C4-DIN-8REL-E1繼電器
C4-DIN-8REL-E1繼電器
C4-DIN-8REL-E1繼電器
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。
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STV270N4F3 61
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BTL5-E10-M0950-A-SA211-S135 3
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MC10XS3412CHFKR2 8
KL1814 5
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Type: DP-SV/G
Make: Doga Proses
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Make: G+F
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2MBI600VN-170P-50 2
QPMCN-600B-1 1
DELL POWEREDGE-7250 POWEREDGE7250
DATA I/O 901-0058-007 9010058007
DATA I/O 901-0058-006 9010058006
CUTLER HAMMER SV9250AN-5M0A00 SV9250AN5M0A00
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CUTLER HAMMER 542VM 542VM
CLECO TME-111-15-U TME11115U
BOSCH 1070071339 1070071339
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AUTOMATED LOGIC M4106P M4106P
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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 6170-CBC-B1A1EAZZA 6170CBCB1A1EAZZA
ALLEN BRADLEY 2711-T9C8 2711T9C8
ALLEN BRADLEY 2711E-K14C6 2711EK14C6
ALLEN BRADLEY 2711-B5A20 2711B5A20
ALLEN BRADLEY 2711-B5A16 2711B5A16
ALLEN BRADLEY 1785-L40E/F 1785L40EF
ALLEN BRADLEY 1785-L40E/E 1785L40EE
ALLEN BRADLEY 1784-U2DHP 1784U2DHP
ALLEN BRADLEY 1784-T47 1784T47
ALLEN BRADLEY 1775-MED 1775MED
ALLEN BRADLEY 1775-MEA 1775MEA
ALLEN BRADLEY 1771-DMC1 1771DMC1
ALLEN BRADLEY 1756-RM2 1756RM2
ALLEN BRADLEY 1756-L75 1756L75
ALLEN BRADLEY 1756-L1M1 1756L1M1
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
ALLEN BRADLEY 1336S-BX040-AA-EN4-GM1-L5 1336SBX040AAEN4G
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