1746-OV8 数字I/O模块 输出模块

概述：

Allen-Bradley 1746-OV8是SLC 500系统的数字I/O模块。它是一种电流下沉的24V直流输出模块，具有广泛的应用。1746-OV8模块的工作电压为10-50V DC (sink)和8个输出，每公共点8个。它的背板电流消耗在5V DC时为135mA，在24V DC时为0mA。它的最大信号延迟在导通状态下为0.1ms，在关断状态下为1ms。1746-OV8在30°C时每个输出和每个模块的连续电流分别为1A和8A，在60°C时分别为0.5A和4A。最大断态漏电流为1mA，最大散热功率为6.9W。它在1A和3A的最大导通电压降为1.2V，每个点的最大浪涌电流为10ms。1746-OV8还配备了彩色编码的可移动终端块。接线时，可使用预接线线缆和1492接口模块。1746-OV8模块在端子处具有自升压板，最多可接受两根14awg (2 mm2)电线。为了显示I/O点的状态，前面板上有LED指示灯。1746-OV8适用于清洁干燥的工业环境，工作温度为0 - 60°C，工作冲击为30g。

Allen-Bradley 1746-OV8是一个离散输出模块。该模块是SLC 500产品系列的一部分。它具有8个下沉输出通道，在10-50伏直流电压范围内工作。

1746-OV8有一组输出。它的背板电流消耗为0.135安培@ 5伏直流，当与电阻负载一起使用时，开关转换的单个信号延迟为0.1毫秒，开关转换为1.0毫秒。最大断态泄漏电流为1ma，最小负载电流为1ma。

1746-OV8每点的连续输出电流为1.0安培@ 30°C(86°F)或0.50安培@ 60°C(140°F)，而集体连续输出电流(每个模块)为8.0安培@ 30°C(86°F)或4.0安培@ 60°C(140°F)。每个通道的浪涌电流为3.0安培，持续10毫秒。

1746-OV8占用SLC 500机箱单槽位。该模块支持安装到分布式I/O站、扩展机架或本地模块。

该模块的安装实例数量没有实际限制。用户可根据需要使用此模块以满足应用要求。实例的数量仅受处理器或嵌入式内存所支持的I/O的限制。此外，机架和可用插槽的数量也可能限制安装实例的数量。

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1746-OV8 数字I/O模块 输出模块

Allen-Bradley 1746-OV8 is a digital I/O module for the SLC 500 system. It is a 24V DC output module with current sinking and has a wide range of applications. The 1746-OV8 module has an operating voltage of 10-50V DC (sink) and 8 outputs, 8 per common point. Its backplane current consumption is 135mA at 5V DC and 0mA at 24V DC. Its maximum signal delay is 0.1ms in the on state and 1ms in the off state. The 1746-OV8 has continuous currents of 1A and 8A per output and module at 30°C and 0.5A and 4A at 60°C, respectively. The maximum off-state leakage current is 1mA, and the maximum heat dissipation power is 6.9W. It has a maximum on-voltage drop of 1.2V at 1A and 3A and a maximum inrush current of 10ms at each point. The 1746-OV8 is also equipped with color-coded removable terminal blocks. Pre-wired cables and 1492 interface modules can be used to connect cables. The 1746-OV8 module has a jack-up clamp at the terminal and accepts up to two 14awg (2 mm2) wires. In order to display the status of I/O points, there are LED indicators on the front panel. The 1746-OV8 is suitable for clean and dry industrial environments with an operating temperature of 0-60 °C and a working impact of 30g.

Allen-Bradley 1746-OV8 is a discrete output module. The module is part of the SLC 500 product family. It has 8 sinking output channels and operates in the 10-50 VDC voltage range.

1746-OV8 has a set of outputs. It has a backplane current consumption of 0.135 amps @ 5 volts DC, and when used with resistic loads, the single signal delay of switching is 0.1 ms and switching is 1.0 ms. The maximum off-state leakage current is 1ma, and the minimum load current is 1ma.

The 1746-OV8 has a continuous output current of 1.0 amps @ 30°C(86°F) or 0.50 amps @ 60°C(140°F) per point, while the collective continuous output current (per module) is 8.0 amps @ 30°C(86°F) or 4.0 amps @ 60°C(140°F). The surge current in each channel is 3.0 amps for 10 milliseconds.

The 1746-OV8 occupies a single slot in the SLC 500 chassis. The module supports installation to distributed I/O stations, extension racks, or local modules.

There is no practical limit to the number of installed instances of this module. Users can use this module as needed to meet application requirements. The number of instances is limited only by the I/O supported by the processor or embedded memory. In addition, the number of racks and available slots may also limit the number of installed instances.

1746-OV8 数字I/O模块 输出模块

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