GE VMIACC-0577数字量控制板卡
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通信端口和接口第241页表49中描述了通信端口和界面的技术数据。电池使用内部或外部电池单元（SB821）备份内存内容。备份时间见第257页表59。重量•1200克（2.6磅）（包装PM864K01）。•2800克（6.1磅）（包装PM864K02）。尺寸W 119 x H 186 x D 135毫米（4.7 x 7.3 x 5.3英寸）宽度沿DIN导轨测量，距墙深度和垂直高度，包括锁紧机构。如果在CPU正常通电后安装了电池，允许激活内存备份功能，则第257页表59中的数字有效。表59。PM864和PM864A电源的备份时间PM864 PM864A内部电池最小36小时最小235小时外部电池SB821最小3周最小24周外部电池SB822注意：空电池的充电时间约为7小时。充满电时至少85小时充满电时最短3周显示电池内部数据。有关外部电池数据，请参阅第392页SB821外部电池–AC 800M内存备份和第394页SB822可充电外部电池–AC800M内存备用。电磁兼容性和电气安全PM864/TP830符合EMC指令89/336/EEC中规定的要求。有关电气安全的更多信息，请参阅附录D，指令注意事项。
Communication Ports and Interfaces Technical data for communication ports and interfaces is described in Table 49 on page 241. Battery The memory content is backed up with either an internal or external battery unit (SB821). For back-up time see e Table 59 on page 257. Weight • 1200 g (2.6 lb) (package PM864K01). • 2800 g (6.1 lb) (package PM864K02). Dimensions W 119 x H 186 x D 135 mm (4.7 x 7.3 x 5.3 in) Width is measured along the DIN-rail, depth from the wall, and height vertically, including lock mechanism. The figures in Table 59 on page 257 are valid if the batteries have been installed after a normal CPU power-up, allowing for the memory back-up function to be activated. Table 59. Back-up times for PM864 and PM864A Source Back-up time PM864 PM864A Internal battery Minimum 36 hours Minimum 235 hours External battery SB821 Minimum 3 weeks Minimum 24 weeks External battery SB822 Note: Recharge time for an empty battery is approximately 7 hours. Minimum 85 hours when fully charged Minimum 3 weeks when fully charged hows internal battery data. For external battery data, see SB821 External Battery – AC 800M Memory Back-up on page 392 and SB822 Rechargeable External Battery – AC 800M Memory Back-up on page 394. Electro-magnetic Compatibility and Electrical Safety PM864/TP830 meets the requirements specified in EMC Directive 89/336/EEC. For more information regarding electrical safety, see Appendix D, Directive Considerations.
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