1746-IB16  直流输入模块 仅支持灌电流接线配置

Allen-Bradley 1746-IB16 是一款中密度直流输入模块，用于与信号设备连接，为模块的每个输入通道提供 10-30VDC 的信号电压范围。该模块具有十六 （16） 个输入通道，额定输入电压为 24VDC，分为一 （1） 个输入组，具有一个公共端子。此输入模块安装在 1746-机箱的任何可用 I/O 插槽上，并消耗 0.05 A @ 5VDC 的背板电流。

1746-IB16 仅支持灌电流接线配置。它用于与电气元件连接，例如开关，包括限位器、接近器、按钮装置以及继电器、接触器和其他电子设备的辅助触点。1746-IB16 的每个输入通道在 ON 和 OFF 转换中都表现出 8 ms 的通用信号延迟持续时间，最大关断状态电压为 5VDC，最大关断状态电流为 1 mA，而模块的标称输入电流为 8 mA @ 24VDC。

1746-IB16 的安装实例数量因安装的 SLC500 CPU 而异。具体来说，取决于 CPU 内存支持的 I/O 数量。该模块也可以安装在本地、安装 SLC 500 CPU 的机架或分布式 I/O 机箱中，以及 1746 通信适配器，例如远程 I/O （RIO） 和以太网适配器模块。该模块带有状态 LED 指示灯，可指示每个输入通道的启动，以简化监控和故障排除。它还具有可拆卸接线端子，便于端接和模块更换。

1746-IB16 在 ON 和 OFF 转换中的最大信号延迟时间为 8ms，而模块在 OFF 状态下的最大压降为 5V DC。它的最大漏电流为 1mA，整个模块在 24V DC 时的标称输入电流为 8mA。

1746-IB16 每个输入点的净散热为 0.22W，整个模块的总散热为 3.6W。在相对湿度为 5% 的环境中，其工作温度范围在 0 至 60 °C（32 至 140 °F）之间，不使用时，应存放在 -40 至 85 °C（-40 至 185 °F）的温度范围内。1746-IB16 经测试的工作冲击额定值为 30G，设计用于在 57-200 Hz 工作频率下承受 2.5G 的工作振动。它具有 NEMA 标准 ICS 2-230 额定抗噪性，并通过 UL-A196、CSA 和 C-UL I 类 2 区危险环境等级。它在输入端子和控制逻辑之间提供 1500V 的光电隔离测试，并通过了 UL、CSA 和 CE 认证。

直流输入模块（DC Input Module）是一种用于将直流信号转换为数字信号的模块。它通常用于将传感器、执行器等设备的输出信号转换为数字信号，以便于计算机系统进行处理和控制。

直流输入模块通常具有高精度、高速度、高抗干扰性等特点，能够实现对直流信号的精确测量和转换。它们可以通过各种接口（如 USB、RS-232、RS-485 等）与计算机系统进行连接。

直流输入模块广泛应用于工业自动化、仪器仪表、医疗设备、通信设备等领域。它们可以提高系统的可靠性、稳定性和灵活性，降低系统的成本和复杂性。

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1746-IB16  直流输入模块 仅支持灌电流接线配置

The Allen-Bradley 1746-IB16 is a medium density DC input module designed to connect to signal devices, providing a signal voltage range of 10-30VDC for each input channel of the module. The module has sixteen (16) input channels with a rated input voltage of 24VDC, divided into one (1) input group with a common terminal. This input module is installed in any available I/O slot in the 1746-chassis and consumes 0.05A@5VDC of backplane current.

1746-IB16 Supports only perfusion cable configuration. It is used for connection with electrical components, such as switches, including limiters, proximity devices, push button devices, and auxiliary contacts for relays, contactors, and other electronic devices. Each input channel of the 1746-IB16 exhibits a universal signal delay duration of 8 ms in both ON and OFF transitions, with a maximum off state voltage of 5VDC and a maximum off state current of 1 mA, while the module's nominal input current is 8 Ma@24VDC.

1746-IB16 The number of installed instances varies depending on the SLC500 CPU installed. Specifically, it depends on the amount of I/O supported by the CPU memory. The module can also be installed locally, in racks with SLC 500 cpus, or in distributed I/O enclosures, as well as 1746 communication adapters such as Remote I/O (RIO) and Ethernet adapter modules. The module comes with a status LED indicator that indicates the start-up of each input channel to simplify monitoring and troubleshooting. It also has removable terminals for easy termination and module replacement.

The 1746-IB16 has a maximum signal delay time of 8ms in ON and OFF transitions, while the module has a maximum voltage drop of 5V DC in the OFF state. It has a maximum leakage current of 1mA and a nominal input current of 8mA for the entire module at 24V DC.

The 1746-IB16 has a net heat dissipation of 0.22W per input point and a total heat dissipation of 3.6W for the entire module. In an environment with a relative humidity of 5%, it operates in a temperature range of 0 to 60 °C (32 to 140 °F) and should be stored in a temperature range of -40 to 85 °C (-40 to 185 °F) when not in use. The 1746-IB16 has a tested operating shock rating of 30G and is designed to withstand 2.5G operating vibration at an operating frequency of 57-200 Hz. It has NEMA standard ICS 2-230 noise resistance rating and passes UL-A196, CSA and C-UL Class I Zone 2 Hazardous environment rating. It provides 1500V optoelectronic isolation testing between input terminals and control logic and is UL, CSA and CE certified.

A DC Input Module is a module that converts a DC signal into a digital signal. It is usually used to convert the output signals of sensors, actuators and other devices into digital signals for processing and control by computer systems.

Dc input module usually has the characteristics of high precision, high speed and high anti-interference, which can realize the accurate measurement and conversion of DC signal. They can be connected to the computer system through various interfaces (such as USB, RS-232, RS-485, etc.).

Dc input module is widely used in industrial automation, instrumentation, medical equipment, communication equipment and other fields. They can improve the reliability, stability and flexibility of the system and reduce the cost and complexity of the system.

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