IC693MDL632處理器
可編程控制器系統的故障包括外部設備故障、系統故障、硬件故障和軟件故障。
此項研究指出:
①安裝與布線方面,可編程控制器應遠離大功率的可控硅裝置、高頻電焊機和大型的動力設備等干擾源;I/O線與控制線應分開走,并保持一定距離;在電纜溝內把動力線與控制線分別敷設在電纜溝的兩側,測溫電纜要采用屏蔽線,而且要接地良好。
②輸入端或輸出端接有感性負載元件時,應在兩端并聯續流二極管或阻容電路,以抑制電路斷開時產生的電弧對可編程控制器的影響;當井筒接近開關、光電開關等兩線式傳感器的漏電流比較大時,可能出現故障的輸入信號,可在輸入端并聯旁路電阻,以減少輸入電阻。
③可編程控制器應與其它設備分別使用自己的接地裝置,也可采用公用接地線,但禁用串聯接地方式,因為這種方式會在設備間產生電位差。
④提升機對控制系統有較高的可靠性要求,在可編程控制器出現故障的時候采用冷備系統,即主控可編程控制器和輔控可編程控制器應盡量一致,以滿足緊急運行時可投入使用。
⑤供電部分應考慮幾個因素:輸入電源的電壓在一定允許范圍之內變化;輸入交流電斷電時,應不破壞控制器的程序和數據;在控制系統不允許斷電的場合,要考慮供電電源的冗余;當外部設備電源斷電時,應不影響控制器的供電;要考慮到電源系統的抗干擾措施。他們采取了使用不間斷供電系統、雙路供電系統、隔離變壓器供電系統、單獨電源給每一個可編程控制器供電或選用高質量的直流電源等方案來提高控制系統可靠性
IC693MDL632處理器
R2X0N1S1B1T0A |
R2U1N1D0C0T0A |
R2X2N1D0B2T0A |
R2U2N1C1A1T1A |
R2X0N1S0B1T0A |
SSLKEY-GED |
SSLKEY |
KEY M5 |
IC758CSWA10PC128 |
IC760COW12CDA |
IC760COW15CDA |
IC760CSW12CDA |
IC760CSW15CDA |
IC760CSW19CDA |
IC760CSW24CDA |
IC756NSW07IM |
IC758RSWC24PCX512 |
IC758RSWC24PCX256 |
IC758RSWC24PCX128 |
IC758RSWC19PCX512 |
IC758RSWC19PCX256 |
IC758RSWC19PCX128 |
IC758RSWC15PCX512 |
IC758RSWC15PCX256 |
IC758RSWC15PCX128 |
IC758RSWC12PCX512 |
IC758RSWC12PCX256 |
IC758RSWC12PCX128 |
IC758RSWB24PCX512 |
IC758RSWB24PCX256 |
IC758RSWB24PCX128 |
IC758RSWB19PCX512 |
IC758RSWB19PCX256 |
IC758RSWB19PCX128 |
IC758RSWB15PCX512 |
IC758RSWB15PCX256 |
IC758RSWB15PCX128 |
IC758RSWB12PCX512 |
IC758RSWB12PCX256 |
IC758RSWB12PCX128 |
IC758ROWC15PCX512 |
IC758ROWC15PCX256 |
IC758ROWC15PCX128 |
IC758ROWC12PCX512 |
IC758ROWC12PCX256 |
IC758ROWC12PCX128 |
IC758ROWB15PCX512 |
IC758ROWB15PCX256 |
IC758ROWB15PCX128 |
IC758ROWB12PCX512 |
IC758ROWB12PCX256 |
IC758ROWB12PCX128 |
IC758CSWC24PCX512 |
IC758CSWC24PCX256 |
IC758CSWC24PCX128 |
IC758CSWC19PCX512 |
IC758CSWC19PCX256 |
IC758CSWC19PCX128 |
IC758CSWC15PCX512 |
IC758CSWC15PCX256 |
IC758CSWC15PCX128 |
IC758CSWC12PCX512 |
IC758CSWB19PCX128 |
IC758CSWB15PCX512 |
IC758CSWB15PCX256 |
IC758CSWB15PCX128 |
IC758CSWB12PCX512 |
IC758CSWB12PCX256 |
IC758CSWB12PCX128 |
IC758COWC15PCX512 |
IC758COWC15PCX256 |
IC758COWC15PCX128 |
IC758COWC12PCX512 |
IC758COWC12PCX256 |
IC758COWC12PCX128 |
IC758COWB15PCX512 |
IC758COWB15PCX256 |
IC758COWB15PCX128 |
IC758COWB12PCX512 |
IC758COWB12PCX256 |
IC758COWB12PCX128 |
IC758CSWC12PCX256 |
IC758CSWC12PCX128 |
IC758CSWB24PCX512 |
IC758CSWB24PCX256 |
IC758CSWB24PCX128 |
IC758CSWB19PCX512 |
IC758CSWB19PCX256 |
IC758RSWB24PC128 |
IC758RSWB19PC128 |
IC758RSWB15PC128 |
IC758RSWB12PC128 |
IC758RSWB10PC128 |
IC758RSWB07PC128 |
IC758RSWA24PC64 |
IC758RSWA24PC128 |
IC758RSWA19PC64 |
IC758RSWA19PC128 |
IC758RSWA15PC64 |
IC758RSWA15PC128 |
IC758RSWA12PC64 |
IC758RSWA12PC128 |
IC758RSWA10PC64 |
IC758RSWA10PC128 |
IC758RSWA10PC |
IC758RSWA07PC64 |
IC758RSWA07PC128 |
IC758RSWA07PC |
IC758ROWB15PC128 |
IC758ROWB12PC128 |
IC758ROWB10PC128 |
IC758ROWB07PC128 |
IC758ROWA15PC64 |
IC758ROWA15PC128 |
IC758ROWA12PC64 |
IC758ROWA12PC128 |
IC758ROWA10PC64 |
IC758ROWA10PC128 |
IC758ROWA10PC |
IC758ROWA07PC64 |
IC758ROWA07PC128 |
IC758ROWA07PC |
IC757RSW24WHMI |
IC757RSW19WHMI |
IC757RSW15WHMI |
IC757RSW12WHMI |
IC757RSW07WHMI |
IC757ROW15WHMI |
IC757ROW12WHMI |
IC757RSW10WHMI |
IC757ROW10WHMI |
IC757ROW07WHMI |
IC756RSW24IM |
IC756RSW19IM |
IC756RSW15IM |
IC756RSW10IM |
IC756RSW07IM |
IC756ROW15IM |
IC756RSW12IM |
IC756ROW12IM |
IC756ROW10IM |
IC756ROW07IM |
IC758COWB15PC128 |
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