1756-OB16E 是一款 ControlLogix 分立输出模块

1756-OB16E 是一款 ControlLogix 分立输出模块

Allen-Bradley 1956-OB16E 是一款分立式输出模块，是 ControlLogix 可编程自动化控制器 （PLC） 平台的一部分。该模块专门是一个直流输出模块，输出电压范围为 10-31.2 VDC，标称值为 24VDC。它带有十六 （16） 个输出通道，分为两 （2） 个电子熔断组，每组八 （8） 个通道。该模块通常用于驱动额定电压为 24VDC 的设备，例如继电器线圈、螺线管驱动装置、指示灯、警报器和其他类似的电气负载。

1756-OB16E 是一个单插槽宽模块，可与任何 1756 ControlLogix 控制器兼容。它可以安装在任何 1756 ControlLogix 机架上，特别是 1756-A4;1756-A17;1756-A10;1756-A13 和 1756-A17。此外，它还可以用作本地 I/O 或分布式 I/O 组件。

1756-OB16E 提供每通道 1 A @ 60 °C （140 °F） 或每个模块 8 A @ 60 °C （140 °F） 的输出电流。它的浪涌电流额定值为 2 A，每点 10 毫秒，每 2 秒可重复一次 @ 0 °C （32 °F） @ 24V DC。此外，该模块的zui小负载电流为每通道 3 mA。

每组提供内置电子保险丝。每个输出通道的OFF至ON输出延迟时间zui大值为70 μs（标称值）/1 ms（zui大值），开断延迟时间为360 μs （标称值）/1ms（zui大值）。它在 5VDC 时从背板汲取电流为 250 mA，在 24VDC 时为 2 mA，而总背板功率要求为 1.32 瓦，zui大功耗为 4.1 W @ 60 °C （140 °F）。

1756-OB16E 模块的电压类别为 12 至 24 伏直流源电压，工作电压为 10 至 31.2 伏直流。其总背板功率为 1.32 瓦，在 5.1 伏时为 250 毫安，在 24 伏时为 2 毫安。它还具有每点zui大 1 毫安的关断状态漏电流和zui大 400 mV 直流电压（1 安培导通状态压降）。在60摄氏度时，每点的zui大电流为1安培，在60摄氏度时，每个模块的zui大电流为8安培。该模块已在 1350 伏交流电下进行了 2 秒的例行测试，其连续隔离电压为 250 伏。其zui小负载电流为每点 3 毫安，其典型浪涌电流为 2 安培，每点 10 秒，在 0 摄氏度下每 2 秒可重复一次。该模块在 60 摄氏度时的zui大功耗为 4.1 瓦，而其散热为 13.98 BTU/小时。它的输出延迟时间为 70 微秒（标称值）/zui大值 1 毫秒（从关到开），从开到关的标称值为 360 微秒/zui大值为 1 毫秒。其工作温度在 0 至 60 摄氏度之间，非工作温度在 -40 至 85 摄氏度之间。该模块还允许修改故障模式下的状态和编程模式下的状态。

1756-OB16E 是一款 ControlLogix 分立输出模块

The Allen-Bradley 1956-OB16E is a discrete output module that is part of the ControlLogix Programmable Automation Controller (PLC) platform. The module is specifically 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) electronic fuse groups, each group of eight (8) channels. The module is typically used to drive devices with a rated voltage of 24VDC, such as relay coils, solenoid drives, indicators, 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 mounted on any 1756 ControlLogix rack, especially the 1756-A4; 1756-A17; 1756-A10; 1756-A13 and 1756-A17. It can also be used as a local I/O or distributed I/O component.

The 1756-OB16E offers an output current of 1 A@ 60 °C (140 °F) per channel or 8 A@ 60 °C (140 °F) per module. It has A surge current rating of 2 A, 10 milliseconds per point, and can be repeated every 2 seconds @ 0 °C (32 °F) @ 24V DC. In addition, the module has a minimum load current of 3 mA per channel.

Each set provides built-in electronic fuses. The maximum OFF to ON output delay time for each output channel is 70 μs (nominal value) /1ms (maximum value), and the opening delay time is 360 μs (nominal value) /1ms (maximum value). It draws 250 mA of current from the backplane at 5VDC and 2 mA at 24VDC, while the total backplane power requirement is 1.32 watts and the maximum power consumption is 4.1 W @ 60 °C (140 °F).

The 1756-OB16E module has a voltage class of 12 to 24 volts DC source voltage and an operating voltage of 10 to 31.2 volts DC. Its total backplane power is 1.32 watts, 250 mah at 5.1 volts and 2 mah at 24 volts. It also has a maximum off state leakage current of 1 MA per point and a maximum DC voltage of 400 mV (1 amp on-state voltage drop). At 60 degrees Celsius, the maximum current per point is 1 amp, and at 60 degrees Celsius, the maximum current per module is 8 amps. The module has been routinely tested for 2 seconds at 1350 volts AC with a continuous isolation voltage of 250 volts. Its minimum load current is 3 mA per point, and its typical surge current is 2 amps per point for 10 seconds, which can be repeated every 2 seconds at 0 degrees Celsius. The module has a maximum power consumption of 4.1 watts at 60 degrees Celsius, while its heat dissipation is 13.98 BTU/ hour. It has an output delay time of 70 microseconds (nominal value)/a maximum of 1 millisecond (from off to on) and a nominal value of 360 microseconds/a maximum of 1 millisecond from on to off. Its operating temperature is between 0 and 60 degrees Celsius, and its non-operating temperature is between -40 and 85 degrees Celsius. The module also allows modification of the state in fault mode and the state in programming mode.