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TY801K01 3BSE023607R1 |
【廈門莫格電氣自動化有限公司】
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我們主營PLC可編程控制器模塊,DCS卡件,ESD系統(tǒng)卡件,振動監(jiān)測系統(tǒng)卡件,汽輪機(jī)控制系統(tǒng)模塊,燃?xì)獍l(fā)電機(jī)備件等,公司致力于為工業(yè)用戶提供自動化解決方案,打造工控備件一站式供應(yīng)平臺。
我們售出的備品備件均提供一年的質(zhì)量保證、并且都經(jīng)過了嚴(yán)格的測試和認(rèn)證,現(xiàn)已成一家性的工業(yè)自動化備件及零部件的銷售企業(yè)。
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地 址:廈門市思明區(qū)檳榔西里197號第四層B19單元
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1.2 通用模型特點分析
完整的測控系統(tǒng)包括硬件和軟件兩部分。建立測控系統(tǒng)通用模型就是分別為軟、硬件建立相應(yīng)的通用模型。硬件模型體現(xiàn)在測控終端控制器的硬件設(shè)計上;軟件模型根據(jù)所選擇的體系結(jié)構(gòu)不同而有所差別。但不論是哪一種體系結(jié)構(gòu),對軟件的設(shè)計都是建立在硬件的基礎(chǔ)之上,所以整個通用模型的建立首先且關(guān)鍵是對硬件通用模型的建立。
1.2.1 遠(yuǎn)程測控系統(tǒng)的硬件模型
遠(yuǎn)程測控系統(tǒng)的測量與控制在硬件上主要體現(xiàn)在位于現(xiàn)場的網(wǎng)絡(luò)化測控終端對外界數(shù)據(jù)的采集以及控制量的輸出,其中數(shù)據(jù)采集部分通常包括模擬量輸入模塊和開關(guān)量輸入模塊;控制輸出部分通常包括模擬量輸出模塊和開關(guān)量輸出模塊。因此,通用模型的建立主要體現(xiàn)在對這四種輸入輸出模塊的設(shè)計上。
本文通過提供業(yè)內(nèi)比較通用的信號類型來達(dá)到通用的目的。對于使用這些信號接口的測控設(shè)備,可直接互連;對于使用其他信號接口的測控設(shè)備,只需要增加相應(yīng)的信號轉(zhuǎn)換電路即可互連。通過對多個具體測控系統(tǒng)的分析,采用了如下的硬件設(shè)計方案:
(1)模擬量輸入接口,提供8路模擬量輸入通道;考慮到市場上大多數(shù)傳感器或變送器都提供0~5 V電壓信號輸出,另一方面由于A/D轉(zhuǎn)換器通常以0~5 V電壓信號輸入,因此本文將模擬量輸入接口設(shè)計為可直接處理0~5 V電壓信號。另外為了便于給傳感器或外接的轉(zhuǎn)換電路供電,提供5 V和12 V電源接口。
(2)開關(guān)量輸入接口,提供8路開關(guān)量輸入通道,可直接處理12 V開關(guān)信號。對于其他類型的開關(guān)信號,需要外接轉(zhuǎn)換電路。
(3)模擬量輸出接口,提供8路模擬量輸出通道,提供0~12 V電壓信號輸出,對于其他類型的模擬信號,需要外接相應(yīng)的驅(qū)動電路。
(4)開關(guān)量輸出接口,提供8路開關(guān)量輸出通道;可直接輸出12 V電壓信號,也可通過更換繼電器實現(xiàn)對其他電壓信號的輸出。
(5)通信接口,采用以太網(wǎng)作為傳輸媒介,與遠(yuǎn)程主機(jī)進(jìn)行信息交互,從而實現(xiàn)遠(yuǎn)程測控功能;對于其他通信接口,由其他輔助模塊決定。
(6)提供良好的人機(jī)交互接口?,F(xiàn)場信息采用液晶顯示;對受控設(shè)備的現(xiàn)場手動干預(yù)采用SDF-1通用型手持編程器實現(xiàn),以避免為所有的輸出接口配備相應(yīng)的控制按鈕。
(7)在進(jìn)行具體的硬件設(shè)計時,融入硬件構(gòu)件的設(shè)計思想,將各個硬件模塊進(jìn)行獨立的封裝,以提高硬件的可重用性[3]
NEW NORGREN 2630670E-0162N-?G 150PSI 120V-AC 1/8 IN NPT
NEW VERSA KXX-4334-A120 PNEUMATIC 25-175PSI 120V-AC SOL
NEW HUMPHREY VV250AE1 3 10 20 VACUUM PILOT 120V 1/4IN N
NEW ASCO 8344C037 REDHAT 120V-AC 3/8 IN NPT SOLENOID VA
NEW ASCO EF8300A81F 3WAY BRASS 190PSI 120V-AC 1/4 IN NP
ASCO EF8342G1 RED HAT II 4 WAY 120V-AC 1/4 IN NPT SOLEN
NEW REXROTH 5791900220 24V-DC SOLENOID VALVE D391759
NEW ASCO 8215A51 15.4W 120V-AC 1 IN NPT SOLENOID VALVE
