VT3014-38現(xiàn)貨
內(nèi)部輔助繼電器不對(duì)外輸出,不能直接連接外部器件,而是在控制其他繼電器、定時(shí)器、計(jì)數(shù)器時(shí)作數(shù)據(jù)存儲(chǔ)或數(shù)據(jù)處理用。根據(jù)程序設(shè)計(jì)的需要,應(yīng)合理安排PLC的內(nèi)部輔助繼電器,在設(shè)計(jì)說(shuō)明書(shū)中應(yīng)詳細(xì)列出各內(nèi)部輔助繼電器在程序中的用途,避免重復(fù)使用。
3.分配定時(shí)器計(jì)數(shù)器
對(duì)用到定時(shí)器和計(jì)數(shù)器的控制系統(tǒng),注意定時(shí)器和計(jì)數(shù)器的編號(hào)不能相同。若掃描時(shí)間較長(zhǎng),則要使用高速定時(shí)器以保證計(jì)時(shí)準(zhǔn)確
安全回路設(shè)計(jì)
安全回路起保護(hù)人身安全和設(shè)備安全的作用,它應(yīng)能獨(dú)立于PLC工作,并采用非半導(dǎo)體的機(jī)電元件以硬接線(xiàn)方式構(gòu)成。
確保系統(tǒng)安全的硬接線(xiàn)邏輯回路,在以下幾種情況下將發(fā)揮安全保護(hù)作用:① PLC或機(jī)電元件檢測(cè)到設(shè)備發(fā)生緊急異常狀態(tài)時(shí);② PLC失控時(shí);③ 操作人員需要緊急干預(yù)時(shí)。
設(shè)計(jì)安全回路的任務(wù)包括以下內(nèi)容:
(1) 確定控制回路之間邏輯和操作上的互鎖關(guān)系;
(2) 設(shè)計(jì)硬回路以提供對(duì)過(guò)程中重要設(shè)備的手動(dòng)安全性干預(yù)手段;
(3) 為PLC定義故障形式和重新啟動(dòng)特性。
PLC應(yīng)用系統(tǒng)的軟件設(shè)計(jì)
PLC應(yīng)用軟件設(shè)計(jì)的內(nèi)容
PLC應(yīng)用軟件的設(shè)計(jì)是一項(xiàng)十分復(fù)雜的工作,它要求設(shè)計(jì)人員既要有PLC、計(jì)算機(jī)程序設(shè)計(jì)的基礎(chǔ),又要有自動(dòng)控制的技術(shù),還要有一定的現(xiàn)場(chǎng)實(shí)踐經(jīng)驗(yàn)。
一個(gè)實(shí)用的PLC軟件工程的設(shè)計(jì)通常要涉及以下幾個(gè)方面的內(nèi)容:
(1) PLC軟件功能的分析與設(shè)計(jì);
(2) IO信號(hào)及數(shù)據(jù)結(jié)構(gòu)分析與設(shè)計(jì)(3) 程序結(jié)構(gòu)分析與設(shè)計(jì);
(4) 軟件設(shè)計(jì)規(guī)格說(shuō)明書(shū)編制;
(5) 用編程語(yǔ)言、PLC指令進(jìn)行程序設(shè)計(jì);
(6) 軟件測(cè)試;
(7) 程序使用說(shuō)明書(shū)編制。
PLC應(yīng)用系統(tǒng)的軟件設(shè)計(jì)步驟
根據(jù)可編程序控制器系統(tǒng)硬件結(jié)構(gòu)和生產(chǎn)工藝要求,在軟件規(guī)格說(shuō)明書(shū)的基礎(chǔ)上,編制實(shí)際應(yīng)用程序并形成程序說(shuō)明書(shū)的過(guò)程就是應(yīng)用系統(tǒng)的軟件設(shè)計(jì)。
Ametek/US Gauge Solfrunt Pressure Gauge Fig #1980 0-160# 4-1/2" 1/2" ANPT (NIB)
AMETEK DREXELBROOK SENSOR
AIRCRAFT DC9/MD80 HYD FLUID QUANTITY IND P/N SRL-12J
AIRCRAFT DC9/MD80 LOADMETER IND P/N 8AW61LAS1
AMETEK PANALARM SC10-120A USED 8 PIN ALARM RELAY SC10120A
AMETEK PANALARM SC-10 USED 8 PIN ALARM RELAY SC10
*AMETEK 3959724
*AMETEK 33505
Ametek Power Controller - Model SCPF1 Series
# AMETEK. PRESSURE / TEMP GUAGE. C - PT 1X810. 2 - 1/2 " PT
AMETEK-PANALAR?M 90-AX1 24VDC WB-3 SIGNAL APPLIANCE SYSTEM UNIT NEW
Ametek Hunter Spring 2200 Grams Force Gauge
Ametek USG Gauge 0-30 IN. HG. Vacuum
Ametek USG Pressure Gauge 0-100PSI 4-1/4" Face
AMETEK SPTV4.8X140 1/8" PRESSURE TRANSDUCER 1.2 TO 4.8 PSIG RANGE
Push Pull Gage Ametek L-10M
