1756-OF8I 模拟量输出模块 提供电压和电流输出信号

【产品详情】

1756-OF8I 是一款 ControlLogix 模拟量输出模块。该模块有八 （8） 个独立隔离的通道。它能够提供电压和电流输出信号，范围分别为 -10 至 10V、0 至 10V 以及 0 至 5V 和 0-20 mA 信号。该模块用于驱动调节执行器和设备。该模块可直接安装到任何 1756 ControlLogix 机箱上。制造者 罗克韦尔自动化

品牌 艾伦-布拉德利

零件号/目录号 1756-OF8I

系列 ControlLogix

输出 8 目前

模块类型 隔离模拟输出模块

八 （8） 个隔离电压或电流输出。此模块安装在 1756 ControlLogix 机箱的任何插槽中。它具有 -10 至 10V、0 至 10V、0 至 5V 和 0 至 20 mA 的可选输出额定值，均具有 16 位分辨率。该模块的背板额定电流在 5.1 VDC 时为 200mA，在 24VDC 时为 275mA。它在电压模式下具有 6.3W 的背板功率输出。在电流模式下，背板输出功率范围为 6.3-10.2W，负载为 250-1000 Ω。1756-OF8I 还具有与负载相关的热和功率耗散水平，在电流模式下为 18.4 BTU/hr。1756-OF8I 的总电流输出阻抗为 46 欧姆。

每个通道都具有电流输出的开路检测和电压输出的短路保护。它在两种电压/电流模式下提供 +/- 30V DC 的过压保护。该模块的驱动能力额定值包括 0-1000 欧姆（电流）和 > 1000 欧姆（电压）。它的校准精度为0.05%，模块可以时间为1ms，它只能容纳0.1%的模块误差。1756-OF8I 上的数据格式为 IEEE 32 位浮点格式，采用 R-Ladder DAC 模块转换方法。它的隔离电压为 250V，基本绝缘和加强绝缘类型均在 1500V AC 和 2300V AC 下在输出和输出之间以及输出和背板之间测试了 60 秒。1756-OF8I 具有经 IEC 60068-2-1 测试的工作电压范围，范围在 0 到 60° 之间。在5-95%的无冷凝湿度下，它经过IEC 60068-2-27测试，可承受30G的工作冲击.

Allen-Bradley 1756-OF8I是一款高分辨率模拟输出模块，能够提供电压或电流信号来驱动调制执行器和模拟设备。该模块具有八 （8） 个单独隔离和可配置的通道。该模块的输出电压范围为 -10 至 10V、0 至 10V 和 0 至 5V，而电流输出范围为 0 至 20 mA（16 位分辨率）。

分辨率至关重要，因为它提供了更高的准确性和效率。模块的精度越高，可以覆盖更多的控制点区域。高分辨率模块特别适用于关键过程。该模块的特定分辨率包括 +/- 10 VDC 的 （0.32 mV/计数）;（0.16 mV/计数）用于 0-10VDC;（0.08 mV/计数）用于 0 - 5VDC，0.32 μA/计数用于 0-21 mA。

1756-OF8I 模拟量输出模块 提供电压和电流输出信号

【英文介绍】

The 1756-OF8I is a ControlLogix analog output module. The module has eight (8) independently isolated channels. It provides voltage and current output signals ranging from -10 to 10V, 0 to 10V, and 0 to 5V and 0-20 mA, respectively. The module is used to drive regulatory actuators and devices. The module can be installed directly into any 1756 ControlLogix chassis. Manufacturer Rockwell Automation

Brand Allen Bradley

Part number/Catalog number 1756-OF8I

Series ControlLogix

Output 8 Current

Module type Isolated analog output module

Eight (8) isolated voltage or current outputs. This module is installed in any slot of the 1756 ControlLogix chassis. It has optional output ratings of -10 to 10V, 0 to 10V, 0 to 5V, and 0 to 20 mA, all with 16-bit resolution. The backplane of the module is rated at 200mA at 5.1VDC and 275mA at 24VDC. It has a backplane power output of 6.3W in voltage mode. In current mode, the backplane output power ranges from 6.3-10.2W, and the load ranges from 250-1000 Ω. The 1756-OF8I also has load dependent heat and power dissipation levels of 18.4 BTU/hr in current mode. The 1756-OF8I has a total current output impedance of 46 ohms.

Each channel has open circuit detection for current output and short circuit protection for voltage output. It provides +/ -30V DC overvoltage protection in two voltage/current modes. The module's drive capability ratings include 0-1000 ohms (current) and > 1000 ohms (voltage). Its calibration accuracy is 0.05%, the module can time is 1ms, and it can only accommodate 0.1% module error. The data format on 1756-OF8I is IEEE 32-bit floating-point format, using the R-Ladder DAC module conversion method. It has an isolation voltage of 250V, and both the basic and reinforced insulation types were tested for 60 seconds at 1500V AC and 2300V AC between output and output, and between output and backplane. The 1756-OF8I has an operating voltage range tested by IEC 60068-2-1 ranging from 0 to 60°. At 5-95% non-condensing humidity, it is tested by IEC 60068-2-27 and can withstand 30G of operating shock.

The Allen-Bradley 1756-OF8I is a high-resolution analog output module capable of providing voltage or current signals to drive modulation actuators and analog devices. The module has eight (8) individually isolated and configurable channels. The module's output voltage range is -10 to 10V, 0 to 10V, and 0 to 5V, while the current output range is 0 to 20 mA (16-bit resolution).

Resolution is crucial because it provides greater accuracy and efficiency. The higher the accuracy of the module, the more control point areas can be covered. High resolution modules are particularly suitable for critical processes. The specific resolution of the module includes +/ -10 VDC (0.32 mV/ count); (0.16 mV/ count) for 0-10VDC; (0.08 mV/ count) for 0-5VDC, 0.32 μA/ count for 0-21 mA.

1756-OF8I 模拟量输出模块 提供电压和电流输出信号

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