1756-OA8D 诊断模块 在高于此温度时线性降额

【产品详情】

Allen-Bradley 的 1756-OA8D ControlLogix 输出模块是一款 8 点输出 ControlLogix 诊断模块，安装在 1756 ControlLogix 机箱的任何插槽上。与该系列中的大多数模块一样，它的背板额定值在 5.1V DC 时为 175mA，在 24V DC 时为 250mA，总背板额定值为 6.9W。其输出电压范围在 74-132V AC 之间，频率为 47-63Hz，最大 ON/OFF 和 OFF/ON 延迟时间为 9.3ms（50Hz）和 11ms（50Hz）。1756-OA8D 在 5.1V 时的消耗电流为 175mA，在 24V 时为 250mA，功耗为 53W，散热为 18.0 BTU/hr。在OFF状态下，每点漏电流为3mA，1.0A时最大压降为3.0V。

在30 0C时，每个输出点的额定电流为1A，在高于此温度时线性降额，整个模块的净电流在30 0C时也为8A，并且在任何更高的温度值下也会线性降额。1756-OA8D 模块的最大浪涌电流为 8A，每点 43ms，在 30 °C 下每 2s 重复一次，每个输出点的最小负载为 10mA。它的隔离电压为 125V（连续），基本（绝缘型）在 1200V AC 下在输出组到组和输出到背板之间测试了 2 秒，但各个组输出之间没有隔离。1756-OA8D 具有单个插槽宽度，可拆卸接线端子 （RTB） 上的键控由用户自行决定。它被指定为 T4A 代码，最佳温度范围为 0-60 °C （32-140 °F），相对湿度为 5-95%，非冷凝相对湿度为 5-95%，并封装在开放式额定外壳中。它重约 1 公斤（2.25 磅）。

1756-OA8D 诊断模块 在高于此温度时线性降额

【英文介绍】

Allen-Bradley's 1756-OA8D ControlLogix Output module is an 8-point output ControlLogix diagnostic module that fits into any slot in the 1756 ControlLogix case. Like most modules in the series, it has a backplane rating of 175mA at 5.1V DC, 250mA at 24V DC, and a total backplane rating of 6.9W. Its output voltage range is between 74-132V AC, frequency is 47-63Hz, and maximum ON/OFF and OFF/ON delay time is 9.3ms (50Hz) and 11ms (50Hz). The 1756-OA8D consumes 175mA at 5.1V and 250mA at 24V, with a power consumption of 53W and a heat dissipation of 18.0 BTU/hr. In the OFF state, the leakage current per point is 3mA, and the maximum voltage drop is 3.0V at 1.0A.

At 30 0C, the rated current at each output point is 1A, linearly derated above this temperature, and the net current of the entire module is also 8A at 30 0C, and linearly derated at any higher temperature value. The 1756-OA8D module has a maximum surge current of 8A, 43ms per point, repeated every 2s at 30 °C, and a minimum load of 10mA per output point. It has an isolation voltage of 125V (continuous), and the basic (insulated type) was tested for 2 seconds at 1200V AC between output group to group and output to backplane, but there was no isolation between the individual group outputs. The 1756-OA8D has a single slot width, and keying on the removable terminal (RTB) is at the user's discretion. It is designated with the T4A code, has an optimal temperature range of 0-60 °C (32-140 °F), a relative humidity of 5-95%, and a non-condensing relative humidity of 5-95%, and is packaged in an open rated housing. It weighs about 1 kg (2.25 pounds).

1756-OA8D 诊断模块 在高于此温度时线性降额

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