1746-HSCE2
1746-HSCE2
1746-HSCE2
控制器是DCS的核心部件,它相當于一臺PC機。有的DCS的控制器本身就是PC機。它主要有CPU、RAM、E2PROM和ROM等芯片,還有兩個接口,一個向下接收I/O總線來的信號,另一個接口是向上把信號送到網絡上與人機界面相連。ROM用來存貯完成各種運算功能的控制算法(有的DCS稱為功能塊庫)。在庫中存功能塊,如控制算法PID、帶死區(qū)PID,積分分離PID,算術運算加、減、乘、除、平方、開方、函數運算一次濾波、正弦、余弦、X-Y函數發(fā)生器、超前-滯后;比較先進的算法有史密斯預估,C語言接口、矩陣加、矩陣乘;邏輯運算有邏輯與、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關量結合起來,還與人連系起來。功能塊越多,用戶編寫應用程序(即組態(tài))越方便。組態(tài)按照工藝要求,把功能塊連接起來形成控制方案。把控制方案存在E2PROM中。因為E2PROM可以擦寫,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,用戶從功能塊庫中選擇要的功能塊,填上參數,把功能塊連接起來。形成控制方案存到E2PROM中。這時控制器在組態(tài)方式,投入運行后就成為運行方式
現(xiàn)貨,現(xiàn)貨,降降降,火火火,火火火……
現(xiàn)貨,現(xiàn)貨,降降降,火火火,火火火……
——————————————————————————————————————
◆ 企業(yè)名稱:廈門泰尼電氣有限公司
◆ 聯(lián)系人: 小廖(女士)
◆ 電話:0592-6539066
◆ 手機:18965113601
◆ 傳真:0592-6890859
◆ QQ:1490371370
誠信經營,質量為首,服務至上,廈門泰尼小廖竭誠為您服務?。?!
———————————————————————————————————————
DAYTON CENTRIFUGAL 14" IN-LINE DUCT BLOWER WITHOUT MOT
SQUARE D JDL36200/68W26 3 POLE 600V/200 AMP J-
KOHLER 3262-2-NA BALLAD 15 X 15 STAINLESS STEEL SINK 3-
KOHLER K-6526-BN BRUSHED NICKEL HANDSHOWER 160254
CASH ACME F-82/16204-0075 2" PRESSURE RELIEF VALVE 1602
KOHLER K-T469-4V-G BRUSHED CHROME BATH FAUCET TRIM 160
DAYTON 54" MOTORIZED DAMPER DOUBLE PANEL 145961
YORK 2EE04703724 SINGLE PACKAGE UNIT ECONOMIZER 150780
CARRIER 301667-727 LOW AMBIENT KIT 84362
ASHLAND CONVEYOR W11F10EG15B22/4W571 ROLLER CONVEYOR 16
THERMO SCI 013660 4 ELECTRIC COND. CELL 20M,=.55 145861
DAYTON FAN GUARD 726-902912/1WBU9 FOR 60" DIRECT/PROPEL...
BERK-TEK ICP004CB3510/15-6920 4 FILAMENT PLENUM MULTI-M
DAYTON 5M199 24" DIAMETER WASHDOWN AIR CIRCULATOR 1/3 H
SCHWANK SEM-130-N-CF/SJS130MBN 130NG LOW INTENSITY TUBE
ALLTECH 28105-151030 HYP BDS-C18 COL 150x1MM,5UM 145865
KOHLER K-8549-BN DIVERTER VALVE/HAND SHOWER HOSE GUIDE
TEMPSTAR EDD2X48JA 4 TON AC/HP UP/DOWN CASED A COIL R-2
TEMPSTAR EXA48J22WT 4 TON AC/HP UP/DOWN UNCASED A COIL
HEIL EDD4X48LA 4 TON DOWNFLOW CASED A COIL R410A 62044
TEMPSTAR EBD2X42JA 3-1/2 TON AC/HP UP/DOWN CASED A COIL
TEMPSTAR EDM2X42LA 3-1/2 TON AC/HP MULTI-POSITION CASED
TEMPSTAR EDM4X42JA 3-1/2 TON AC/HP MULTI-POSITION CASED
ICP EDM4X42LA 3-1/2 TON AC/HP MULTI-POSITIOIN CASED A C
TEMPSTAR EDM2X42JA 3-1/2 TON AC/HP MULTI-POSITION CASED
TEMPSTAR EDD2X48FA 4 TON AC/HP UPFLOW/DOWNFLOW CASED A
TEMPSTAR EDD4X48FA 4 TON AC/HP UP/DOWN CASED A COIL R-4
WATTS 0062129/009QT REDUCED PRESSURE ZONE ASSEMBLY 1608
ADP HD20636D245B2603AP/070310202 3 TON AC/HP HORIZONTAL
JOHNSON CONTROLS M120AGA-1W/VLV/68322005 1-1/2" 3-WAY M
WESCO ATP-2436-SR54ZZ72 PLATFORM TRUCK,LOAD CAPACITY 2
DAYTON 16" EXHAUST FAN,INDUSTRIAL DIRECT DRIVE 115/230V
MITSUBISHI AN42YEJMT 3-1/2 TON AC/HP SCROLL COMPRESSOR
SQUARE D KAP36110MT/29K62 3 POLE 600 V/110 AMP KAP CIRC
HONEYWELL QM4018A1009 DATA ACQUISITION MODULE 19278