機(jī)型選擇的其他考慮：在考慮上述性能后，還要根據(jù)工程應(yīng)用實際考慮其他
些因素包括：
a. 性能價格比。毫無疑問，高性能的機(jī)型必然需要較高的價格。在考慮滿足需要的性能后，還要根據(jù)工程的投資狀況來確定選型。

b. 備品備件。無論什么樣的設(shè)備，投入生產(chǎn)后都要具有 定數(shù)量的備品備件。在系統(tǒng)硬件設(shè)計時，對于 個工廠來說應(yīng)盡量與原有的設(shè)備統(tǒng) 機(jī)型，這樣 來就可以減少備品備件的種類和資金積壓。同時還要考慮備品備件的來源，所選機(jī)型要有可靠的定貨來源。

c. 技術(shù)支持。 選擇機(jī)型時還要考慮有可靠的技術(shù)支持。這些支持包括必要的技術(shù)培訓(xùn)、設(shè)計指導(dǎo)、系統(tǒng)維修等內(nèi)容。
4. 輸入/輸出模塊的選擇
可編程控制器與工業(yè)生產(chǎn)過程的聯(lián)系是通過各種I/O模塊實現(xiàn)的。通過I/O接口模塊，可編程控制器檢測到所需的過程信息，并將處理結(jié)果傳送給外部過程，驅(qū)動各種執(zhí)行機(jī)構(gòu)，實現(xiàn)工業(yè)生產(chǎn)過程的控制。在可編程控制器構(gòu)成的控制系統(tǒng)中，需要 多的就是各種I/O模塊。為了適應(yīng)各種各樣的過程信號，相應(yīng)地有許多種I/O模塊。它們包括數(shù)字量輸入/輸出模塊、模擬量輸入/輸出模塊、各種通眩塊。本書將從應(yīng)用角度出發(fā)，討論各種I/O模塊的選擇原則及注意事項。

***********************************

★ 公司名：廈門興銳嘉進(jìn)出口有限公司

★ 聯(lián)系人：劉工

★ 電話：0592-2350643/15359254348

★ 傳真：0592-5580710

★ 業(yè)務(wù)QQ：923584346，1903454598

★ Email：1903454598@qq.com

主營：FOXBORO,AB、ABB、Scheneider、Siemens、FANUC，安川，GE

**********************************

Yamada DP-5F Air-Operated Double-Diaphrag?m High Purity PTFE Pump, 3.25GPM Max
 
SMC PB1013-P07-X22A Process Pump 0.2-0.5MPa
 
New Goulds 4SHK6 Pump w/ Baldor EJMM3709T Motor 230/460VAC 17.8/8.9A 210GPM
 
Iwaki MD-70RLZT Magnet Pump Motor -no pump head, 115VAC 3.8A, 11.4GPM, 66.6'Head
 
Iwaki MD-6Z-115 Magnet Pump, 115V 60Hz 0.25A, 1/250HP, 2-Poles, 3100RPM
 
Grundfos CRN8-140 Vertical Pump 630' Head 42GPM Flow 230/460VAC 33/16.5A 254TC
 
Grundfos CRN8-140 Vertical Pump 630' Head 42GPM Flow 230/460VAC 35/17.5A 254TC
 
Grundfos CRN8-140 Vertical Pump 630' Max Head 42GPM Max Flow 230/460VAC 35/17.5A
 
LMI Milton Roy B721-92S Metering Dosing Pump 120VAC 2.5GPH 100PSI *Damaged*
 
LMI Milton Roy C721-72S Metering Dosing Pump 120VAC 44W 4.00GPH 100PSI *Damaged*
 
ProMinent gamma/4 G/4b1601PP3 Metering Dosing Pump 232PSI 0.26GPH 115VAC 16W
 
ProMinent gamma/4 G/4b1601PP1 Metering Pump 232PSI 0.25GPH *Damaged Cover*
 
ProMinent gamma/4 G/4b1601PP1 Metering Dosing Pump 232PSI 0.25GPH 115VAC 16W
 
Grundfos CH12-20 A-W-G-BQBE Pump, 70GPM, 265FT Max, 1"NPT, 220/380V 3PH
 
Schmid 03.025.0006 Immersion Pump, 220-240//440-48?0V 3PH, 4.8kW, 1"BSP, 5.25"Imp
 
Schmid Immersion Pump, 220-240//440-48?0V 3PH, 4.8kW, 1"BSP, 5.25"Imp, Stainless
 
Schmid Immersion Pump, 220-240//440-48?0V 3PH, 4.8kW, 1"BSP, 5.25"Imp, Titanium
 
Seepex Inline Gear Reducer 32.5:1 Ratio, 14mm I.D. Input, 20mm Output Shaft
 
Lot of 4 New Wilden 08-1120-21-500 Valve Seat, PVDF, Replacement Parts
 
Grundfos CRN3-11 A-P-G-E-HQQE Pump 3-Phase 2HP 15.41GPM 342.8'Head, PJE 42.2mm
 
Tesco MAR 161-008-10 Front Housing for TE-10K-MD Pump, 3" MPT In, 2" MPT Out
 
Masterflex 07589-30 Air Powered Peristaltic Pump 3 Rollers 3 to 25cfm 20-100PSI
 
Price Pump LT25SS-334-2121?1-33-36-3T7 230/460VAC 3PH 50/60Hz 12GPM 4' Head
 
Price Pump LT25 Pump Only, Max Flow: 12GPM, Min Flow: 0.5GPM, Max Head: 48'
 
Lot of 6 New Goulds Pumps 5K269 O-Rings 48mm x 41mm x 3.5mm
 
Lot of 9 New Goulds 5K206 Viton O-Ring for Pumps
Peristaltic Pumps w/ Bosch AXF 24V Gearmotor 24VDC 1/4" Tubing 175RPM @ 24VDC
 
LEWA FIS-DIALOG Metering Pump Micro-processor Unit 1,200 bar, 0.01 l/h-1,500 l/h
 
LEWA EK1 Dosing Pump 15mm Stroke 2kN Rod Force 100RPM w/ Siemens 460VAC Motor
 
Bell & Gossett 1510 Suction Pump 830GPM 75FT 25HP Motor 3-Phase 208/230/460VAC
 
Sethco 574P00K36331D4C ZDX-1/2BS Pump 230/460V 1/4 HP 1"NPT In 3/4"NPT Out
 
Penguin P-1-B Water Pump 74GPM 52ft Head 230/460VAC 5.8/2.9A 1HP 1.5" x 1"
 
Magnatex MPL40-V40N-210T?C Magnetic Drive Pump 70GPM w/ Baldor 230/460VAC Motor
 
Lutz B4/GT Motor and 0150-003 Pump 230/400VAC, 50Hz, 3.0/1.76A, 0.75kW
 
Lutz ME I 6-120 Motor and 0150-003 Pump, 120VAC, 60Hz, 5.9A 0.5HP
 
Liberty Pumps Model 405 Drain Pump, 5.5 Gallon Cap, 1/2HP, 115V Bad Float Switch
 
Liberty Pumps Model 405 Commercial Drain Pump, 5.5 Gallon Cap, 1/2HP, 115V 7.3A
 
Iwaki America WMD-100FY Pump with Marathon D390 Motor 2.5GPM 1" MNPT 37.7' Head
 
Webster 1S4GX0008 Vertical Seal-Less Pump CPVC 1/2HP 115/230VAC 6/3A 1.25" x 1"、