RELIANCE 57C330B驅(qū)動(dòng)電機(jī)
1.產(chǎn) 品 介 紹
品牌：RELIANCE
型號(hào)說(shuō)明：RELIANCE 57C330B驅(qū)動(dòng)電機(jī)
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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：
RELIANCE 57C330B注：GCSR允許VMEbus主機(jī)重置本地總線。此功能非常危險(xiǎn)，應(yīng)謹(jǐn)慎使用。本地復(fù)位功能是部分系統(tǒng)復(fù)位，而不是完全系統(tǒng)復(fù)位，如加電復(fù)位或SYSRESET*。RELIANCE 57C330B當(dāng)本地總線復(fù)位信號(hào)被斷言時(shí)，可以中止本地總線周期。VMEchip2連接到本地總線和VMEbus，如果VMEbus綁定了中止的周期，可能會(huì)導(dǎo)致不穩(wěn)定的操作。本地處理器和VMEbus主機(jī)之間的通信應(yīng)使用中斷或郵箱位置；重置不應(yīng)用于正常通信。只有當(dāng)本地處理器停止或本地總線掛起且重置是最后的手段時(shí)，才應(yīng)使用重置。當(dāng)控制器處于重置狀態(tài)時(shí)，將忽略對(duì)控制器的任何VMEbus訪問(wèn)。如果啟用了全局總線計(jì)時(shí)器，則會(huì)生成總線錯(cuò)誤。RELIANCE 57C330B
Note The GCSR allows a VMEbus master to reset the local bus. This feature is very dangerous and should be used with caution. The local reset feature is a partial system reset, not a complete system reset such as power-up reset or SYSRESET*.RELIANCE 57C330B When the local bus reset signal is asserted, a local bus cycle may be aborted. The VMEchip2 is connected to both the local bus and the VMEbus and if the aborted cycle is bound for the VMEbus, erratic operation may result. Communications between the local processor and a VMEbus master should use interrupts or mailbox locations; reset should not be used in normal communications. Reset should be used only when the local processor is halted or the local bus is hung and reset is the last resort. Any VMEbus access to the controller while it is in the reset state is ignored. If a global bus timer is enabled, a bus error is generated.RELIANCE 57C330B
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