NEW ASCO 8320A24 40 PSI RED-HAT 120V-AC 1/4 IN NPT SOLE
NEW NORGREN K71EA00KS6KV21W?2 THREADED 24V-DC 1/2 IN NP
NEW ROSS W168B95 40W 100-130V-AC 1/8IN NPT SOLENOID VAL
NEW NUMATICS 082SA43AE000061 150PSI 24V-DC SOLENOID VAL
NEW HORTON 942701 50-150PSI 7.5W 120V-AC 1/4 IN NPT SOL
FESTO MEH-5/2-1/8-P-B PNEUMATIC 24V-DC 1/8 IN NPT SOLEN
NEW SMC NVFS3330-3D-03T 132/138V-AC 3/8IN NPT SOLENOID
NEW NUMATICS 082SA431M000061 24V-DC 1/4 IN SOLENOID VAL
NEW VERSA VPS-2502-Q-S 200V-AC 1/2 IN NPT SOLENOID VALV
NEW ASCO 8324 24 RED HAT 110/120V-AC 1/4IN SOLENOID VAL
NEW NUMATICS I12BA4004P00061 48V-AC 14.5-232 PSI 24V-DC
NEW MAC 56-13-111CA 120V-AC 1/2 IN NPT SOLENOID VALVE D
NEW MAC 6211C-518-PM-11?1DA 120V-AC 1/2 IN NPT SOLENOID
NEW NUMATICS 11SAD44AB000061 24V-DC 1/4 IN NPT SOLENOID
NEW NUMATICS 153SA435K000030 150PSI 110-120V-AC 3/8IN N
NEW VERSA SA-4322-84-U-A1?20 8.7W 120V-AC 1/4 IN NPT SOL
MAC 57D-33-116AA ASSEMBLY 120V-AC 1 IN NPT SOLENOID VAL
NEW PARKER 71335SN2GNJ1N0C?111P3 120V-AC 1/4 IN NPT SOLE
NEW ROSS 2774A4929 1-10BAR PNEUMATIC 110-120V-AC SOLENO
ASCO EF8342G1 RED HAT II 4WAY 125PSI 120V-AC 1/4IN NPT
NEW REXROTH PS-031010-01355 120V-AC 1/4 IN NPT SOLENOID
ASCO EF8551A001MS 8551A001MS 4-WAY 110/120V-AC 1/4 IN N
NEW NUMATICS 254SA43AM000061 24V-DC 1/2 IN NPT SOLENOID
NEW NORGREN K71EA00KS6K31 150PSI 120V-AC 1/4 IN NPT SOL
NEW MAC 35A-SAC-DAAE-1B?A 5.4W 120/110V-AC 1/8IN NPT SOL
NEW SMC SYJ712-3LZ-01T 110V-AC 1/8IN NPT SOLENOID VALVE
PLAST-O-MATIC EASMD4EP14W20 120PSI PVC 120V-AC 1/2 IN N
NEW VERSA VXX-5334-120V60 120V-AC SOLENOID VALVE D43681
NEW NUMATICS 082SA415K046G30 120V-AC SOLENOID VALVE D43
NEW NUMATICS 082SS43AM 24V-DC 1/4 IN NPT SOLENOID VALVE
MAC 811C-PM-111CC-1?52 150PSI 110/120V-AC 1/4 IN NPT SOL
NEW MAC 6241C-511-PM-11?1DA 120V-AC 1/2 IN NPT SOLENOID
NEW PARKER B511KCA53C 120V-AC 1/4IN NPT SOLENOID VALVE
NEW HUMPHREY 125E1-3-10-35 0-125PSI 120V-AC 1/4IN NPT S
NEW VERSA ESM-3011-66-Z-3?-243-A120 120V-AC SOLENOID VAL
PETER PAUL O23HJBDCM 8.7W OPERATOR 120V-AC 1/4 IN NPT S
NEW ASCO EF8342C1 120V-AC 1/4 IN NPT SOLENOID VALVE D42
NEW PARKER F3152BGB23001A 120/115V-AC 1/8 1/4 IN NPT SO
NEW SKINNER V935LEH2100 HONEYWELL 90V-DC 1/4 IN NPT SOL
NEW NORGREN V61R517AA318JZ 120V-AC 1/4 IN NPT IN LINE S
NEW NORGREN V61R517AA213JA IN-LINE 24V-DC 1/4 IN NPT SO
