1756-IF16H是一款模擬輸入模塊，屬于1756 ControlLogix PAC（可編程自動(dòng)化控制器）系列。
該模塊支持通過(guò)硬連線和高速可尋址遠(yuǎn)程傳感器(HART)通信協(xié)議集成0-20 mA或4-20 mA輸入信號(hào)。該模塊每通道提供十六(16)個(gè)差分電流信號(hào)和一(1)個(gè)HART調(diào)制解調(diào)器，用于將模擬信號(hào)轉(zhuǎn)換為數(shù)字信號(hào)，以供PLC或控制系統(tǒng)使用。
此外，1756-IF16H集成了采用逐次逼近法的模數(shù)轉(zhuǎn)換器(ADC)，模擬轉(zhuǎn)換分辨率范圍為16-21位，允許顯示更多的測(cè)量點(diǎn)。轉(zhuǎn)換后的信號(hào)以整數(shù)模式保存（左對(duì)齊，2s補(bǔ)碼）IEEE 32位浮點(diǎn)數(shù)。

1756-IF16H

The 1756-IF16H is an analog input module belonging to the 1756 ControlLogix PAC (Programmable Automation Controller) family.
The module supports the integration of 0-20 mA or 4-20 mA input signals via hardwired and high-speed addressable Remote Sensor (HART) communication protocols. The module provides sixteen (16) differential current signals per channel and one (1) HART modem for converting analog signals to digital signals for use by a PLC or control system.
In addition, the 1756-IF16H incorporates a sequential approximation analog-to-digital converter (ADC) with a resolution range of 16-21 bits, allowing more measurement points to be displayed. The converted signal is stored in integer mode (left-justified, 2s complement) as an IEEE 32-bit floating-point number.

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