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厦门仲鑫达自动化设备有限公司
吴工(销售工程师)
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PLC程序设计优良与否的几个评价重点指标
(1)PLC程序的正确性。
正确的程序能经得起系统出运行实践的考验。
(2)PLC程序的可靠性。
●能保证系统在正常和非正常(短时掉电、某些被控量超标、某个环节有故障等)情况下都能可靠地运行。
●能保证在出现非法操作(如按动或误触动了不该动作的按钮等)情况下不至于出现系统失控。
(3)PLC参数的易调整性好。
经常修改的参数,在程序设计时考虑怎样编写才能易于修改。
(4)PLC程序结构简练。
简练的程序,可以减少程序扫描时间、提高PLC对输入信号的响应速度。
(5)PLC程序的可读性好。
American Torch Tip ATTC 1808-40
Indeeco 47913 Finned
Powerex R7200612XXOO 1200A 600V
Emerson Electric FS-50 CTE-3017
Cisco 341-0235-06 PWR-2911 Emerson AA24910
Keyence VS-160 Voice Alarm Recorder VS160
Honeywell Microswitch FE-TRBU
Telco DPA20B501 115V
Multitek M842SB4VEPC
Dwyer Instruments DT1060 125V
Steel Grip ATH410-4XL
Weidmuller 991534 CSA 950 Power Supply In: 115-230Vac
Steel Grip ATH454B
ILSCO TA-6-S 1/4"
BMI PowerScope Series 4800 Model S-002
Comtrol 3000180 DeviceMaster DB9M
Rochester Instrument RiS PCE-20-P3-E1-C15-X20-F60-W0-Z0
New AMETEK SC1302 115V
Sensis BBC F1010 Bumpy Bar Code Scanner Reader 0028
Traceability Systems BBC F1010
New Weschler Instruments BG241 600 Max 150VAC
Blackstone 0804835 New 4" x 14" Wet
MSA Toxgard 485950 Oxygen Monitor 110/220V
GE 9L20FXX018XHS 18KV
Hoffman CP3030 Concept
Weschler Instruments BG241 800 Max Style 4B4XXAAN0XXPXT
Cornell Dubilier Mallory Lot of 200 SXR471M050ST
Yokogawa 255324ECSF8JCF New 0-500 DC
GE CR2960SY139D3A New 300 Amp
Honeywell 6PA121
Cooper UHG06050B5D0A1A
Weidmuller SAK-35 / 303520000 600V
Weidmuller 29432 27A 300V 22-AWG
GE MVR360/U/WM/HO Light
Philips Day-Brite EHL400PMT-LR23-PSC-LP 400W 3.7A 277V
LoadTrack Joslyn TK-LT250-15A 250V 120-260VAC
General Electric GE A97F8675 600 VV
Philips Omega OM6LED27277 0.11A 277V 50/60Hz
Cooper Arrow Hart CDBB5
Hoffman PPB1126
Acopian B5G120
Cornell Dubilier SKA220M050
Puls Dimension Model QS20 120Vac 24Vdc
Yokogawa 248955-541-AHD-0-0/JER
Centurion S28 BOX OF 20
Ebm-Papst W2E208-BA20-51
Murata DMU-30ACV-1-DR-C
Badger Meter 58713-001 AR/E
Marathon 37TB27F 15 Amp 300V 27 Pos.
Yokogawa 103131LSTM Scaled
Panduit T50FR-C Spiral Wrap
Yokogawa 2011 No. 04863S DC Ammeter 2011-SGS B9000ES-S
Cutler Hammer TBAL90 115 Amp 600V 3P 8AWG
Fuji 1MBI600LN-060A-01
Select Arc 115K4 3/32" 60Lb
Yokogawa 103131LSSN AC
Weschler Instruments 103-121-CASS
SOLA Electric Hevi-Duty SOR-5H-480-3 SLR
Great Lakes Industries 671C7F1G0N 671
American Torch Tip 7490BTU-6
Toa Electric TA-101 Information
Photocraft RSB-5AJ/24P 24VDC
Rochester Instrument RiS WWH-30
Rosemount Series 4001 Alarm Monitor 4001AM 24P3 4001AM2
Omron S82G-3312 12V/2.5A
Cornell Dubilier 500603U035CD2B 60000uF
Acopian B3G210 Regulated
Vishay Sprague Powerlytic 36D7976 64000uf
Jackson Safety 0701-0054 AW-C
Sanki FSC Feeding System Controller 200V MFC-N6 & MFC-F
Marathon 208HB 20A 300V 14 AWG
Acopian A24H1200M Regulated 24VDC A24H1200
Bell 5361-0 Gray 4" Round
Innovative Tech P-1S 120+C P-Plus
Parker 750-0030-1 0.75mm X 16.30mm
Trane CON00849
EST Auxiliary Model APS8A
M-System K-Unit Signal Conditioner KSF-44-H
Weschler Yokogawa 103121CASC Ammeter Scale 0-400
Weschler Yokogawa 103122ABUA -3000-0-3000 DC
Swagelok SS-8-RA-6
Nemic-Lambda VES-10-24 DC 2.1 A Power Supply VES1024
Hoffman PT66 Solid
Ebm-Papst W2E200-HK38-01
Murata ACA5-20PC-5-AC1-RL-C
Indeeco 47219 Finned Tubular
Hoffman A21ITE Operator Adapter for I.T.E
National Railway Supply ERB-C 5/5 115/230V 60Hz
SOLA 83-83-3225 120 / 240 Vac 9-12V
TDK ZACT2250-ME ZACT-ME Series Noise Filter 3AC250V~50A
Thomas and Betts G971 2 AWG
Service First Trane VAL01483
BRG Precision Products CB440-L5-CL-P08-B1-F1
Select Arc 4130 LN 3/32" Low
Sola Automation SDN SDN10-24-100
Metso Automation LK-1874M 1/2"-2" Series 4000
Burndy YA34-2LH119TN
MRC 313S Single Row Ball Bearing Steel/C3/ABEC-1/EMQ
Hoffman A-VK44SS6 Louver
Bauart Gepruft 163901051-002 Model SP285
Scientific Columbus XLV34-2K5P-AN7
LEM HAT 800-S 800A 15V
Lincoln Excalibur 10018-D2 MR 50lbs 7/32" x 18"
Martin BLK3731 New 1-7/8" 15-60
Aerovox Mallory 600442-14A Capacitor Type CGS 3000-MFD
International Rectifier 250RA30
Functional Devices MH3800
Andrew L45SGRIP 5/8 Coaxial
Marathon 212HB 12 Position
Metso Automation LK1874 For 1-1/2
TransData 10CP552 Current
Voltek VSDT615A
ESAB Atom Arc 4130 50Lb Electrode Welding Rod 81110
Reliance Electric 803456-3T
Georgia Hydraulic CLH1506C-15-MP1
HAWK 011-441-642-497-000
digital H7082-AA
Woodward 9905-096 Automatic
Howden Buffalo CM-1N-300