TRICONEX 4000103-510
TRICONEX 4000103-510
廈門莫格電氣自動(dòng)化有限公司
:祖
:
(同號(hào))
:1811245942
:1811245942
DCS、INFI90以及煉鋼廠生產(chǎn)網(wǎng)絡(luò)配置圖
DCS集散控制系統(tǒng)是以微處理器為基礎(chǔ)的集中管理和分散控制系統(tǒng)。功能上分層為現(xiàn)場控制級(jí)、過程裝置控制級(jí)、車間操作管理級(jí)、全廠優(yōu)化和調(diào)度管理級(jí)等,隨之形成了生產(chǎn)中的不同分工和相關(guān)的職能部門,使生產(chǎn)線與服務(wù)線實(shí)現(xiàn)一條龍。IEEE802.4令牌總線傳輸方式和IEEE802.5令牌環(huán)網(wǎng)傳輸方式的通信協(xié)議在DCS系統(tǒng)中應(yīng)用zui廣,令牌環(huán)網(wǎng)的工作原理是在一閉環(huán)網(wǎng)中利用*的“令牌TOKEN”短幀不停的在環(huán)路中流動(dòng),尋找需要發(fā)送信息的站,只有截獲該TOKEN才有權(quán)發(fā)送;而且只要有一個(gè)站發(fā)送信息,環(huán)路中就不再有空閑的令牌流動(dòng),從而在重載下可以高效地工作,截獲后將令牌的*標(biāo)志轉(zhuǎn)變?yōu)樾畔臉?biāo)志,轉(zhuǎn)一圈后,必然回到發(fā)送的源站點(diǎn),檢查返回?cái)?shù)據(jù),診斷發(fā)送成功與否。釋放令牌,繼續(xù)流動(dòng)尋找。
INFI90是貝利公司開發(fā)的典型DCS系統(tǒng),上世紀(jì)70年代以來,得到廣泛的應(yīng)用,成為當(dāng)時(shí)過程工業(yè)自動(dòng)化控制的主流代表,以其人員分散、地域分散、功能分散、危險(xiǎn)分散、設(shè)備分散及操作分散,來提高設(shè)備的可利用率。煉鋼廠連鑄環(huán)路中共分散有有22(12+9+APMS)個(gè)站點(diǎn);每個(gè)站點(diǎn)有1~3個(gè)控制器(MFP)組成過程裝置控制級(jí);HMI實(shí)現(xiàn)車間操作等等均以其DCS功能定義來構(gòu)成一個(gè)完善的生產(chǎn)網(wǎng)絡(luò)。NIS/NPM構(gòu)成的站站間以令牌協(xié)議傳輸,下掛的19個(gè)控制器形成CONTROLWAY通訊,子模件間有其擴(kuò)展總線,管理層又依靠TCP/IP進(jìn)行監(jiān)視,因此各層眾多獨(dú)立的協(xié)議也是DCS一大缺陷。該系統(tǒng)在煉鋼廠不斷完善中發(fā)揮到了*,其網(wǎng)絡(luò)配置示意圖如圖2。
LAMBDA JWS50-24/A 100-240 VAC 50/60 HERTZ POWER SUPPLY, NIB
GENERAL ELECTRIC POWER SUPPLY BOARD F31X111PSHAFG1 FR00/0 / 531X111PSHAGG1
HONEYWELL POWER SUPPLY UNIT 46182895-001
MURR ELEKTRONIK 24V 50A DC POWER SUPPLY 85798 MDG 50-208-520/24V DC/50A
EGS SOLO HEVI-DUTY 24 VDC/2.5A POWER SUPPLY SDN 2.5-24-100P
RELIANCE ELECTRIC RECTIFIER POWER CUBE 701819-19AW
NUMATICS 110-120V 50-60HZ .12AMPS 150PSIG-AIR SOLENOID VALVE 153SS415K00003
ACOPIAN 24VDC REGULATED DC POWER SUPPLY VA24MT210
CONDOR D.C POWER SUPPLIES INC. 02-32281-0001 REV F CIRCUIT BOARD
MODICON 115V 60HZ POWER SUPPLY P420
YASKAWA * POWER BOARD REV.D13 * JANCD-MTV01
DEEMS*10/250V POWER SUPPLY UNIT PSU-C/150
IAI 24 VDC POWER SUPPLY PS-241
FANUC ROBOTICS POWER SUPPLY BOARD A16B-1212-0470
USHIO HALOGEN PROJECTOR LAMP BULB JCR 9.5V 55W NIB
GENERAL ELECTRIC MFC/POWER SUPPLY CARD F31X111PSHARG1 / 531X121PSHASG1
FANUC ANALOG INPUT MODULE AD04A A03B-0801-C052 CONTACT SCREW MISSING
TOWER ELECTRONICS 100-240V 0.8A 50/60HZ VIDEOJET DC POWER SUPPLY, 100-0470
ALLEN BRADLEY SLC 500 13 SLOT RACK 1746-A13 SER. B W/ POWER SUPPLY 1746-PS SER
APPLETON 3/4" UNILET APP FSC-1-75 NIB
SOLA POWER SUPPLY 115/230VAC 50-60HZ SDN 4-24-100
POWER-ONE POWER SUPPLY NIB HB5-3/0VP-A
ADVANCE TRANSFORMER MARK III ENERGY SAVER SLIMLINE BALLAST V-2E75-S-2-TP
APPLETON 3/4" MALL IRON FS-FD CD 2GA CONDUIT FSC-2-75 NIB
EUPEC INFINEON THYRISTOR T548N18 TOF 3M4
FUJI ELECTRIC 4N26 2D1150A-50 POWER MODULE EVM31-050A
EGS HEVI-DUTY 240/480V 60Hz 1PH 3.0kVa TRAMSFORMER HS5F3AS
SIERRACIN 5A12A DC POWER SUPPLY REPAIRED
MATSUSHITA 5VDC 20A POWER SUPPLY ETU-5G200L2 104500
TOGI * TERMINAL BLOCK * PCN-4F40
ALLEN BRADLEY MINI-PLC-2/17 PROCESSOR W/POWER SUPPLY 1772-LWP D
STANDARD POWER SPS 15-5 POWER SUPPLY
BRAD HARRISON MICRO-CHANGE ASSEMBLIES 4-POLEMALE/FEMA?LE ST/ST 6M 18/4 AWG
GOULD SHAWMUT FUSE HOLDERS 3 POLE 60308 600V.30A. LOT OF 2
HOFFMAN TYPE 12,13 INDUSTRIAL CONTROL PANEL ENCLOSURE A-382 E-1PBX
AMPCO / GREENFIELD 31/64", 500-A TAPER SHANK DRILL SH-50 *NEW, UNOPENED*
CONTROL AIR 100-BAT 1/4" NPT 2-40PSI NIB
OMRON 24VDC 7A POWER SUPPLY S82F-1524 *BROKEN PLASTIC*
HEWLETT PACKARD Q1338A BLACK COMPATIBLE LASER CARTRIDGE FOR USE IN HP NIB