1769-IF8 紧凑型 I/O 模拟输入模块

1769-IF8 的背板消耗电流在 120 伏直流时为 5 mA，在 70 伏直流电时为 24 mA，运行时会散发 3.64 瓦的热量。它使用三角洲-Σ模数转换器，其分辨率为16位单极性或15位加号。它具有取决于滤波器/配置的通道响应速度。它在 120 伏直流时的最大母线消耗电流为 5 mA，在 70 伏直流时为 24 mA，电压端子的输入阻抗为 220 kg，电流端子的输入阻抗为 250 欧姆。
1769-IF8 的公共失调电压范围为每通道 +/-10 伏直流电，在 60 至 50 赫兹时共模抑制比大于 60 dB。该模拟输入模块对电压信号的总体精度为+/-0.2%，对电流信号具有0.35%的总精度，而电压的总漂移精度为+/-0.003%，对于电流信号为每摄氏度+/-0.0045%。它还具有 +/-0.03% 的输入非线性度和 +/-0.03% 的可重复性。1769-IF8 有一个指示灯，显示模块的故障状态。1769-IF8 通过位报告对超量程或欠量程执行自动自诊断，还可以处理报警。它在 30.0 mA 的电压端具有 +/-1 伏直流连续的最大输入端子过载，在 +/-32.7 伏直流时具有 +/-6 mA 的过载。其工作温度范围在 0 到 60 摄氏度（32 到 140 华氏度）之间，冷凝时相对湿度限制为 95%。它重约 450 克（0.99 磅），尺寸约为 118 x 87 x 52.5 毫米。

1769-IF8 是一款紧凑型 I/O 模块，由 Allen-Bradley 制造，与 1769 CompactLogix 控制器和 MicroLogix 1500 控制器兼容。该控制器具有嵌入式八 （8） 个输入通道，支持差分和单端接线。
可配置信号为 0-20 mA 和 4-20mA 和 +/10VDC、1-5VDC、0-5VDC、0-10VDC。

The backplane of 1769-IF8 consumes 5 mA at 120 V DC and 24 mA at 70 V DC, emitting 3.64 watts of heat during operation. It uses deltas- Σ An analog-to-digital converter with a resolution of 16 bit unipolarity or 15 bit plus sign. It has channel response speed that depends on the filter/configuration. It has a maximum bus current consumption of 5 mA at 120 V DC and 24 mA at 70 V DC. The input impedance of the voltage terminal is 220 kg, and the input impedance of the current terminal is 250 ohms.

The common offset voltage range of 1769-IF8 is+/- 10V DC per channel, and the common mode rejection ratio is greater than 60 dB at 60 to 50 Hz. The overall accuracy of the analog input module for voltage signals is+/-0.2%, for current signals it has a total accuracy of 0.35%, while the total drift accuracy for voltage is+/-0.003%, and for current signals it is+/-0.0045% per degree Celsius. It also has an input nonlinearity of+/-0.03% and repeatability of+/-0.03%. 1769-IF8 has an indicator light that displays the fault status of the module. 1769-IF8 performs automatic self diagnosis for over range or under range through bit reporting, and can also handle alarms. It has a continuous maximum input terminal overload of+/-1 V DC at a voltage terminal of 30.0 mA, and an overload of+/-6 mA at+/-32.7 V DC. Its operating temperature range is between 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit), and the relative humidity during condensation is limited to 95%. It weighs approximately 450 grams (0.99 pounds) and measures approximately 118 x 87 x 52.5 millimeters.

1769-IF8 is a compact I/O module manufactured by Allen Bradley and compatible with 1769 CompactLogix controllers and MicroLogix 1500 controllers. This controller has embedded eight (8) input channels and supports differential and single ended wiring.

Configurable signals are 0-20 mA, 4-20mA,+/10VDC, 1-5VDC, 0-5VDC, 0-10VDC.