AMETEK PANALARM NT2-24D 24V NOVATONE ELECTRONIC AUDIBLE ALARM SIREN HORN
AMETEK CONN & CABLE ASSY 1746/2500
GOOD USED AMETEK DREXELBROOK ZTRON OUTPUT MODULE 402-3200 4023200
PANALARM AMETEK SERIES 70-TFS5 SEQUENCE LOCK CIRCUIT CARD BOARD 24V 70BD 13375
NIB AMETEK/USG THERMOMETER 9" BT-31 150-750o F 1/2" NPT
Ametek Gemco Switch 1950-1-B-B-AO SPDT 1 Pole
Ametek Liquid Filled Gauge 30 in Hg X 0 PSI 4-1/2" Face Stainless Steel
SCIENTIFIC COLUMBUS/AMETE?K XLGI10S1-A TRANSDUCER ***NNB***
Ametek / USG Pressure Gauge 0-20 kPa 4-1/2"
SAZ-4201ER *NEW* OE Solenoid for Prestolite, Ametek 12V
Ametek US Gauge 1913 1000 psi 1/2 ANPT LBM size 4 1/2
Ametek Hunter Spring LN-22, "Newtons" Mechanical Force Gauge
Ametek Hunter Spring L-02, Mechanical Force Gauge
AMETEK USG SOLFRUNT GAUGE, 3/4", 1/4"
Ametek Pressure Gauge 1933 60 PSI *NEW*
NIB Ametek US Gauge DTT-8304 Digital Thermometer DT8300
NIB USG AMETEK SOLID FRONT 160PSI 4.5" GAUGE #150026
Ametek L-30 Depth Meter
Ametek 119419-00 Blower / Vacuum Motor
Lamb Motor Single Stage 5.7 Thru Flow Ball Bearing 120V
Ametek 1707 Tak-Ette Portable Mechanical Tachometer USA
Ametek Vacuum Motor #118154-54
NOS! AMETEK / ROTRON MUFFLER / SILENCER 523625 14.5"
AMETEK TYPE TK DIAPHRAGM SEAL 1500 PSIG WITH WIKA GAUGE
AMETEK INC. PANALARM ACS-8 8 PIN RELAY
NEW AMETEK AIR VOLUME CONTROL 148540A FOR DEEP WELL/JET PUMPS
Ametek 1X599 0-100 psi 4.5" pressure gauge
WIND GENERATOR TURBINE 400 WATT WITH AMETEK MOTOR
Ametek Vacuum Motor 118148-53 120V 50/60Hz (EC4-2)
AMETEK Alpha 11 Air Sampler Pump Charger # HH0091
Ametek Drexelbrook LCS High Sensitivity Electronics
AMETEK Prestolite SAZ-4201BR Relay Switch Solenoid
AMETEK GAUGE P500 1/4 ANPT CONNECTION SIZE 2
Ametek 24337212-001 Dual Pressure Module 1708 03237212A
Ametek / USG Pressure Gauge 0-30 PSI
VT3014-38
AMETEK COMPARATOR PRESSURE GAUGE TESTER MDL T-3A
AMETEK DREXELBROOK THE POINT PXLX3 REMOTE LEVEL SWITCH
Ametek Chatillon DFIS10 Digital Force Gauge Push/Pull Test Kit +Loadcells +Case
AMETEK GEMCO LINEAR SENSOR TRANSDUCER 94002403E ~ NEW
AMETEK ACCUFORCE CADET FORCE GAGE, 0 - 20 lbs.
AMETEK GEMCO 2006-404L120A ROTARY LIMIT SWITCH SENSOR
Ametek Regenerative Blower Model DR303AE9M
Ametek Lamb 116136-00 Vacuum Cleaner Motor
NEW AMETEK 851FG0100NHSCN PRESSURE SENSOR 73327 TRANSMITTER
Photometric Analyzer ametek 4000 in nice used condition!
