1746-IV16 模块具有十六 （16） 个源输入通道

1746-IV16 模块具有十六 （16） 个源输入通道

Allen-Bradley 1746-IV16 是一款 SLC 500 离散输入模块。该模块具有十六 （16） 个源输入通道，非常适合连接电信号设备，如开关、辅助触点、传感器和其他提供二进制或 ON/OFF 信号状态的设备。

1746-IV16 支持源接线配置。通常，输入设备承载信号电压，并通过灌电流布线配置将该电压发送到输入模块。在某些情况下，某些电信号设备不携带输入信号电压。这是当可以使用1746-IV16的时候，其中，模块本身向环路提供信号电压，然后在设备信号状态改变时返回模块的该输入通道。

1746-IV16 的每个通道设计为在 24VDC 的标称电压下运行，但接受 10-30 VDC 的电压范围。此外，在 8VDC 时，每个器件都需要 24 mA 的标称输入电流。zui 大导通状态输入电压为5.0 VDC，zui 大关断状态输入电流为1 mA。对于ON至OFF和OFF至ON转换，每个通道的zui 大信号延迟时间为8 ms。

1746-IV16 是一个单插槽宽模块，可直接安装到 1746 机箱的任何可用插槽。它可以用作本地 I/O 模块或远程 I/O 模块。它带有 16 个 LED 状态指示灯，每个指示灯用于监控输入通道的状态。它还预装了一个可拆卸的接线端子，允许模块化布线，并在模块发生故障时简化模块更换。

1746-IV16 的zui 大断态电流和电压为 1 mA 和 5 伏直流电。它在 8 伏直流电时的标称输入电流为 24 mA，zui 大功耗为 3.6 瓦。它适用于SLC 500系统中的通用直流输入。1746-IV16 模块负责接收数字转换的模拟数据并将其存储到其数据图像表中，以供所有模块化和固定式 SLC 500 处理器检索。它支持多达 8 个传感器或执行器的连接，适用于各种应用。1746-IV16 模块配有可拆卸接线端子，无需断开任何电线，模块更换也变得容易。它还包括用于降低信号噪声的滤波器电路和光耦合。使用梯形逻辑编程的 SLC 1746 处理器可以轻松访问 16-IV500 模块输入值。使用显示输入状态额定值的 LED 指示灯，故障排除变得更加容易。SLC 500 系统使用基于共享的硬件平台，该平台包括数字和模拟 I/O 的各种组合，从而节省了成本和空间。1746-IV16 适用于 0 至 60 摄氏度（32 至 140 华氏度）温度范围和 5% 至 95% 非冷凝相对湿度范围的环境中。

1746-IV16 模块具有十六 （16） 个源输入通道

The Allen-Bradley 1746-IV16 is an SLC 500 discrete input module. With sixteen (16) source input channels, the module is ideal for connecting electrical signal devices such as switches, auxiliary contacts, sensors, and other devices that provide binary or ON/OFF signal states.

1746-IV16 Source cable configuration is supported. Typically, the input device carries the signal voltage and sends that voltage to the input module through a perfusion wiring configuration. In some cases, some electrical signal devices do not carry an input signal voltage. This is when 1746-IV16 is available, where the module itself provides signal voltage to the loop and then returns this input channel to the module when the device signal state changes.

Each channel of the 1746-IV16 is designed to operate at a nominal voltage of 24VDC, but accepts a voltage range of 10-30 VDC. In addition, at 8VDC, each device requires a nominal input current of 24 mA. The maximum on-state input voltage is 5.0 VDC, and the maximum off-state input current is 1 mA. For ON to OFF and OFF to ON transitions, the maximum signal delay time for each channel is 8 ms.

The 1746-IV16 is a single slot wide module that can be installed directly into any available slot in the 1746 chassis. It can be used as a local or remote I/O module. It comes with 16 LED status indicators, each used to monitor the status of the input channel. It also comes pre-installed with a detachable terminal that allows for modular wiring and simplifies module replacement in the event of module failure.

The maximum off-state current and voltage of the 1746-IV16 are 1 mA and 5 volts DC. It has a nominal input current of 24 mA at 8 volts DC and a maximum power consumption of 3.6 watts. It is suitable for general purpose DC input in SLC 500 systems. The 1746-IV16 module is responsible for receiving analog data for digital conversion and storing it in its data image table for retrieval by all modular and stationary SLC 500 processors. It supports the connection of up to 8 sensors or actuators for a variety of applications. The 1746-IV16 module is equipped with detachable terminals, which eliminates the need to disconnect any wires and makes module replacement easy. It also includes a filter circuit and optical coupling for reducing signal noise. The SLC 1746 processor programmed with ladder logic has easy access to 16-IV500 module input values. Troubleshooting is made easier with LED indicators that display input status ratings. The SLC 500 system uses a shared-based hardware platform that includes various combinations of digital and analog I/O, saving both cost and space. The 1746-IV16 is suitable for use in the 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit) temperature range and the 5 to 95% non-condensing relative humidity range.

1746-IV16 模块具有十六 （16） 个源输入通道

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