ABB 81EA02E GJR2366000R1000數(shù)字量控制板卡
1.產(chǎn) 品 資 料 介 紹：
中文資料：
ABB 81EA02E GJR2366000R1000除了滿足代碼要求外，電線顏色編碼使測(cè)試和故障排除更安全、更快、更容易。? 綠色或帶條紋的綠色-接地? 黑色-主交流? 紅色-ABB 81EA02E GJR2366000R1000二次交流? 藍(lán)色-直流? 白色-普通或中性? 黃色-輔助電源不受主斷路器控制。提醒維護(hù)人員，即使設(shè)備與主電源斷開(kāi)，也可能存在電源（來(lái)自外部電源）。
ABB 81EA02E GJR2366000R1000布線為了減少PLC布線之間的噪聲耦合，應(yīng)將電氣噪聲布線（如交流電源布線和離散輸出模塊布線）與低電平信號(hào)布線（如直流和模擬輸入模塊布線或通信電纜）分開(kāi)。ABB 81EA02E GJR2366000R1000在可行的情況下，將以下類型的接線單獨(dú)分組：ABB 81EA02E GJR2366000R1000? 交流電源接線。這包括PLC電源的交流輸入，以及控制柜中的其他交流設(shè)備。
? ABB 81EA02E GJR2366000R1000模擬輸入或輸出模塊接線。這應(yīng)該被屏蔽，以進(jìn)一步減少噪聲耦合。? 離散輸出模塊接線。這些通常會(huì)切換電感負(fù)載，ABB 81EA02E GJR2366000R1000這些負(fù)載在關(guān)閉時(shí)會(huì)產(chǎn)生噪聲尖峰。? 直流輸入模塊接線。盡管這些低電平輸入在內(nèi)部受到抑制，但應(yīng)通過(guò)觀察這些布線實(shí)踐來(lái)進(jìn)一步防止噪聲耦合。? 通信電纜。諸如Genius總線或串行電纜之類的布線應(yīng)遠(yuǎn)離產(chǎn)生噪音的布線。ABB 81EA02E GJR2366000R1000
英文資料：
Besides ABB 81EA02E GJR2366000R1000satisfying code requirements, wire color coding makes testing and troubleshooting safer, faster, and easier. ? Green or green with stripe- Ground ? Black - Primary ABB 81EA02E GJR2366000R1000AC ? Red - Secondary AC ? Blue - DC ? White - Common or neutral ? Yellow - Secondary power source not controlled by the main disconnect. Alerts maintenance personnel that there may be power present (from an external source) even if the equipment is disconnected from its main power source.ABB 81EA02E GJR2366000R1000
Wire Routing To reduce noise-coupling among ABB 81EA02E GJR2366000R1000 wires, electrically-noisy wiring such as AC power wiring and discrete output module wiring should be separated from low-level signal wiring such as DC and analog input module wiring or communications cables. Where practical, group separately the following types of wiring: ? AC power wiring. This includes the AC input to the PLC power supply, as well as other AC devices in the control cabinet.ABB 81EA02E GJR2366000R1000
? ABB 81EA02E GJR2366000R1000Analog Input or Output Module wiring. This should be shielded to further reduce noise coupling. ? Discrete Output Module wiring. These often switch inductive loads that produce noise spikes when switched off. ? DC Input Module wiring. Although suppressed internally, these low-level inputs should be further protected against noise coupling by observing these wiring practices. ? Communications Cables. Wiring such as Genius bus or serial cables should be kept away from noise-producing wiring.ABB 81EA02E GJR2366000R1000
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