NI PXIE-6544数字控制器
品牌：NI
型号：NI PXIE-6544
产品说明：数字控制器
NI PXIE-6544数字控制器中文资料：
NI PXIE-6544数字控制器BATT如果内存备用电池电压过低，无法在断电状态下维持内存，底部红色LED（标记为BATT）将亮起；否则它将保持关闭状态。如果此指示灯亮起，则必须在从机架上卸下电源之前更换锂电池，否则可能会丢失PLC内存。输入过电压保护装置此信息适用于除IC693PWR322和IC693PWR 328之外的所有90-30系列电源。NI PXIE-6544该电源的过电压保护装置内部连接到用户接线板上的引脚4。该针脚通常通过出厂时安装的跨接导线与机架接地（针脚3）相连。如果不需要过电压保护或在上游提供过电压保护，可以通过从针脚3和4上拆下跨接带来禁用此功能。如果要对该电源进行高压测试，则必须在测试过程中通过移除端子排跳线带来禁用过电压保护。测试后，通过重新安装带重新启用过电压保护。NI PXIE-6544
英文资料
BATT The bottom red LED, labeled BATT, will be ON if the memory backup battery voltage is too low to maintain the memory under a loss of power condition; otherwise it remains OFF. If this LED is ON, the Lithium battery must be replaced before removing power from the rack, or PLC memory may be lost. Input Overvoltage Protection Devices This information applies to all Series 90-30 power supplies except IC693PWR322 and IC693PWR328. The overvoltage protection devices for this power supply are connected internally to pin 4 on the user terminal strip. This pin is normally connected to frame ground (pin 3) with the supplied jumper strap which is installed at the factory. If overvoltage protection is not required or is supplied upstream, this feature can be disabled by removing the jumper strap from pins 3 and 4. If you want to Hi-pot test this supply, overvoltage protection must be disabled during the test by removing the terminal strip jumper strap. Re-enable overvoltage protection after testing by reinstalling the strap.NI PXIE-6544
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