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如果必须要在上面的环境使用，则要为PLC制作合适的控制箱，采用规范和必要的防护措施。如果需要在野外极低温度下使用，可以使用有加热功能的控制箱。如何做这些防护箱或控制箱，各制造商和和资格的系统集成商将会为客户提供相应的供应和设计。

         在使用控制箱时，在控制箱内OpenPLC安装的位置要注意如下事项：控制箱内空气流通是否顺畅（各装置间须保持适当的距离），变压器、马达控制器、变频器等是否与PLC保持适当距离，动力线与信号控制线是否分离配置，组件装设之位置是否利于日后之检修，是否需预留空间，供日后系统扩充使用。

         除了上述注意事项之外，还有其它注意事项要留意。

          首先比较重要的是静电的隔离。静电是无形的杀手，但可能因为不会对人造成生命危险，所以许多人常常忽视它。在中国的北方、干燥的场所，人体身上的静电都是造成静电损坏电子组件的因素。虽然你被静电打到的话，只不过是轻微的酥麻，但这对PLC和其它任何电子器件就足以致命了。

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厦门仲鑫航自动化设备有限公司  

     要避免静电的冲击有下列三种方式：在进行维修或更换组件时，请先碰触接地的金属，以去除身上的静电；不要碰触电路板上的接头或是IC接脚；电子组件不使用时，请用有隔离静电的包装物，将组件放置在里面。想象PLC里的元器件是一个娇嫩的婴儿，而那些静电会导致这个婴儿死亡，你就会更容易以正确的态度对待这个问题了。

         基座安装（RACK）时，在决定控制箱内各种控制组件及线槽位置后，要依照图纸所示尺寸，标定孔位，钻孔后将固定螺丝旋紧到基座牢固为止。在装上电源供应模块前，必须同时注意电源线上的接地端有无与金属机壳连结，若无则须接上。接地不好的话，会导致一系列的问题，静电、浪涌、外干扰，等等。由于不接地，往往PLC也能够工作，因此，不少经验不足的工程师就误以为接地不那么重要了。这就像登山的时候，没有系上保护缆绳一样，虽然你正常前进的时候，保护缆绳没有任何作用，但一旦你失足的时候，没有那根绳子，你的生命就完结了。PLC的接地，就相当于给PLC系上保护缆绳。

Sugino Selfeeder Mechatric Self-feeding Drill Package, # MSX-113S, Used WARRANTY

Sugino Selfeeder Drill Unit, # S26011, # ES5-4A-1307UC, WARRANTY

SUHNER Economaster Pneumatic Automatic Drill Unit w/ Motor, Tapping Head, Used

SUHNER Economaster Pneumatic Automatic Drill Unit w/ Motor, Used, WARRANTY

Sugino Newtric Selfeeder Drilling Unit, Model SN4U, 1/2 HP, w/ Multi Drill Head

CNC Drill Unit, 1/2 HP Drive Motor, 5.5" Quill Travel, DA20 Collet Holder, Used

Sugino Newtric Selfeeder Drilling Unit, Model SN5U, 1 HP, 1400 RPM, Used

1 HP Hypneumat Drilling Unit, DQ350EHB  P/L 6013-B, Used, Warranty

Sugino Selfeeder Mechatric Drill w/Multi Head, # MSX-113S, WARRANTY

Bellows-Locke Drilling Unit, Mod# F202-1301, 1/2 HP, 230/460V, 1/2" Chuck, Used

Electro-Mechano Precision Gear Head Drill Press, Mod 111W, 115V, 15,000 RPM Max.

