Allen- Bradley 1956-OB16E是一个离散输出模块， 是ControlLogix可编程自动化控制器(PLC)平台的一 部分。该模块是一个DC输出模块， 输出电压范围为10-31.2 VDC,标称值为24VDC。它带有十六(1 6)个输出通道，分为两(2)个电子融合组，每组八(8)个通道。该模块通常用于驱动24VDC额定设备，如继电器线圈、螺线管驱动设备、指示灯 、警报器和其他类似的电气负载。1756-OB16E是一个单槽宽模块， 可与任何1756 ControlLogix控制器兼容使用。它可以安装到任何1756 ControlLogix机架上,特别是1756-A4;1756-A17; 1756年，A10; 1756-A13和1756-A17。 此外，它还可以作为本地/O或分布式/O组件。1756-0B16E提供每个通道60°C(140°F)时1 A的输出电流，或每个模块60°C(140°F)时8 A的输出电流。
1756-OB16E
它的浪涌电流额定值为2A,每点10 ms,在0°C(32°F)24伏DC下每2秒重复-次。此外，模块的最小负载电流为每通道3 mA。每组提供内置电子熔断。每个输出通道的关到开输出延迟时间最大为70 s标称值/1 ms,开到关延迟时间最大为360 s标称值/1 ms。它从背板吸取的电流在5v直流时为250 mA,在24v直流时为2 mA,而背板的总功耗要求为1.32瓦，最大功耗为4.1W(60°C(140°f))。1756-OB16E模块的电压类别为12至24伏DC电源电压，工作电压为10至31.2伏DC。其底板总功率为1 .32瓦，5.1伏时的电流消耗为250毫安, 24伏时为2毫安。它还具有点1毫安的最大关断状态漏电流，以及在1安培导通状态压降下400 mV的最大DC电压。
1756-OB16E
它的每点最大电流在60摄氏度时为1安培，每个模块的最大电流在60摄氏度时为8安培。该模块已在1350伏交流电下进行了2秒钟的常规测试，其持续隔离电压为250伏。其最小负载电流为每点3安，典型浪涌电流为每点10秒2安培，在0摄氏度下每2秒重复一次。 该模块在60摄氏度时的最大功耗为4.1瓦，而其热耗散为13.98BTU/小时。从关到开的输出延迟时间标称值为70微秒/最大值为1毫秒，从开到关的输出延迟时间标称值为360微秒/最大值为1毫秒。其工作温度在0到60摄氏度之间，非工作温度在-40到85摄氏度之间。该模块还允许修改故障模式和程序模式下的状态。
1756-OB16E
Allen Bradley 1956 OB16E is a discrete output module that is part of the ControlLogix Programmable Automation Controller (PLC) platform. This module is a DC output module with an output voltage range of 10-31.2 VDC and a nominal value of 24VDC. It has sixteen (16) output channels, divided into two (2) electron fusion groups, each with eight (8) channels. This module is typically used to drive 24VDC rated devices, such as relay coils, solenoid drive devices, indicator lights, alarms, and other similar electrical loads. The 1756-OB16E is a single slot wide module that is compatible with any 1756 ControlLogix controller. It can be installed on any 1756 ControlLogix rack, especially the 1756-A4; 1756-A17; 1756, A10; 1756-A13 and 1756-A17. In addition, it can also serve as a local/O or distributed/O component. 1756-0B16E provides an output current of 1 A for each channel at 60 ° C (140 ° F), or 8 A for each module at 60 ° C (140 ° F).
1756-OB16E
Its surge current rating is 2A, 10 ms per point, repeated every 2 seconds at 24 V DC at 0 ° C (32 ° F). In addition, the minimum load current of the module is 3 mA per channel. Each group provides built-in electronic fuses. The maximum off to on output delay time for each output channel is 70 s nominal value/1 ms, and the maximum on to off delay time is 360 s nominal value/1 ms. The current it draws from the backplane is 250 mA at 5V DC and 2 mA at 24V DC, with a total power consumption requirement of 1.32 watts and a maximum power consumption of 4.1W (60 ° C (140 ° f)). The voltage category of the 1756-OB16E module is 12 to 24 V DC power supply voltage, and the operating voltage is 10 to 31.2 V DC. The total power of its backplane is 1.32 watts, with a current consumption of 250 mA at 5.1 volts and 2 mA at 24 volts. It also has a maximum off state leakage current of 1 milliampere and a maximum DC voltage of 400 mV under a 1 ampere on state voltage drop.
1756-OB16E
Its maximum current at each point is 1 ampere at 60 degrees Celsius, and the maximum current for each module is 8 amperes at 60 degrees Celsius. The module has undergone routine testing at 1350 volts AC for 2 seconds, with a continuous isolation voltage of 250 volts. The minimum load current is 3 amperes per point, and the typical surge current is 2 amperes per 10 seconds per point, repeated every 2 seconds at 0 degrees Celsius. The maximum power consumption of this module at 60 degrees Celsius is 4.1 watts, while its thermal dissipation is 13.98 BTU/hour. The nominal output delay time from off to on is 70 microseconds/maximum value is 1 millisecond, and the nominal output delay time from on to off is 360 microseconds/maximum value is 1 millisecond. Its operating temperature is between 0 and 60 degrees Celsius, and its non operating temperature is between -40 and 85 degrees Celsius. This module also allows modification of the status in fault mode and program mode.
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