1756-IF8H ControlLogix I/O module

The 1756-IF8H is an Allen-Bradley ControlLogix I/O module with eight differential input channels that can receive industry-standard 0 to 20mA and 4 to 20mA current signals, as well as +/-10VDC, 0 to 5VDC, 1 to 5VDC and 0 to 10VDC voltage signals. The module also adds compatibility with the High Speed Addressable Remote Sensor (HART) protocol with 16-21 bit resolution and backplane current requirements of 300mA@5.1VDC and 135mA@24VDC. Its total backplane power consumption is 4.77W, and heat dissipation varies depending on the configuration signal. In addition, the module is a single-width module that occupies a slot in the 1756 chassis and can be used as part of a local I/O or distributed I/O system.

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Description

The 1756-IF8H is an Allen-Bradley ControlLogix I/O module with eight differential input channels that can receive industry-standard 0 to 20mA and 4 to 20mA current signals, as well as +/-10VDC, 0 to 5VDC, 1 to 5VDC and 0 to 10VDC voltage signals. The module is compatible with the High Speed Addressable Remote Sensor (HART) protocol, and each module is equipped with a HART modem.

1756-IF8H

The resolution range of the 1756-IF8H module is 16-21 bits, the backplane current requirements are 300mA@5.1VDC and 135mA@24VDC, the total backplane power consumption is 4.77W, and the heat dissipation varies according to the configuration signal. In addition, the module is a single-width module that occupies a slot in the 1756 chassis and can be used as part of a local I/O or distributed I/O system. The 1756-IF8H has a HART scan time of 18 to 488ms and 1 second (if HART is enabled) while all channels are HART activated, with an estimated scan time of 10 seconds.

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