1746-N2 高密度低电流直流输出模块 兼容安装在 1746 机箱的任何可用插槽中

基本细节:1746-N2 高密度低电流直流输出模块 兼容安装在 1746 机箱的任何可用插槽中

1746-N2 是 Allen-Bradley 的 32 通道数字输出模块。它是一款高密度低电流直流输出模块，兼容安装在 1746 机箱的任何可用插槽中，插槽 0 除外。它提供的电压输出为 24V DC。1746-OB32 有 32 个输出，每个公共点 16 个点，其源电流工作电压范围在 5 至 50V DC 之间。1746-OB32 模块在 5V DC 时吸收 0.19A 的背板电流，并提供在 1500V AC 下测试的输出电路隔离 1 分钟。它在ON模式下的最大信号延迟时间为0.1ms，在OFF模式下的最大信号延迟时间为1ms，在OFF状态下的最大电路漏电流为1mA。
1746-N2在 0-60 摄氏度时每个输出点的标称电流为 0.25A，每个输出通道的最小电流负载为 1mA。该模块的平均标称电流为 8A，每个公共点的平均电流为 2A。在ON状态下，电路中的最大电压损耗为1.2V，电流为0.5A，每个输出点的浪涌为1.0A，持续1ms，每2s可重复一次，每点功耗为0.172W，模块总散热为6.45W。1746-OB32 的工作温度范围在 0 到 60 度之间。摄氏（32 和 140 华氏度）在 5-95% 的非冷凝湿度下，在 10-200Hz 时分别可承受 30G 和 2.5G 的工作冲击和振动。它拥有 C-UL 和 UL 列名的工业控制设备，适用于 I 类 2 区 A、B、C、D 组危险场所认证，并符合 NEMA 标准 ICS 2-230 抗噪性。
1746-N2 是一款三十二 （32） 通道离散输入模块，由 Allen-Bradley 为 SLC 500 控制器平台制造。
该模块主要用于为分立设备（如指示灯、蜂鸣器、喇叭、警报器）和驱动设备（如螺线管、电机和其他设备）通电或驱动。该模块的输出电压为 24VDC，如果它们在 5-30VDC 的工作电压范围内，则可以直接连接到上述设备。如果输出设备与直流输出不兼容，特别是如果它在交流电压下工作，则该模块仍可以通过实现插入功能来使用。通过插接，带有 24VDC 线圈的继电器是连接到该模块的负载。常开 （N.O） 或常闭 （N.C.） 触点连接到交流电压tage.在存在电气噪声的旧有线系统中，插孔也可用作外部模块隔离。这可以保护模块免受外部损坏或由于未记录的维修和修改导致的旧系统接地和接线不良而导致的不良行为。
该模块随附一个可拆卸接线端子 （RTB）、八进制门标签、一个专用于每个通道的 32 个 LED 灯和一个显示部件号的颜色编码模块栏。艾伦-布拉德利制造了 1746-N3 或 1492 布线系统。这些连接器或接线系统与此模块兼容，以确保正确端接和使用时足够的电线尺寸 这也防止了预组装的不当接线，并确保模块门能够覆盖端子接线。也可以使用其他电线，但是，大尺寸的电线会过度占用前面板，这将使即使关闭模块门也难以进行故障排除。

1746-N2

The 1746-N2 is a 32-channel digital output module for Allen-Bradley. It is a high density low current DC output module compatible for installation in any available slot in the 1746 chassis except slot 0. It provides a voltage output of 24V DC. The 1746-OB32 has 32 outputs, 16 points per common point, and its source current operates at a voltage range between 5 and 50V DC. The 1746-OB32 module absorbs 0.19A backplane current at 5V DC and provides isolation of the output circuit tested at 1500V AC for 1 minute. Its maximum signal delay time in ON mode is 0.1ms, the maximum signal delay time in OFF mode is 1ms, and the maximum circuit leakage current in OFF state is 1mA.
1746-N2 has a nominal current of 0.25A per output point at 0-60 degrees Celsius and a minimum current load of 1mA per output channel. The module has an average nominal current of 8A and an average current of 2A at each common point. In the ON state, the maximum voltage loss in the circuit is 1.2V, the current is 0.5A, the surge at each output point is 1.0A, lasts for 1ms, can be repeated every 2s, the power consumption at each point is 0.172W, and the total heat dissipation of the module is 6.45W. The 1746-OB32 operates in a temperature range between 0 and 60 degrees. Celsius (32 and 140 degrees Fahrenheit) can withstand 30G and 2.5G operating shock and vibration respectively at 10-200Hz at 5-95% non-condensing humidity. It has C-UL and UL-listed industrial control equipment for Class I, Zone 2, Group A, B, C, D hazardous site certification and complies with NEMA standard ICS 2-230 noise resistance.
The 1746-N2 is a 32 (32) channel discrete input module manufactured by Allen-Bradley for the SLC 500 controller platform.
The module is primarily used to energize or drive discrete devices (such as indicators, buzzers, horns, alarms) and drive devices (such as solenos, motors, and other devices). The module has an output voltage of 24VDC and can be directly connected to the above devices if they are in the operating voltage range of 5-30VDC. If the output device is not compatible with the DC output, especially if it operates at AC voltage, the module can still be used by implementing the insertion function. By plugging, a relay with a 24VDC coil is connected to the load of this module. Normally open (N.O) or normally closed (N.C.) contacts are connected to the AC voltage tage. In older wired systems with electrical noise, jacks can also be used for external module isolation. This protects the module from external damage or bad behavior caused by poor grounding and wiring of the old system due to undocumented repairs and modifications.
The module comes with a detachable terminal (RTB), octal door label, 32 LED lights dedicated to each channel, and a color-coded module bar that displays the part number. Allen Bradley manufactured the 1746-N3 or 1492 wiring system. These connectors or wiring systems are compatible with this module to ensure proper termination and adequate wire size when used. This also prevents improper wiring from being pre-assembled and ensures that the module doors can cover the terminal wiring. Other wires can also be used, however, large sized wires will overoccupy the front panel, which will make troubleshooting difficult even if the module door is closed.

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