Electro-Mechano Precision Gear Head Drill Press, Mod 113E, 115V, Used

Bellows-Locke Drilling Unit, Mod# 5E, 1/2 HP, 230/460V, 3/8" Chuck, Used

Sugino Selfeeder Mechatric Self-feeding Drill, MSX-113S, Used, WARRANTY

Sugino Selfeeder Mechatric Self-feeding Drill, # MSX-113S, WARRANTY

Bellows-Locke Drilling Unit, Mod# 5E, 1/2 HP, 230/460V, 3/8" Chuck NO PULLEYS

Schrader Bellows Pneumatic Drill Unit, # B20131423, Used, WARRANTY

Hypneumat M200EHB Air Feed / Electric Driven Drill Unit, 1/2 HP, Used, Warranty

Sugino Selfeeder Mechatric Self-feeding Drill MSX-124SE

Rockwell 21L 803C Pneumatic Self-Feed Drilling Unit, 2800 RPM, Used, Warranty

6"x18" Reid Hydraulic Surface Grinder, Mod# 618HYD, Chuck, Downfeed, Used

6" x 18" Boyar-Schultz Hydraulic Surface Grinder, Mod# 2A618, Used

Baldor Bench Grinder / Tool Sharpener, Cat# 8123WD, 3/4 HP, 3 Ph 230/460V Used 

Mazak Quick Turn 20 Universal CNC Turning Center Hydraulic Tailstock, Used,

NEW Riken Collet Chuck w/ Accessories, AD-40E, NIB, O-CHS-244, 7H003012

NEW Riken Collet Chuck, AD-40E, NIB, O-CHS-244, 7H003012

MicroCentric CB65-D Collet Chuck off Okuma LT25 CNC Center, Mfg'd: 1998

1995 Toyoda FA550 CNC Horizontal Machining Center, 10000 RPM, 2 - Pallets, Used

Stama MC 326 Milling Spindles, (2) HSK63 w/ Siemens Drives, Mfg'd: 2004,

LeBlond Makino MC-86 MC 86/ CNC Horizontal Machining Center Pallet, 1995, Used

Matsuura MC-600VDC 20 Position Tool Changer Assembly, Complete, Right Side, 1995

Matsuura MC-600VDC 20 Position Tool Changer Assembly, Complete, Left Side, 1995

Tsubakimoto Emerworm Gearbox, 60:1 Ratio, ED60GCV60LD, for Tool Changer 

Matsuura MC-600VDC BT40 Spindle Assembly, w/ Draw Bar Unit, Right Side, 1995

Matsuura MC-600VDC BT40 Spindle Assembly, w/ Draw Bar Unit, Left Side, 1995

Machine Pallet for Hitachi Seiki HC-400 Horizontal Machining Center 15.7"x15.7"

Tsugami CNC Machine Pallet for Machining Center, 17-5/8" x 17-5/8", Used

6" x 18" x 2-3/4" Hitachi Electro-Magnetic Chuck w/Controller, HL-618C, WARRANTY

6" x 18" x 3-1/4" Hitachi Electro-Magnetic Chuck w/Controller, HR-618C, USED

8" x 14" x 4-5/8" Walker Electro-Magnetic Univ. Tilting Chuck, Used, WARRANTY

6" x 18" x 3-13/16" Magna-Lock Electro-Magnetic Chuck, 115 VDC, Used

Setco 3500 RPM Milling Spindle w/ Fanuc Built In Drive Motor, Used,  WARRANTY

First (Bridgeport) Vertical Mill, 42" Table, 80-2760 RPM, R8 Taper, Used 

Hurco BMC 40M Milling Spindle Assembly, Cat 40 Spindle Taper, Used 

Mazak VQC 2050B Machining Center Milling Headstock, CAT 50 Spindle, Used

Setco 6000 RPM Reversible Milling Spindle, # 4604BY.22556, Used,  WARRANTY

EI Hagiwara CPU 8CB PC Board, C-8172-1030G, Used, WARRANTY

Shinko Motolock Power Draw Bar Unit, # M-3000S2, Used,  WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-162, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-63-X, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE 60X, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE300-l, SE300-1, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-138L, USED, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-171, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-170, Used, WARRANTY

Sharnoa Tiger IV CNC Control PC Board, SE 60K, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-170K, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-63K, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-171K, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-162, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE176L, USED, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-151K, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-138-x, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-148K, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-158K, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-151x, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE 136K, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-154x, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE-158x, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Main Rack Control Base Board, SE-62X, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE174L, Used, WARRANTY

Sharnoa Tiger IV (4) CNC Control PC Board, SE174 CS, Used, WARRANTY

CNC Control PC Board, SE 175, Used, WARRANTY