描述
控制器是DCS的核心部件,它相當(dāng)于一臺(tái)PC機(jī)。有的DCS的控制器本身就是PC機(jī)。它主要有CPU、RAM、E2PROM和ROM等芯片,還有兩個(gè)接口,一個(gè)向下接收I/O總線來(lái)的信號(hào),另一個(gè)接口是向上把信號(hào)送到網(wǎng)絡(luò)上與人機(jī)界面相連。ROM用來(lái)存貯完成各種運(yùn)算功能的控制算法(有的DCS稱(chēng)為功能塊庫(kù))。在庫(kù)中存功能塊,如控制算法PID、帶死區(qū)PID,積分分離PID,算術(shù)運(yùn)算加、減、乘、除、平方、開(kāi)方、函數(shù)運(yùn)算一次濾波、正弦、余弦、X-Y函數(shù)發(fā)生器、超前-滯后;比較先進(jìn)的算法有史密斯預(yù)估,C語(yǔ)言接口、矩陣加、矩陣乘;邏輯運(yùn)算有邏輯與、邏輯或、邏輯非、邏輯與非等。通常用站功能塊不僅把模擬量和開(kāi)關(guān)量結(jié)合起來(lái),還與人連系起來(lái)。功能塊越多,用戶編寫(xiě)應(yīng)用程序(即組態(tài))越方便。組態(tài)按照工藝要求,把功能塊連接起來(lái)形成控制方案。把控制方案存在E2PROM中。因?yàn)镋2PROM可以擦寫(xiě),組態(tài)要隨工藝改變而改變,所以把組態(tài)存在E2PROM中。不同用戶有不同組態(tài)。組態(tài)時(shí),用戶從功能塊庫(kù)中選擇要的功能塊,填上參數(shù),把功能塊連接起來(lái)。形成控制方案存到E2PROM中。這時(shí)控制器在組態(tài)方式,投入運(yùn)行后就成為運(yùn)行方式。? 變頻器維修技術(shù)學(xué)習(xí)方法有沒(méi)有最好的,怎樣才能用最少的時(shí)間、投入最小的精力就可學(xué)會(huì)并掌握變頻器維修技術(shù),是每一個(gè)想學(xué)習(xí)變頻器維修技術(shù)的人們都十分渴望的。筆者就變頻器維修技術(shù)學(xué)習(xí)方法說(shuō)說(shuō)自己的一些觀點(diǎn),希望能給朋友們一些啟發(fā)。
變頻器維修技術(shù)學(xué)習(xí)方法之一,應(yīng)制定詳細(xì)的學(xué)習(xí)計(jì)劃、由基礎(chǔ)知識(shí)開(kāi)始學(xué)習(xí),從簡(jiǎn)單到復(fù)雜循序漸進(jìn)的進(jìn)行學(xué)習(xí)。變頻器維修技術(shù)是一項(xiàng)即高端又復(fù)雜的技術(shù),剛開(kāi)始學(xué)習(xí)時(shí),應(yīng)制定一個(gè)詳細(xì)的學(xué)習(xí)計(jì)劃,從簡(jiǎn)單的基礎(chǔ)知識(shí)開(kāi)始學(xué)習(xí),將簡(jiǎn)單的基礎(chǔ)知識(shí)掌握之后,再深入學(xué)習(xí)復(fù)雜的知識(shí),學(xué)習(xí)過(guò)程中必定會(huì)遇到一些費(fèi)解或不理解得知識(shí)點(diǎn),遇到這種情況可以暫時(shí)記住問(wèn)題,先不用理會(huì),繼續(xù)向后學(xué)習(xí),等后面的內(nèi)容學(xué)的差不多時(shí)再回頭去看之前不能理解的知識(shí)點(diǎn)時(shí),往往問(wèn)題就能迎刃而解。以循序漸進(jìn)的法則進(jìn)行學(xué)習(xí),如此就能在一定時(shí)間內(nèi)掌握變頻器維修技術(shù)了
產(chǎn)品承諾:
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保?證?安全準(zhǔn)時(shí)發(fā)貨,
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優(yōu)勢(shì)價(jià)格,大量現(xiàn)貨。
主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌:ABB???,AB??,GE,FOXBORO,本特利,英維思,伍德沃德,西屋,瑞恩,施耐德,西門(mén)子,摩托羅拉,安川。力士樂(lè)。ACSO,橫河等進(jìn)口品牌。 專(zhuān)業(yè)銷(xiāo)售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專(zhuān)業(yè)銷(xiāo)售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家
Stepper Control Card for ORMEC GN3 made by nuLogic Inc.
