1794-IF8IH FLEX I/O模块是具有隔离输入的HART模拟模块

产品细节：1794-IF8IH FLEX I/O模块是具有隔离输入的HART模拟模块

Allen-Bradley 1794-IF8IH FLEX I/O模块是具有隔离输入的HART模拟模块。它已被北美危险场所认证标准批准在危险的工业环境中安全运行。Allen-Bradley 1794-IF8IH FLEX I/O模块有8个隔离输入，也是单端输入。它与Allen-Bradley Flex I/O 1794-TB3 1794-TB3S终端基座兼容。它使用适马-德尔塔转换类型，可以处理单极性和双极性分辨率。其单极性分辨率为16位，双极性分辨率为15位加号。该FLEX I/O模块的外部DC电压范围为19.2至31.2伏DC，交流纹波为5%。它的尺寸是3.7 x 3.7 x 2.6英寸。

Allen-Bradley 1794-IF8IH FLEX I/O HART模拟模块经过工厂校准，但如果模块的预期应用需要现场校准，也可以进行现场校准。它在5伏DC下具有80毫安的Flexbus额定电流。该模块在31.2伏DC下的最大功耗额定值为4.8瓦，在31.2伏DC下的最大散热额定值为每小时16.4 BTU。Allen-Bradley 1794-IF8IH FLEX I/O模块可以在32至131华氏度的温度范围内安全运行，并且具有开放式外壳。它所需的电线尺寸将取决于它所安装的终端基座，但是电线必须始终被屏蔽，并且它应该在信号端口上的2类电线中，在电源端口上的3类电线中。

1794-IF8IH

The Allen-Bradley 1794-IF8IH FLEX I/O module is a HART analog module that has isolated inputs. It has been approved for safe operation in hazardous industrial environments by the North American Hazardous Location Approval standards. The Allen-Bradley 1794-IF8IH FLEX I/O module has 8 isolated inputs that are also single-ended inputs. It is compatible with the Allen-Bradley Flex I/O 1794-TB3 1794-TB3S terminal bases. It uses the Sigma-Delta conversion type and it can handle unipolar and bipolar resolutions. Its unipolar resolution is 16 bits and its bipolar resolution is 15 bits plus sign. The external DC voltage range for this FLEX I/O module is from 19.2 to 31.2 Volts DC with a 5% AC ripple. Its dimensions are 3.7 x 3.7 x 2.6 inches.

The Allen-Bradley 1794-IF8IH FLEX I/O HART analog module comes factory calibrated but it can field calibrated too if field calibration is necessary for the module’s intended applications. It has a Flexbus current rating of 80 mA at 5 Volts DC. The module’s maximum power dissipation rating is 4.8 Watts at 31.2 Volts DC and its maximum thermal dissipation rating is 16.4 BTU per hour at 31.2 Volts DC. The Allen-Bradley 1794-IF8IH FLEX I/O module can operate safely at a temperature range between 32 and 131 degrees Fahrenheit and it has an open enclosure. The wire size that it needs will depend on the terminal base that it is mounted on, but the wire must always be shielded and it should be in wiring category 2 on the signal ports and in wiring category 3 on the power ports.

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