BC810K01模擬量電子模塊
MPC4前面板上的LED指示燈
指示是否發(fā)生了處理或硬件錯(cuò)誤。六個(gè)附加LED（每個(gè)輸入通道一個(gè)）指示OK System是否檢測(cè)到故障以及通道上是否發(fā)生報(bào)警。MPC4卡有三種版本：“標(biāo)準(zhǔn)”版本、“獨(dú)立電路”版本和“安全”（SIL）版本，所有這些都使用IOC4T輸入/輸出卡作為卡對(duì)?！盡PC4的標(biāo)準(zhǔn)和安全（SIL）版本MPC4卡的“標(biāo)準(zhǔn)”版本和“安全”（SIL。它有一個(gè)與VME兼容的從屬接口，可通過(guò)RS-232（在卡的前面板上）或VME進(jìn)行完全軟件配置。“安全”MPC4卡也稱為MPC4 SIL，其開發(fā)目的是允許更廣泛的安裝選項(xiàng)。具體來(lái)說(shuō)，VM600機(jī)架還包含狀態(tài)監(jiān)測(cè)卡（如CMC16和XMx16）和中繼卡（如IRC4和RLC16）。為了對(duì)這些配置進(jìn)行安全認(rèn)證，有必要確?！鞍踩盡PC4與VM600機(jī)架中的其他卡隔離，以便其配置不會(huì)被無(wú)意修改。因此，MPC4的“安全”（SIL）版本不包括與VME兼容的從機(jī)接口，也不提供“標(biāo)準(zhǔn)”MPC4卡的所有信號(hào)處理功能（見第6頁(yè)的“規(guī)范-“標(biāo)準(zhǔn)”和“獨(dú)立電路”MPC4s卡）。
MPS和CMS的分離
VM600機(jī)架、機(jī)械保護(hù)卡、狀態(tài)監(jiān)測(cè)卡和相關(guān)軟件的設(shè)計(jì)符合API 670標(biāo)準(zhǔn)的機(jī)械保護(hù)系統(tǒng)（MPS）和狀態(tài)監(jiān)測(cè)系統(tǒng)（CMS）“隔離”要求，這確保了MPS的功能不依賴于CMS的操作，也不會(huì)因CMS的操作而受到任何損害。因此，盡管機(jī)械保護(hù)卡和狀態(tài)監(jiān)測(cè)卡可以輕松共享來(lái)自測(cè)量鏈的傳感器信號(hào)，但MPC4/IOC4T卡對(duì)不與VM600機(jī)架中的XMx16/XIO16T狀態(tài)監(jiān)測(cè)卡對(duì)共享任何通信總線，和MPC4/IOC4T卡對(duì)是使用VM600 MPSx軟件配置和操作的（而XMx16/XIO16T卡對(duì)則是使用VibroSight?軟件配置和運(yùn)行的）。應(yīng)用信息MPC4卡非常適合廣泛的工業(yè)應(yīng)用中的機(jī)械保護(hù)。有關(guān)使用MPC4卡的更多信息，請(qǐng)參閱VM600功能安全手冊(cè)MAVM600-FS/E。對(duì)于具體應(yīng)用，請(qǐng)聯(lián)系您最近的美捷特傳感系統(tǒng)代表。對(duì)于速度/相位參考輸入通道，當(dāng)選擇電流作為信號(hào)傳輸模式時(shí)，可能更難達(dá)到所需的最小輸入電壓。因此，200? MPC4卡用于電流調(diào)制輸入信號(hào)的電流-電壓轉(zhuǎn)換電阻器應(yīng)在任何系統(tǒng)設(shè)計(jì)計(jì)算中使用，以確?？煽繖z測(cè)。
An LED indicator on the MPC4 front panel
indicates whether a processing or hardware error has occurred. Six additional LEDs (one per input channel) indicate whether the OK System has detected a fault and whether an alarm has occurred on the channel. The MPC4 card is available in three versions: a ‘standard’ version, a ‘separate circuits’ version and a ‘safety’ (SIL) version, all of which function as a card pair using an IOC4T input/output card. ‘Standard’ and ‘safety’ (SIL) versions of the MPC4 Both the ‘standard’ version and the ‘safety’ (SIL) version of the MPC4 card are certified to IEC 61508 and ISO 13849. The ‘standard’ MPC4 card is the original version, intended for safety systems using a VM600 rack with a limited range of cards, that is, ‘standard’ MPC4 / IOC4T card pairs and RLC16 relay cards. It has a VME-compatible slave interface and is fully software configurable via RS-232 (on the front panel of the card) or VME. The ‘safety’ MPC4 card, also known as the MPC4 SIL, was developed to permit a wider range of installation options. Specifically, VM600 racks that also contain condition monitoring cards (such as the CMC16 and XMx16) and relay cards (such as the IRC4 and RLC16). To safety certify these configurations, it was necessary to ensure that the ‘safety’ MPC4 is isolated from the other cards in a VM600 rack, so that there is no possibility of its configuration being inadvertently modified.Therefore, the ‘safety’ (SIL) version of the MPC4 does not include a VME-compatible slave interface, nor does it provide all of the signal processing capabilities of the ‘standard’ MPC4 card (see Specifications – ‘standard’ and ‘separate circuits’ MPC4 cards only on page 6).
Segregation of MPS and CMS
The VM600 rack, machinery protection cards, condition monitoring cards and associated software are designed for compliance with the machinery protection system (MPS) and condition monitoring system (CMS) “segregation” requirements of the API 670 standard, which ensures that the functionality of the MPS does not depend on and is not compromised in any way by the operation of the CMS. So although machinery protection cards and condition monitoring cards can easily share sensor signals from measurement chains, MPC4/IOC4T card pairs do not share any communication buses with XMx16/XIO16T condition monitoring card pairs in a VM600 rack, and MPC4/IOC4T card pairs are configured and operated using the VM600 MPSx software (while XMx16/ XIO16T card pairs are configured and operated using the VibroSight? software).Applications information The MPC4 cards are highly suitable for machinery protection in a wide range of industrial applications. For further information on the use of MPC4 cards, refer to the VM600 Functional Safety Manual MAVM600-FS/E. For specific applications, contact your nearest Meggitt Sensing Systems representative.For speed/phase reference input channels, it can be more difficult to achieve the minimum input voltage required when current is selected as the signal transmission mode. Therefore, the 200 ? current-to-voltage conversion resistor used by the MPC4 card for current-modulated input signals should be used in any system design calculations in order to ensure reliable detection.
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