描述
經(jīng)驗(yàn)設(shè)計(jì)法用設(shè)計(jì)繼電器電路圖的方法來設(shè)計(jì)比較簡(jiǎn)單的開關(guān)量控制系統(tǒng)的梯形圖,即在一些典型電路的基礎(chǔ)上,根據(jù)被控對(duì)象對(duì)控制系統(tǒng)的具體要求,不斷地修改和完善梯形圖。有時(shí)需要多次反復(fù)地調(diào)試和修改梯形,增加一些觸點(diǎn)或中間編程元件,最后才能得到一個(gè)較為滿意的結(jié)果。
這種方法設(shè)計(jì)沒有普遍的規(guī)律可以遵循,具有很大的試探性和隨意性,最后的結(jié)果不是惟一的,設(shè)計(jì)所用的時(shí)間、設(shè)計(jì)的質(zhì)量與設(shè)計(jì)者的經(jīng)驗(yàn)有很大的關(guān)系,一般用于較簡(jiǎn)單的梯形圖(如手動(dòng)程序)的設(shè)計(jì),一些電工手冊(cè)中給出了大量常用的繼電器控制電路,在用經(jīng)驗(yàn)法設(shè)計(jì)梯形圖時(shí)可以參考這些電路。
歐美品牌停產(chǎn)的,常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計(jì)算機(jī)控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動(dòng)化控制系列
本特利,英維思,伍德沃德,福克斯波羅、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
Woodward 8915-118
Woodward 8915-123 Control Valve-Gas Fuel TM55P/3103 Hi Temp 1″Port
Woodward 8915-385 Control Valve-Liq Fuel TM55P
Woodward 8915-429 3151 Valve w/TM 40 LP actuator
Woodward 8915-526 Fuel/Water Valve
Woodward 8915-652 Control Valve-TM55P/1907 Lg Liquid
Woodward 8915-712 3103/TM55P CSA 1”Gas Valve&actauator assy.
Woodward 8915-755 Control Valve-TM55P/3103 Hi Temp Gas Fuel 2″Port
Woodward 8915-775 Control Valve-TM40/3151A Water
Woodward 8915-782 3151A/TM40 Water Injection Valve/Act
Woodward 8915-861 Fuel/Water Valve
Woodward 8915-877 Control Valve-Liq Fuel TM55P/1907 Lg Liquid
Woodward 8915-880 EM35 A9907-105,
Woodward 8915-883
Woodward 8915-886 Gas Fuel Valve
Woodward 8915-887 3103/tm55
Woodward 8915-948 3151A/TM40 Water Injection Valve/Act
Woodward 8915-953 3103/EM35 GAS VALVE
Woodward 8915-955 3103/EM35MR CSA 2”Gas Valve&actuator assy
Woodward 8915-978 3171A/EM35MR GAS VALVE W/DUAL RESOLVER.
Woodward 8915-986
Woodward 8923-811 Kit-Read only Ladder Logic V1.Control
Woodward 8924-574
Woodward 8928-5014 license key for the Woodward Control Assistant program,version 3.3
Woodward 9902-244 Fuel Valve 9904-247,9904-002
Woodward 9903-057 EGR actuator
Woodward 9903-091 Ramp Generator and Signal Converter
Woodward 9903-109 EG-M CONTROL
Woodward 9903-226 PG-PL
Woodward 9903-557 ENHANCED 505
Woodward 9904-002 TM55 Intergrating Actuator
Woodward 9904-060 TM-25 Actuator,extends
Woodward 9904-061 TM-25 Actuator,retracts
Woodward 9904-111 TG-13E,4000 RPM,CCW COND CONN
Woodward 9904-113 TG-17E
Woodward 9904-173 TM-55 Actuator
Woodward 9904-206 TP&M FT-8 DUAL CHANNEL SERVOVALVE
Woodward 9904-254 FT-8 HYDRAULIC PUMP
Woodward 9904-261 FT-8 HYDRAULIC PUMP
Woodward 9904-263 FT-8 HYDRAULIC PUMP
Woodward 9905-001 SPMA Synchronizer
Woodward 9905-017
Woodward 9905-020 Low Voltage 2301 Load Sharing&Speed Control
Woodward 9905-021 2301A LOAD SHARING&SPEED CONTROL
Woodward 9905-059 TM 40 LP Proportional Actuator
Woodward 9905-089 Process Import/Export
Woodward 9905-180 LOAD SHARING MODULE
Woodward 9905-204 DSM synchronizer volt matching
Woodward 9905-211 701 digital speed control
Woodward 9905-462
Woodward 9905-463 ProAct Speed Control
Woodward 9905-537 ST 2000 Programmer for GENDEC
Woodward 9905-603 Digital Synch&Load Control
Woodward 9905-678 Linknet
Woodward 9905-699 NEW STYLE 505
Woodward 9905-703 Digital Synch&Load Control
Woodward 9905-707 DSLC Control
Woodward 9905-708 Digital Synch&Load Control
Woodward 9905-760 LinkNet Modules
Woodward 9905-763 TM-25 Actuator,extends
Woodward 9905-764 TM-25 Actuator,retracts
Woodward 9905-858 Peak 150
Woodward 9905-864 Peak150 110VAC/125VCD Nema 4X
Woodward 9905-896 505 Bulkhead
Woodward 9905-958 LINKNET AI
Woodward 9905-964 Gas Shutoff Valve,125VDC with Suppression
Woodward 9905-966
Woodward 9905-967 6 CHANNEL TC INPUT
Woodward 9905-968 LinkNet 6 ch 4-20 input
Woodward 9905-969 LinkNet 6 ch 4-20 input
Woodward 9905-970 LINKNET 6 CH RTD 100 OHM
Woodward 9905-971 LinkNet 16 ch discreet input
Woodward 9905-972 LinkNet 6ch 4-20 AO
Woodward 9905-973 8 CHANNEL RELAY
Woodward 9906-124 Real Power Sensor
Woodward 9906-619 723 Plus
Woodward 9906-619 723 Plus
Woodward 9907-005 377A62602P0001,9905-713F
Woodward 9907-018 2301 Load Share and Speed Control
Woodward 9907-019
Woodward 9907-028 SPM Synchronizer