DS200UPSAG1AFD数字量扩展 

产品标题:PSD604单元可编程板卡

型号： PSD604

品牌：ABB

                                                                 产品详情资料：

现场接线：MDL654标签上的蓝色带显示MDL654是一个低压模块。连接到模块前部的两个24针插头（Fujitsu FCN–365P024–AU）。从连接器到现场设备的布线是通过电缆进行的，电缆的一端有一个匹配的母连接器，另一端有剥线和镀锡线。您可以购买一对预接线电缆，目录号为IC693CBL327和IC693CBL 328，也可以构建电缆。更多信息请参见附录B。安装此模块时，应遵循常规TTL接线惯例。为了抗噪声，连接到模块的I/O控制线的长度小于30米（信号衰减限制布线长度小于此值）。

过电流保护5.1 VDC输出电子限制为7安培。3.3 VDC输出限制为10安培。如果发生过载（包括短路），则会在内部检测到过载，并关闭电源。电源持续尝试重新启动，直到过载条件。输入线路中的内部保险丝作为备用。电源通常在保险丝熔断前关闭。保险丝还可防止内部电源故障。如果发生任何过热、过载或P/S故障，CPU故障表显示故障。如果电源保险丝熔断现场接线：IC695PSD040电源和接地连接电源和接地线连接到电源上的端子，则没有其他指示，如右图所示。每个端子接受一根AWG 14至AWG 22导线。警告：如果使用同一外部直流电源为系统中的两个或多个电源供电，则每个RX3i电源的连接极性相同。由此产生的电位差可能会伤害人员或损坏设备。此外，每个背板连接到公共系统接地。。

                         产品英文详情料:

Field Wiring: MDL654 The blue band on the label shows that MDL654 is a low-voltage module. Connections are made to two male 24–pin connectors (Fujitsu FCN–365P024–AU) on the front of the module. Wiring from the connectors to field devices is made through a cable having a mating female connector on one end and stripped and tinned wires on the other end. You can purchase a pair of pre–wired cables, catalog numbers IC693CBL327 and IC693CBL328 or build cables. See Appendix B for more information. Conventional TTL wiring practices should be followed when installing this module. For noise immunity, I/O control lines connected to the module must be less than 30 meters in length (signal attenuation limits wiring length to less than this maximum).

Overcurrent Protection The 5.1 VDC output is electronically limited to 7 Amps. The 3.3 VDC output is limited to 10 Amps. If an overload (including short circuits) occurs, it is sensed internally and the Power Supply shuts down. The Power Supply continually tries to restart until the overload condition is removed. An internal fuse in the input line is provided as a backup. The Power Supply usually shuts down before the fuse blows. The fuse also protects against internal supply faults. The CPU Fault Table shows a fault if any Overtemperature, Overload, or P/S Fault occurs. There is no additional indication if the Power Supply fuse blows Field Wiring: IC695PSD040 Power Source and Ground Connections The wires from the power source and ground connect to the terminals on the Power Supply as shown at right. Each terminal accepts one AWG 14 to AWG 22 wire. Warning If the same external DC power source is used to provide power to two or more power supplies in the system, connection polarity must be identical at each RX3i power supply. A resulting difference in potential can injure personnel or cause damage to equipment. Also, each backplane must be connected to a common system ground.

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