ASCO 8316G054 RED-HAT II 120V-AC 3/8 IN NPT SOLENOID VA
NEW ASCO 8262C11 RED-HAT 110V-AC 1/8 IN NPT SOLENOID VA
PARKER B713BB553A 120V-AC 1/2IN NPT SOLENOID VALVE D369
ASCO JB8342C20 120V-AC 1/4 IN NPT SOLENOID VALVE D37640
NEW NORGREN K71DA00KV6KV6 110/120V-AC 1/4IN NPT SOLENOI
NEW SKINNER V5053990 110/120V-AC 1/8IN NPT SOLENOID VAL
NEW MAC 130B-611JC 24V-AC SOLENOID VALVE D411279
NEW MAC 250B-116AA 110/120V-AC SOLENOID VALVE D410183
NEW MAC 45A-AA1-DAAA-1C?M 110/120V-AC 1/8 IN NPT SOLENOI
NEW MAC 825C-PM-591JJ-5?52 24V-DC 1/4 IN NPT SOLENOID VA
NEW SMC SYJ314-5MOZ-M5 24V-AC SOLENOID VALVE D434628
NEW ASCO 8320G089 RED-HAT II 120/110V-AC 1/4IN NPT SOLE
NEW KOHLER 78412 125PSI 1/2 IN NPT SOLENOID VALVE D4245
PARKER H22VXBK023B 3.8VA 145PSI 115/120V-AC SOLENOID VA
NEW HERION 8.2222E+006 115V-AC 1/2IN NPT SOLENOID VALVE
NEW MAC 821C-PM-111JM-1?22 25-150PSI 120V-AC 1/4 IN NPT
ASCO EF8342C1 RED-HAT 125PSI 120V-AC 1/4 IN NPT SOLENOI
MAC 55B-12-PI-111CA 150PSI 120V-AC 3/8 IN NPT SOLENOID
NUMATICS 082RS115J016W 100-115/110-120?V-AC SOLENOID VAL
NEW MAC 55B-12-PI-111CA 120V-AC 3/8 IN NPT SOLENOID VAL
NEW ASCO EFHT8210G35 120V-AC 3/4 IN NPT SOLENOID VALVE
NEW MAC 6211C-222-PM-50?1DA 150PSI 24V-DC 3/8IN NPT SOLE
SKINNER V935LB2075 110/120V-AC 1/4 IN NPT SOLENOID VALV
ASCO RED HAT II 4 WAY 125PSI 120V-AC 1/4 IN NPT SOLENOI
MAC 612B-11-611JB 24V-DC 1/8 IN NPT SOLENOID VALVE D436
NEW VERSA ESM-3301-66 3-WAY 120V-AC 1/4 IN NPT SOLENOID
NEW NUMATICS L11BA452B017G61 24V-DC 1/8 IN NPT SOLENOID
HUMPHREY 250E1-3-10-20-3?6 120V-AC 1/4 IN NPT SOLENOID V
NEW SMC VF1120-3DZ-01 120V-AC 1/8 IN NPT SOLENOID VALVE
NEW MAC 55B-12-PI-501JJ PNEUMATIC 24V-DC 3/8 IN NPT SOL
NEW BURKERT 181-H-20,0-F-MS 8W 110V-AC 3/4IN NPT SOLENO
NEW NUMATICS 052BB4Z2KL00030 120V-AC SOLENOID VALVE D38
PARKER 4530BF-40ABBE53 PNEUMATIC 40-150PSI 120V-AC SOLE
PARKER 4530BF-40ABBE53 PNEUMATIC 40-150PSI 120V-AC SOLE
NUMATICS 34SAD441O000030 150PSI 120V-AC 3/8 IN NPT SOLE
NEW MAC 132B-594BAAA 132B-594B-AAA SOLENOID VALVE 24V-D
ASCO EF8342C1 RED-HAT 20W 120V-AC 1/4 IN NPT SOLENOID V
NEW MAC 225B-114CAAA 150 PSI 24V-DC 120V-AC 1/4 IN NPT
SKINNER X52LB1200 1/16IN ORIFICE 110/120V-AC 1/4 IN NPT
NEW NUMATICS 236-126B 031SA4414 12V-DC 1/8 IN NPT SOLEN
NEW SMC SV3100-5FU 5 PORT PNEUMATIC 24V-DC SOLENOID VAL