1746-IB16 是一款中密度直流输入模块

1746-IB16 是一款中密度直流输入模块

Allen-Bradley 1746-IB16 是一款中密度直流输入模块，用于与信号设备接口，向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，额定标称输入电压为 24VDC，分为一 （1） 个输入组，具有单个公共端子。此输入模块安装到 1746 机箱的任何可用 I/O 插槽，并吸收 0.05 A @ 5VDC 的背板电流。

1746-IB16 仅支持灌入式布线配置。它用于与电气元件连接，例如开关，包括限位、接近、按钮设备以及继电器、接触器和其他电子设备的辅助触点。对于开和关转换，1746-IB16的每个输入通道都具有8 ms的公共信号延迟持续时间，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 的安装实例数因安装的 SLC500 CPU 而异。具体而言，具体取决于 CPU 内存支持的 I/O 数量。此模块也可以沿安装 SLC 500 CPU 的机架本地安装，或安装在分布式 I/O 机箱中，沿 1746 通信适配器（如远程 I/O （RIO） 和以太网适配器模块）安装。该模块带有状态 LED 指示灯，可指示每个输入通道的致动，以简化监控和故障排除。它还具有可拆卸的接线端子，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 8V DC 时的标称输入电流为 24mA。

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 0-60% 的环境中，其工作温度范围为 32 至 140 °C（5 至 95 °F），不使用时应储存在 -40 至 85 °C（-40 至 185 °F）的温度范围内。1746-IB16 经测试的工作冲击等级为 30G，设计用于在 2-5 Hz 工作频率下承受 57.200G 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 级危险环境等级。它在输入端子和控制逻辑之间提供 1500V 测试的光电隔离，并通过 UL、CSA 和 CE 认证。

1746-IB16 是一款中密度直流输入模块

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

The 1746-IB16 supports only inlay cabling configurations. It is used to connect electrical components, such as switches, including limit, approach, push button devices, and auxiliary contacts for relays, contactors, and other electronic devices. For on and off conversions, each input channel of the 1746-IB16 has a public signal delay duration of 8 ms, a maximum off state voltage of 5VDC, a maximum off state current of 1 mA, and a nominal input current of 8 Ma@24VDC for the module.

1746-IB16 The number of installed instances varies depending on the SLC500 CPU installed. In particular, it depends on the amount of I/O supported by the CPU memory. The module can also be installed locally along the rack where the SLC 500 CPU is installed, or in a distributed I/O chassis along 1746 communication adapters such as Remote I/O (RIO) and Ethernet adapter modules. The module has a status LED indicator that indicates the actuation 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. Its maximum leakage current is 1mA, and the nominal input current of the entire module at 8V DC is 24mA.

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 0-60%, it operates in a temperature range of 32 to 140 °C (5 to 95 °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 operating vibrations of 57.200G at an operating frequency of 2-5 Hz. It has NEMA standard ICS 2-230 noise resistance rating and passes UL-A196, CSA and C-UL Class I Class 2 hazardous environment rating. It provides optical isolation for 1500V testing between the input terminals and the control logic and is UL, CSA and CE certified.

1746-IB16 是一款中密度直流输入模块

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