AMETEK 955SV30080 955 SMART BRIK LINEAR TRANSDUCER NEW
Ametek Lamb vacuum Cleaner Motor 117507-13
Ametek Lamb 115684 Vacuum Cleaner Motor
NEW AMETEK GEMCO 2006-404L5A ROTARY LIMIT SWITCH
Ametek Lamb 115937 Vacuum Cleaner Motor
Ametek 3HV46A 5.7" 800W Brushless Blower
Working AMETEK PRX12SB-59 7 DAY WIND UP 0-200psi ANALOG DATA RECORDER LOGGER
AMETEK/DIXSON BE101AXYL4/20M?ADCV6481 DISPLAY ***NIB***
AMETEK/DIXSON 101P PROGRAMMABLE BG DISPLAY ***NIB***
RIS/AMETEK SC-1300R-V0-N4?-SST SLIDEWIRE TRANSMITTER 115VAC ***NNB***
United Electric /Ametek Pressure Switch & Seal J402-521
Oil Pressure Transmitter O/H Part#ST-4H
AMETEK WEIGHTS FOR TESTER, DEAD WEIGHT
AMETEK ACCU FORCE GAUGE II ML4431-4
AMETEK E-7181 24VDC
Ametek Mechanical Force Gage 0-30 Pound Range
AMETEK ACCUFORCE CADET FORCE GAGE 0-250 N
USG Ametek Pressure Guage 1981, Part # 150036 NIB
Gemco Ametek 950MD12A0B0CC3?RF 952 Blue Ox Transducer
AMETEK DREXELBROOK 700-0005-54 270-0001-968 409-1000-001 UNIVERSAL III
NEW AMETEK 116336-00 VACUUM MOTOR 120 VAC 1 PHASE, 120 VAC, 50/60 HERTS LAMB
Ametek Windjammer 116630-03 Motor for Plexus Mattress Pumps
Ametek US Gage 4 1/2" arc loc 60 psi pressure gage
AMETEK PRESSURE TRANSDUCER -14.7 TO 100 PSIG 4-20MA -NEW-
HUNTER / AMETEK USG LO-5M FORCE GAUGE/OUNCE SCALE WORKS
Ametek Pressure Gauge w/ Diaphragm 0-160 psi 4-1/2"
Ametek / USG Pressure Gauge w/ Diaphragm 0-60 psi
Ametek Accuforce Cadet Force Gage 0-20 Lbs
VT3014-38
ADEPT TECH 10332-01367 USPP 1033201367
ADEPT TECH 10171-01310 NSFP 1017101310
ADEPT TECH 10332-11000 MANUAL CONTROL 111 OPERATOR
ADEPT TECH 10840-42160 USPP 1084042160
ADEPT TECH 840-1311 USPP 8401311
ADEPT TECH 10330-00470 NSPP 1033000470
ADEPT TECH PN# 10337-15200 REV. P5 A AMP POWER AMPLIFIER SERVO AMP
ADEPT TECH 10554-00505 NSPP 1055400505
ADEPT TECH 10330-00470 USPP 1033000470
ADEPT TECH 10330-00450 USPP 1033000450
ADEPT TECH 10330-00460 USPP 1033000460
ADEPT TECH 10300-15520 MODULE 1030015520
ADEPT TECH 0840-1411 USPP 08401411
ADEPT TECH 20310-3100 USPP 203103100
ADEPT TECH 10152-35700 USPP 1015235700
ADEPT TECH 10152-35720 USPP 1015235720
ADEPT TECH 10320-00010 NSPP 1032000010
ADEPT TECH 10320-00010 USPP 1032000010
ADEPT TECH 30340-20000-PS USPP 3034020000PS
ADEPT TECH 10330-01030 USPP 1033001030
ADEPT TECH 10330-00375 USPP 1033000375
ADEPT TECH 30332-00380 USPP 3033200380
Adept Tech 10330-00460 REV X1 VMP Encoder Module/SP-Inte?rface
Adept Tech 10330-00470 REV X1 VMPS Servo Panel Interface SP-0S3/8 G4
Adept Tech 10330-00450 REV X1 VMPM Machine Panel Interface SP-0S3-18
ADEPT TECH PN# 90338-51010 CAT 3 SERVO DUAL B+ SERVO DRIVE REV. P6
ADEPT TECH 10330-01000 USPP 1033001000
ADEPT TECH 10330-01010 USPP 1033001010
ADEPT TECH 10330-01020 USPP 1033001020
ADEPT TECH 10861-01330 USPP 1086101330
ADEPT TECH 10330-01080 NSPP 1033001080
ADEPT TECH 10330-01090 NSPP 1033001090
VT3014-38