1756-IF6CIS 具有一个数字滤波器 输入数据噪声瞬变

【产品详情】

1756-IF6CIS 具有一个数字滤波器，可平滑输入数据噪声瞬变。此功能仅在使用浮点模式的应用程序中可用。

Allen-Bradley 1756-IF6CIS 是一款 ControlLogix 六 （6） 通道电流源模块。该模块接收 0 至 20 mA 的输入信号范围。该模块的每个通道都有一个隔离电源，电流限制为 28 mA。它可用于为两线制变送器供电，无需外部或环路电源。该模块还支持由外部电源供电的仪器或控制环路，甚至支持具有 4 线配置的变送器。

该模块通过Sigma-Δ转换方法转换接收的模拟信号。数据转换的分辨率为 16 位或 0.34 μA/位。转换后的数据可以保存为整数模式（左对齐，2秒补码）或IEEE 32位浮点数据格式。

模拟信号通常由测量过程变量 （PV） 的仪器提供，例如压力、液位、温度、流量、速度、行程百分比、粘度、浊度、振动和许多其他变量。仪器测量此类变量时，会发送与其配置为测量的测量范围成比例或线性的信号。可编程逻辑控制器 （PLC）（如 ControlLogix 系统）通过任何兼容的模拟输入模块（如 1756-IF6CIS）接收信号。进一步的处理，如模数转换、算术和缩放指令，用于使过程和PLC能够理解信号。它可用作人机界面（HMI）、监控和数据采集（SCADA）系统的数据映射点，以及比例-积分-微分（PID）控制器或其他自动控制系统等控制算法的参考。

1756-IF6CIS 具有一个数字滤波器 输入数据噪声瞬变

【英文介绍】

The 1756-IF6CIS features a digital filter that smooths noise transients in the input data. This feature is only available in applications that use floating-point mode.

The Allen-Bradley 1756-IF6CIS is a ControlLogix six (6) channel current source module. The module receives an input signal range of 0 to 20 mA. Each channel of the module has an isolated power supply with a current limit of 28 mA. It can be used to power two-wire transmitters without the need for an external or loop power supply. The module also supports instruments or control loops powered by an external power source, and even transmitters with 4-wire configurations.

The module converts the received analog signal by the Sigma-Δ conversion method. The resolution of the data conversion is 16 bits or 0.34 μA/ bit. The converted data can be saved in integer mode (left-justified, 2-second complement) or in IEEE 32-bit floating-point data format.

Analog signals are often provided by instruments that measure process variables (PV), such as pressure, level, temperature, flow, speed, percentage of travel, viscosity, turbidity, vibration, and many other variables. When an instrument measures such variables, it sends a signal that is proportional or linear to the measurement range it is configured to measure. Programmable logic controllers (PLCS), such as ControlLogix systems, receive signals through any compatible analog input module, such as the 1756-IF6CIS. Further processing, such as analog-to-digital conversion, arithmetic and scaling instructions, is used to enable the process and the PLC to understand the signal. It can be used as a data mapping point for human-machine interface (HMI), supervisory control and data acquisition (SCADA) systems, and as a reference for control algorithms such as proportional-integral-differential (PID) controllers or other automatic control systems.

1756-IF6CIS 具有一个数字滤波器 输入数据噪声瞬变

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