GN3-DSP-A2/A Rev 3.0c DSP Axis Module made by ORMEC
3EF-50 Mains Filter KOLLMORGEN SEIDEL USED
REG 100 gearbox ratio 6:1 made by EISELE
EKM56-L4.6 Brushless Servo Motor 2Nm, 6000rpm Koncar
GEL 262 BE-00050-B20 magnetic incremental encoder, IP65
A27.25-E512 PAPST motor code: 933 2725 500 PAMOdrive
Gel108-TN01024D?000 5V encoder 1024ppr LenordBauer USED
Quin Systems Diagnostic Interface with ribbon cable NEW
SAC-E01A2 E-Series AC brushless servodrive ORMEC
Sercos interface board for selected Servostar drives
EKM56-M4.6 Brushless Servo Motor 1.2Nm, 6000rpm Koncar
CRT Eurocard chasis with 5″monitor made by SEI Italy
SM86.2.18.M6 stepper motor 2.5Nm Zebotronics USED
NE B 10-30-3-A1 Power Supply made by ASB
BKL-60/79-28mm & 28mm bores R+W metal bellows coupling
R60WKSMB motherboard for Kollmorgen Seidel 60WKS drive
ST3.6.1 Pre-Select Counter Zebotronics NEW
SHR200-400W MINICLAMP BRAKING PCB AXOR NEW
F65WKSMB motherboard for Kollmorgen Seidel 65WKS drive
STC SDX40E/180 telephone system
SHR140-400W MINICLAMP BRAKING PCB AXOR NEW
GN3-DSP-A2/A Rev 2.1d DSP Axis Module made by ORMEC
SHR200-200W MINICLAMP BRAKING PCB AXOR NEW
R03SMB motherboard for Seidel 03S drives
MRG500 Rubber coated precision Measuring Wheel 500mm
EKM56S-4.6 Servo Motor 0.75Nm, 6000rpm, 300V, Koncar
M21NRXA-JDN-NS-?00 Powermax II stepper motor 55W 1500rpm
SHR140-200W MINICLAMP BRAKING PCB AXOR NEW
MRM 500 Anodised metal precision Measuring Wheel 500mm
8PM.V2-XXX.001 connector made by Souriau
M1233062S8 LAM Stepper Motor 2ph 1.8deg 1.8Nm/4.2A NEW
Mini-S Control Terminal made by ICN in France
SHR060-100W MINICLAMP BRAKING PCB AXOR NEW
CBL-GMSW/25 ServoWire cable made by ORMEC USA
CBL-GMSW2/25′ G motor cable made by ORMEC USA
M51-315 motion control module made by SEI spa in Italy
RP/C60.1 motherboard Zebotronics new
BK5-15/63-25mm & 19mm plug-in segment bellows coupling
R03SMB motherboard for Seidel 03S drives
N56WKMB motherboard for Seidel 56WK power supply
PBX-R2-7.5 indexer card made by ICN in France
PBX-ES1 output module made by ICN in France
F60WKSMB motherboard for Kollmorgen Seidel 60WKS drives
BK2-30/69-24mm / 24mm bores R+W metal bellows coupling
60WKS-01 ramp option for Kollmorgen Seidel 60WKS drives
6 core x 5m power cable 4×1+2×0.75mm
Papst 194 0200 005 power supply
PBX-R2-1.5 indexer card made by ICN in France
PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅
15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家