1761-L20BWA-5A 是一款 MicroLogix 1000 控制器

1761-L20BWA-5A 是一款 MicroLogix 1000 控制器

Allen-Bradley 1761-L20BWA-5A 是一款可编程逻辑控制器 （PLC），属于 Bulletin 1761 MicroLogix 1000 产品系列。该 MicroLogix 控制器设计有内置分立和模拟输入通道，使该控制器能够实现离散和模拟环路控制的自动和手动控制。提供模拟控制环路功能。1761-L20BWA-5A 特别适合用作微型和小型机器和过程的自动化控制器。它是一种通用控制器，非常适合用于机器控制、物料搬运、阀门排序和简单复杂的类似应用。

此 1761-L20BWA-5A 由外部交流电源供电，电压范围为 85-264V AC，使用 120VAC 供电时额定功耗为 30VA，由 240VAC 标称输入电源供电时为 36VA，额定可承受 30A 的浪涌电流持续 8 ms.1761-L20BWA-5A

提供十二 （12） 个数字输入通道， 标称工作电压为24VDC。这些输入通道通常用于连接ON/OFF设备，例如开关、辅助触点、接近传感器和其他类似的操作设备。此外，1761-L20BWA-5A 具有八 （8） 个继电器输出通道，可在直流和交流电压下运行，例如 24-125 VDC 或 120/240VAC。这些继电器输出通道具有单独的隔离功能。这些继电器输出通道可用于驱动和激励电气负载，包括电磁阀或电动驱动装置、指示灯等指示装置、发声装置和电机控制装置（如电机启动器）。内置模拟输入兼容 +/- 10VDC 和 +/-20mA 的模拟信号范围，而提供的模拟输出通道能够提供 0-10VDC 或 4-20 mA。

RS-232 端口将 1761-L20BWA-5A 连接到对等网络。它使用设备网络接口 （DNI） 实现快速响应、低成本和可靠性。点对点通信可以通过 DF1 半双工和全双工协议实现。

1761-L20BWA-5A 支持梯形逻辑编程语言。对于典型的 500 条指令程序，1761-L20BWA-5A 控制器的执行时间为 1.56 毫秒，吞吐量为 1.85 毫秒。

1761-L20BWA-5A 是一款 MicroLogix 1000 控制器

The Allen-Bradley 1761-L20BWA-5A is a programmable logic controller (PLC) that belongs to the Bulletin 1761 MicroLogix 1000 product family. The MicroLogix controller is designed with built-in discrete and analog input channels, enabling automatic and manual control of discrete and analog loop controls. Provides analog control loop function. The 1761-L20BWA-5A is particularly suitable for use as an automation controller for micro and small machines and processes. It is a universal controller that is ideal for machine control, material handling, valve sequencing and similar applications of simple complexity.

This 1761-L20BWA-5A is powered by an external AC power supply with a voltage range of 85-264V AC and a rated power consumption of 30VA when powered by 120VAC and 36VA when powered by 240VAC nominal input. Rated to withstand a 30A surge current lasting 8 ms.1761-L20BWA-5A

Provides twelve (12) digital input channels with a nominal operating voltage of 24VDC. These input channels are typically used to connect ON/OFF devices, such as switches, auxiliary contacts, proximity sensors, and other similar operating devices. In addition, the 1761-L20BWA-5A features eight (8) relay output channels to operate at both DC and AC voltages, such as 24-125 VDC or 120/240VAC. These relay output channels have separate isolation functions. These relay output channels can be used to drive and excite electrical loads, including solenoid valves or electric drives, indicating devices such as indicator lights, sounding devices, and motor control devices such as motor starters. The built-in analog input is compatible with +/ -10VDC and +/-20mA analog signal ranges, while the provided analog output channels are capable of providing 0-10VDC or 4-20 mA.

The RS-232 port connects 1761-L20BWA-5A to a peer-to-peer network. It uses the Device Network Interface (DNI) for fast response, low cost, and reliability. Point-to-point communication can be implemented through DF1 half-duplex and full-duplex protocols.

The 1761-L20BWA-5A supports ladder logic programming language. For a typical 500-instruction program, the 1761-L20BWA-5A controller has an execution time of 1.56 milliseconds and a throughput of 1.85 milliseconds.