GE IS200BICIH1ADB

咨詢熱線--17750626260

1） PLC的良好接地是正常運(yùn)行的前提。在設(shè)計(jì)時(shí)，PLC的接地應(yīng)與動(dòng)力設(shè)備的接地分開，采用專用接地；如不能分開接地時(shí)，應(yīng)采用共用接地；禁止采用共通接地方法。
2） PLC的接線包括輸入接線和輸出接線。輸入接線的長度不宜過長，一般不大于30m；在線路距離較長時(shí)，可采用中間繼電器進(jìn)行信號(hào)的轉(zhuǎn)換。輸入接線的COM端與輸出接線的COM端不能接在一起。輸入接線與輸出接線的電纜應(yīng)分開設(shè)置。必要時(shí)，可在現(xiàn)場分別設(shè)置接線箱。集成電路或晶體管設(shè)備的輸入信號(hào)和輸出信號(hào)的接線必須采用屏蔽電纜；屏蔽層的接地端應(yīng)為一點(diǎn)接地，接地點(diǎn)宜在控制器側(cè)。

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TOUGH GUN POWER PIN-LINCOLN 214-2 NIB
 
BILZ QUICK CHANGE TAPPING ADAPTER WES 1B 9/16" NNB
 
MARTIN TOOL WRENCH 1262 1 5/16
 
INTERMATIC FLEXI-GUARD RECEPTACLE COVER 156WP14235 NIB
 
STANLEY 1/2" DRIVE RIGHT-ANGLE REVERSING ELECTRONIC NUTRUNNER E40LRA2XXG-17
 
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1 3/64" TAPER LENGTH DRILL BIT
 
TITEX PLUS 3.6MM DRILL BIT A1611 *NEW*

PRECISION BRAND STEEL SHIM 6" X 100" .020MM GAUGE 16590 NIB
 
BROOKFIELD HA/HB SPINDLE SET
 
15/64" COLLET 5C
 
TECH-MOTIVE 1/2" DRIVE REVERSING IN-LINE ELECTRONIC NUTRUNNER 48156-A90
 
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