产品内容介绍
HONEYWELL ACX631电源模块
过压停机如果操作条件导致输出电压过高，则会自动停机。发生过电压关机后，必须中断输入电源以重新建立输出。停机原因消除后，停机电路在输入电源断开后不到30秒内复位。第2部分，2区应用电源作为恒压电源运行，具有规范中列出的最大额定负载。如果在额定25°C负载下，负载电流试图超过最大电流的110%，输出电压开始向零下降，从而限制输送到负载的电流。过载消除后，恢复正常运行。外部现场设备的功率标准200系列子系统中所需的实际功率取决于正在通电的FBM/现场总线通信模块（FCM）/现场控制处理器（FCP）的数量、使用的终端组件的类型，以及单个现场设备是使用内部电源还是外部电源。FPS400-24还可用作现场电源，为外部现场设备供电。然而，为了系统的完整性，现场设备和DIN导轨基板不应使用相同的FPS400-24供电。包装坚固的衬垫设计有助于减少维护，因为外壳是密封的，没有风扇磨损。密封垫圈设计还为腐蚀性环境提供保护，如硫化氢和氯，如在许多过程控制装置中发现的。电源有一个DIN导轨安装支架，用于安装在水平或垂直DIN导轨上。支架可以旋转以进行水平或垂直DIN导轨安装，也可以拆卸以进行电源的壁装
功能规格
最大额定输出电压：工厂设置为24.0 V DC输入规格120/240 V AC或125 V DC电源（P0922YU）•输入电压范围：85至265 V AC或108至145 V DC，标称125 V DC（见第8页表1和第9页表3）•输入频率范围：47至63 Hz•输入电流：85 V AC输入时为5.6 A（最大有效值），230 V AC输入为2.5 A（最大无效值）•效率（最大功率，10A，24V）：85 V交流输入时为77%，120 V交流输入为85%，典型值92%，230 V交流输入，典型值90%，240 V交流输入•浪涌电流：20 A，110 V AC（冷启动峰值）40 A，220 V AC（热启动峰值）•输入功率：120 V AC时453 W，230 V AC时50/60 Hz 439 W，230 V AC时60 Hz 441 W，50 Hz 24 V DC电源（P0922YC）•输入电压范围：18至35 V DC，24 V DC标称•输入电流：24 V DC输入时为19.5 A•效率（最大输出功率时）：24 V直流输入时为85%•输入功率：468 W，24 V直流输出时为典型的低电压和正常工作电压输出视觉LED指示器包含在电源上。为了指示没有24 V DC输出，C型继电器输出可用于激活外部供电报警。简化布线电源设计为与特殊电缆（单独订购）一起使用，以便于安装并改善美国和加拿大的人身安全保险商实验室（UL）：UL/UL-C被列为适用于美国I级2区AEx nC IIC和I级2类A、B、C、D组危险位置，温度代码T3。这些模块也被UL和UL-C列为相关设备，用于在连接到《标准和紧凑型200系列子系统用户指南》（B0400FA）中所述的指定Foxboro DCS处理器模块时，为I级2类A-D组危险场所提供非易燃通信电路欧洲低压指令2006/95/EC和爆炸性环境（ATEX）指令94/9/EC：TUV认证为Ex nA IIC T3，用于CENELEC认证的2区外壳，认证为为2区IIC组提供非易燃现场电路的相关设备，如《标准和紧凑型200系列子系统用户指南》（B0400FA）所述，当连接到指定的Foxboro DCS处理器模块时，可能存在爆炸性环境。
Overvoltage Shutdown
Automatic shutdown occurs if operating conditions cause excessive output voltage. After the occurrence of an overvoltage shutdown, input power must be interrupted to re-establish the output. After the cause of the shutdown has been removed, the shutdown circuit resets in less than 30 seconds after the removal of input power. Division 2, Zone 2 Application The power supply operates as a constant voltage source with maximum load ratings as listed in the specifications. If load current attempts to exceed greater than 110% of maximum current at the rated 25°C load, the output voltage begins to decrease toward zero, thereby limiting the current delivered to the load. Upon removal of overload, normal operation resumes. Power for External Field Devices The actual amount of power required in a standard 200 Series subsystem depends on the number of FBMs/Fieldbus Communication Modules (FCMs)/Field Control Processors (FCPs) being powered, the types of termination assemblies used, and whether internal or external powering is used for the individual field device(s). The FPS400-24 can also be used as a field power supply to power external field devices. However, for system integrity field devices and DIN rail baseplates should not be powered from the same FPS400-24. Packaging The robust gasketed design lends itself to minimal maintenance because the housing is sealed and there are no fans to wear out. The sealed gasketed design also provides protection for corrosive atmospheres such as hydrogen sulfides and chlorine, as found in many process control plants. The power supply has a DIN rail mounting bracket for mounting on a horizontal or vertical DIN rail. The bracket can be rotated for horizontal or vertical DIN rail mounting or removed for wall mounting of the power supply
Functional Specifications
Maximum Ratings Output Voltage: Factory set at 24.0 V DC Input Specifications 120/240 V AC or 125 V DC Power Supply (P0922YU) • Input Voltage Range: 85 to 265 V AC or 108 to 145 V DC, 125 V DC nominal (See Table 1, page 8 and Table 3, page 9) • Input Frequency Range: 47 to 63 Hz • Input Current: 5.6 A at 85 V AC input (RMS maximum) 2.5 A at 230 V AC input (RMS maximum) • Efficiency (at Maximum Power, 10A, 24V): 77% minimum at 85 V AC input 85% typical at 120 V AC input 92% typical at 230 V AC input 90% typical at 240 V AC input • Inrush Current: 20 A, at 110 V AC (peak at cold start) 40 A, at 220 V ac (peak at cold start) • Input Power: 453 W typical at 120 V AC, 50/60 Hz 439 W typical at 230 V AC, 60 Hz 441 W typical at 230 V AC, 50 Hz 24 V DC Power Supply (P0922YC) • Input Voltage Range: 18 to 35 V DC, 24 V DC nominal • Input Current: 19.5 A at 24 V DC input • Efficiency (at Maximum Output Power): 85% typical at 24 V DC input • Input Power: 468 W at 24 V DC input typical Visual LED indicators for undervoltage and normal operating voltage output are contained on the power supplies. To indicate the absence of 24 V DC output, a form C relay output is available to activate an externally powered alarm. Simplified Wiring The power supply is designed to be used with special cables (ordered separately) to make installation easy and improve personal safety Underwriters Laboratories (UL) for U.S. and Canada: UL/UL-C listed as suitable for USA Class I, Zone 2, AEx nC IIC, and Class I, Division 2 Groups A, B, C, D Hazardous Locations, temperature code T3. These modules are also UL and UL-C listed as associated apparatus for supplying non-incendive communication circuits for Class I, Division 2, Groups A-D hazardous locations when connected to specified Foxboro DCS processor modules as described in the Standard and Compact 200 Series Subsystem User’s Guide (B0400FA). • European Low Voltage Directive 2006/95/EC and Explosive Atmospheres (ATEX) Directive 94/9/EC: TUV certified as Ex nA IIC T3 for use in CENELEC certified Zone 2 enclosure certified as associated apparatus for supplying non-incendive field circuits for Zone 2, Group IIC, potentially explosive atmospheres when connected to specified Foxboro DCS processor modules as described in the Standard and Compact 200 Series Subsystem User’s Guide (B0400FA).
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