME11115U
BOSCH 1070071339 1070071339
BERTHOLD 81072-2/LB352-2 810722LB3522
BARBER COLMAN GCM-84221-1-0-1 GCM84221101
BARBER COLMAN GCM-84221-1 GCM842211
AUTOMATED LOGIC M4106P M4106P
AUTOMATED LOGIC M4106 M4106
AUTOMATED LOGIC LGRME LGRME
ASEA BROWN BOVERI MEM86-192K-64KRAM MEM86192K64KRAM
ASEA BROWN BOVERI 57288531 57288531
ASEA BROWN BOVERI 3HAB-2136-1/2 3HAB213612
APC SYCF40KF SYCF40KF
AMERITHERM 003-0031-1 00300311
ALLEN BRADLEY 803-N899-739/1 803N8997391
ALLEN BRADLEY 6180-FLIEHLDZHZZ 6180FLIEHLDZHZZ
ALLEN BRADLEY 6170-EDCD1A1EBZZA 6170EDCD1A1EBZZA
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ALLEN BRADLEY 150-A97NC-ND 150A97NCND
ALLEN BRADLEY 1398-PDM-150B 1398PDM150B
ALLEN BRADLEY 1398-DDM-020 1398DDM020
ALLEN BRADLEY 1395-B65-D1-PZ 1395B65D1PZ
ALLEN BRADLEY 1394C-SJT10-T-RL 1394CSJT10TRL
ALLEN BRADLEY 1391B-ESAA45 1391BESAA45
ALLEN BRADLEY 1387-B-BOA110-E80-A2 1387BBOA110E80A2
ALLEN BRADLEY 1387-B-B0A090-A2-B-F25 1387BB0A090A2BF2
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ALLEN BRADLEY 1336F-C200-ANEN 1336FC200ANEN
ALLEN BRADLEY 1336F-B200-AN-EN-L6 1336FB200ANENL6
ALLEN BRADLEY 1336F-B125-AE-EN-HCS2-L8E 1336FB125AEENHCS
ALLEN BRADLEY 1336-B100-EOH-FA2-L3-S1 1336B100EOHFA2L3
ALLEN BRADLEY 1334-RJB 1334RJB
ALLEN BRADLEY 1326AB-C4B21 1326ABC4B21
ALLEN BRADLEY 1326AB-B420H-S2K4L 1326ABB420HS2K4L
ADEPT TECH 10350-01060 1035001060
ADEPT TECH 10330-11351 1033011351
ADEPT TECH 10000-310 10000310