WOODWARD 5466-041輸入輸出模塊
1.產(chǎn) 品 介 紹
品牌：WOODWARD
型號(hào)說(shuō)明：WOODWARD 5466-041輸入輸出模塊
優(yōu)勢(shì)：供應(yīng)進(jìn)口原裝正品，專業(yè)停產(chǎn)配件。
公司主營(yíng)特點(diǎn)：主營(yíng)產(chǎn)品各種模塊/卡件，控制器，觸摸屏，伺服驅(qū)動(dòng)器。
2.產(chǎn) 品 詳 情 資 料：
WOODWARD 5466-041的主要功能是作為PM865硬件和軟件執(zhí)行的監(jiān)視器，這兩個(gè)模塊一起構(gòu)成了一個(gè)符合IEC61508的SIL2標(biāo)準(zhǔn)的系統(tǒng)，由TüV認(rèn)證。SM810運(yùn)行SIL3認(rèn)證的操作系統(tǒng)，例如：?雙重和反相存儲(chǔ)器?內(nèi)部電壓雙重過(guò)電壓保護(hù)?兩個(gè)獨(dú)立的看門(mén)狗定時(shí)器振蕩器監(jiān)控?固件和數(shù)據(jù)存儲(chǔ)上的CRC SM811與SIL2的SM810類似，但也可以與PM865一起構(gòu)成符合IEC61508的SIL3的控制器，WOODWARD 5466-041。在具有S800高完整性模塊的高完整性系統(tǒng)中使用的ModuleBus電報(bào)使用長(zhǎng)幀的概念。長(zhǎng)幀是通過(guò)安全標(biāo)頭擴(kuò)展的ModuleBus電報(bào)，包括附加診斷數(shù)據(jù)和CRC32。發(fā)送至S800 I/O高完整性模塊的S800模塊總線報(bào)文使用來(lái)自PM865的數(shù)據(jù)和來(lái)自SM810/SM811的反相CRC32。I/O模塊檢查安全頭是否正確。通過(guò)ModuleBus從S800 I/O高完整性模塊接收的數(shù)據(jù)具有由SM810/SM811和PM865獨(dú)立驗(yàn)證的安全標(biāo)頭。安全標(biāo)頭中的任何CRC32或其他故障將導(dǎo)致重試傳輸，如果重復(fù)，則會(huì)導(dǎo)致故障S800 I/O高完整性模塊關(guān)閉。WOODWARD 5466-041
The main function of the SM810 is to act as a monitor for the HW and SW execution of PM865 and these two modules together are a SIL2 compliant system according to IEC61508, certified by WOODWARD 5466-041. The SM810 is running a SIL3 certified operating system and have a high degree of self-diagnostic including, for example: ? Double and inverted memory ? Double over voltage protection on internal voltages ? Two independent watchdog timersOscillator supervision ? CRC on firmware and data storage An SM811 operates like an SM810 for SIL2 but can also together with the PM865 form a controller compliant with SIL3 according to IEC61508, certified by TüV. The ModuleBus telegrams used in a High Integrity system with the S800 High Integrity modules use the concept of long frames. Long frames are ModuleBus telegrams that are extended with a safety header, comprising additional diagnostics data and CRC32. S800 ModuleBus telegrams sent to the S800 I/O High Integrity modules uses data from the PM865 and an inverted CRC32 from the SM810/SM811. The I/O module checks that the safety header is correct. Data received from the S800 I/O High Integrity modules over the ModuleBus have the safety header independently verified by both SM810/SM811 and PM865. Any CRC32 or other faults in the safety header will result in a retry transmission and, if repeated, a shutdown of the faulty S800 I/O High Integrity module.WOODWARD 5466-041
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