IC670PBI001-AC
1756-A13 廈門卡庫供應(yīng)
1756-PA72 廈門卡庫供應(yīng)
1756-ENBTA 廈門卡庫供應(yīng)
1756-EWEBB 廈門卡庫供應(yīng)
1756-EN2T 廈門卡庫供應(yīng)
1757-SRM 廈門卡庫供應(yīng)
1756-TBCH 廈門卡庫供應(yīng)
1756-TBNH 廈門卡庫供應(yīng)
1756-DHRIO 廈門卡庫供應(yīng)
1769-L35E 廈門卡庫供應(yīng)
1769-L33ER 廈門卡庫供應(yīng)
PLC電控系統(tǒng)設(shè)計 3.1 硬件設(shè)計與軟件實現(xiàn) 系統(tǒng)中所用的斷路器、接觸器、熱繼電器、轉(zhuǎn)換開關(guān)、按鈕、指示燈等控制元件均選用可靠性高、電氣壽命長的IEC標(biāo)準(zhǔn)優(yōu)質(zhì)產(chǎn)品。泵站、壓機、高位油箱上的配線,采用包塑金屬軟管,并配有軟管接頭,打有管夾,可防止線纜拔脫和線纜的機械損傷。壓力傳感器選用電流輸出形式,壓力傳感器至控制臺數(shù)字面板表的信號傳輸采用屏蔽信號電纜,克服了信號傳輸過程中的衰減和干擾,保證面板表顯示數(shù)據(jù)的準(zhǔn)確性。 接觸器PLC選用西門子公司的模板式可編程控制器,主要模板包括:一塊CPU941模板,三塊32點輸入模板(430),一塊16/16點輸入/輸出模板(482),一塊32點輸出模板(451),兩塊16點輸出模板(454)。I/O總點數(shù)112/80點,實際使用96/74點,留約10%的裕量,以備功能修改時點數(shù)擴展。用戶程序模塊選用EEPROM(375),容量為8K,實際程序量約為6K字節(jié)。
PLC可靠性保護(hù)措施 系統(tǒng)采用多種措施,以保護(hù)PLC及其輸出點。如每一模板都設(shè)一單極自動開關(guān)(2A/3A/5A)進(jìn)行短路保護(hù);當(dāng)輸出點需驅(qū)動交流接觸器線圈時,經(jīng)直流中間繼電器轉(zhuǎn)換,且接觸器線圈兩端并聯(lián)阻容吸收塊。454模板單點最大輸出電流為2A(24VDC),可直接驅(qū)動閥用電磁鐵(DC24V/1A),考慮到輸出點的保護(hù),電磁鐵線圈并接吸收二極管,且串聯(lián)2A熔斷管。 4.1 電動機組保護(hù) 三臺160SCY14-1B型高壓變量柱塞泵,加之閥臺控制,可以實現(xiàn)對流量的無級調(diào)節(jié)。三泵兩用一備進(jìn)行冗余,由三臺75kW電動機驅(qū)動,并采用卸荷啟動、卸荷停止方式,啟動負(fù)載較輕。同時三臺電動機采用自動Y-△降壓啟動方式,一方面提高了泵和電動機的使用壽命,另一方面可減少對電網(wǎng)的沖擊。
【公 司】: 廈門卡庫電氣有限公司
【主 營】: AB、GE、施耐德等各類PLC產(chǎn)品
【價 格】: 電議
【發(fā)布人】: 嚴(yán)工
【電 話】: 18030229052
【所在地】: 福建 - 廈門
【坐 機】: 0592-5709823
【Q Q】: 1093230189
Mitsubishi NEW Melsec A2UCPU 512 CPU Module PLC 14K Steps NIB
Mitsubishi Melsec NEW A1SD75M2 Cnet Positioning Module NIB
Siemens 6SN1114-0NB01-0AA1 611U Option-Profibus DP3 NIB 6SN11140NB010AA1
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NEW CH Westinghouse 5ACLS-5R 5.08 kV 150A Current Limiting HV Fuse Cutler-Hammer
NEW Gould Shawmut A70P1800 226 8/88 Type 128A Fuse Amp-
Merlin Gerin NEW AROZ_US 6740839 PLC UPS Board MG CARTE AR0Z 6739815XD MGE
Merlin Gerin NEW CROZ 6740838 D06Z 6739840 PLC PC Board MG
Merlin Gerin NEW CRIZ 6740837 6739803XD PLC PC Board MG MGE EPG EPE
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Merlin Gerin NEW PRIZ 6739820 PLC Rack Chassis MG 6739819XD 6739875 NIB Cage
North American NEW H6340-DRV-00 Edge Guiding Amplifier H6340DRV00 230 VAC NIB
Daihen P6768 T Printed Circuit Board Assembly 851590 P.C. Board P6768T00 A 23273
NEW Hansen VLT-04N 40" Probe Techni-Level Ammonia Transducer 4-20 mA 4.5"
Daihen P6840P E Circuit Board P-6840P E Dahien OTC
Rexroth MSK060C-0300-NN-M1-UP0-NNNN NEW 3-Phase Permanent Magnet Servo Motor
Rexroth MSK050C-0300-NN-M1-UP0-NNNN NEW 3-Phase Permanent Magnet Servo Motor NIB
Toshiba EX40*1MDDB5 Programmable Controller 24VDC NEW Input EX-40 24V DC In NIB
Torrington Spherical Roller Bearing 23124 W33 BR NEW/NIB
Turck Bi5-P18SK-AZ3X Sensor, Potted Cable NIB 20-250VAC;
EPE NEW K3NZ 72-130060-00 PLC PC Board MGE UPS PCA NIB 7213006000 6213006000
Merlin Gerin NEW TREZ 6739109 PLC PC Board MG NIB 6739108XD MGE UPS Systems EPE
NEW GE TMEIC 3Y3A1383G2-R5 Power Module 200A-6P Supply
NEW GE TMEIC 2Y3A1382G2-R6 Power Module 200A-8P Supply Inverter Stack 2Y3A1382G1
NEW AB / Stromberg 5761129-4G Amplifier Card PLC Allen Bradley 57611294G A-B/S
NEW Honeywell ST 3000 S100e Smart Transmitter STD120-A1H-00000-CC.MB.S2.F1D3
Shinko C8-EF Regulator Module Unit 12V PLC C8EF NEW NIB
Telco DPA20B501 115V Photoelectric Amplifier Photo NIB
CH Westinghouse 5HLE-400E Fuse 5.5kV Size E NEW
Mitsubishi Melsec A68B I/O PLC Base Unit Rack 8 NIB/NEW
Mitsubishi Melsec A38B I/O PLC Base Unit Rack FS NIB/NEW
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NEW Honeywell Exide 51309204-175 Rev D1 PLC 51309204175 Module Board 51309203 B
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NEW Yokogawa YTA110-EA2NN/FU1/D2 Temperature Transmitter Flow Control YTE PLC
General Electric GE CR306F104 Size 4 Starter CR306F NIB
Bussmann JCL-2R 70A Fuse JCL2R 5.08kV R-rated Buss NIB
SOLA SCP30 S15-DN 15V 2.0 A Power Supply SCP30S15DN NIB
NIB Square D I-Line JL 250 JLA36200 200 Amp PowerPact Breaker 200A 600V AL250JD