AB 1756模塊 1756-OB16E操作說明:
PLC控制系統(tǒng)的設(shè)計(jì)
根據(jù)工藝提出的條件及控制要求,具體設(shè)計(jì)思路如下:螺桿冰機(jī)有1臺(tái)循環(huán)油泵,運(yùn)行時(shí),油壓的高低通過副線閥來調(diào)節(jié)。2臺(tái)稀油泵,油壓正常時(shí),1臺(tái)運(yùn)行,1臺(tái)備用并可自動(dòng)切換。油壓低時(shí),2臺(tái)稀油泵同時(shí)啟動(dòng);當(dāng)油壓差超低時(shí),延時(shí)6s跳車。另外,排氣溫度高,油溫度高,北軸承溫度高,南軸承溫度高,排氣壓力高,油精濾器壓差高,都將引起跳車。但在稀油站油壓低,油氣壓差低,直流電源失壓,循環(huán)油泵過載,1#、2#稀油泵過載時(shí)不跳車,而只發(fā)報(bào)警信號(hào)。要實(shí)現(xiàn)上述功能,中間繼電器需要數(shù)十只,而且接線非常復(fù)雜,檢修極其困難,可靠性差,而采用PLC后接線相當(dāng)簡(jiǎn)單,而且可靠性大大提高。其梯形圖如圖2所示。
AB 1756模塊 1756-OB16E
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MAGNETEK 3686-65-1 USPP 3686651
1/2HP DC Motor Magnetek D708
1/2HP DC Motor Magnetek D708
MAGNETEK GPD403-A001-00 NSPP GPD403A00100
MAGNETEK GPD403-A00200 NSPP GPD403A00200
MAGNETEK GPD403-A0P7 NSPP GPD403A0P7
GEMCO 1989 SERIES PLS MAGNETEK GM60183 1989-KP PANEL
MAGNETEK DS315 GPD 503 AC DRIVE 5HP 460V 3PH 9.9A
MAGNETEK DRIVE 7.5HP 7.5 HP 71616 55P50E CIMR-G3U55P5
MAGNETEK GPD515C-B001 NSFP GPD515CB001
Magnetek MLTX Remote Crane Pendant, # 175-01556
E482 15 HP, 1740 RPM MAGNETEK MOTOR
Yaskawa Magnetek Omron Saftronics VFD VSD ASD Inverter CIMR-P5U43P7 5HP 460VAC
Magnetek VAcuum Pump 30 Gallon Compressor Tank 115/230V
MAGNETEK GPD515C-BOO4 REMAN. DRIVE GPD515CB004
MAGNETEK DYNAMIC BRAKING RESISTOR FOR HPV900 EDB4021FH
EMOTIVE MAGNETEK REMOTE PENDANT GXZE10647B TR12
Magnetek V1000 CIMR-VU4A0011B?AA 144-25016 Drive inverter amplifier servo motor
Magnetek MCP9S Eddy Current
Magnetek Pacemaker Motor 6-966968-40 BN08 240to1755rpm .83-5hp 213TC Frame
Magnetek DS317 GPD-503 10/15HP 460V AC Drive +Enclosure
DS317, MAGNETEK Drive 380-460V, 3Phase 16-20AMPS
MAGNETEK/UNIVE?RSAL 1050-14 POSTLINE BALLAST 277V 60Hz 0.44AMPS ZK-21
Magnetek GPD 503 DS304 W/ Digital Operator JVOP-100 (5277)
Magnetek 15 hp R402 Motor (MOT2111)
MAGNETEK 19861833 TRANSDUCER W/DUAL RESOLVER 1986-1833
MAGNETEK GPD515C-A017 AC DRIVE
YASKAWA MAGNETEK POWER SUPPLY MOD JZNC-TU29
Magnetek 3674-99-1 3674991 Power Supply
MAGNETEK 500592 USPP 500592
1756-L55
1756-L55M12
1756-L55M13
1756-L55M14
1756-L55M16
1756-L55M22
1756-L55M23
1756-L55M24
1756-L61
1756-L62
1756-L63
1756-L72
1756-L73
1746-HSCE
1746-IA16
1746-IB16
1746-IB8
1746-IV32
1746-N04V
1746-NI4
1746-NI8
1746-NIO4I
1746-NIO4V
1746-NT8
1746-OA8
1746-OB16
1746-OB16E
1746-OX8
1747-ASB
1747-L511
1747-L514
1747-L531
1747-L541
1747-L542
1747-L551B
1747-SDN
1756-A10
1756-A13
1756-A17
1756-BATM
1756-CFM
1756-CNB
1756-CNBR
1756-CN2R
1756-EN2T
1756-EN2TR
1756-EN3TR
1756-DMF30
1756-DMD30
1756-DMA31
1756-RM2
1756-DHRIO
1756-DNB
1756-ENBT
1756-EWEB
1756-HIST1G
1756-HSC
1756-HYD02
1756-IA16I
1756-IB16
1756-IB16I
1756-IB32
1756-IF8
1756-IF16
1756-OB16D
1756-OB16E
1756-OB16I
1756-OB32
1756-OF4
1756-OF6CI
1756-OW16I
1756-IM16I
1756-IR6I
1756-M08SE
1756-PA72
1756-PA75
1756-PAR2