1756-DNB ControlLogix 扫描仪模块
【产品详情】
Allen-Bradley 1756-DNB 是一个连接到 ControlLogix 系统的 DeviceNet Scanner 模块。它充当从 DeviceNet 模块收集数据的桥梁,然后将信息副本传送给控制器,反之亦然。使用 1756-DNB 扫描仪模块,用户可以预期 DeviceNet 通信速率默认为每秒 125 KB、每秒 250 KB 和每秒 500 KB。它的 DeviceNet 节点地址为 00 到 63,默认设置节点地址 63,最多 64 个节点。它仅与 Logix5550 控制器兼容。该特定模块充当 DeviceNet 设备和网络之间的网关,以便从设备读取输入和写入输出、下载配置数据并监控设备的运行状态。
当涉及控制器时,Allen-Bradley 1756-DNB 将以诊断表、输入和输出的形式进行通信。I/O 交换设备的配置数据、状态信息和 I/O 数据。该模块使用选通、轮询、状态更改和/或循环消息与另一台设备进行通信。这些消息用于从每个设备收集数据或将数据传送到每个设备。然后,从设备接收的数据将被组织并提供给控制器(输入数据),从控制器接收的数据将发送到设备(输出数据)。1756-DNB 在 5.1 伏直流时的电流消耗为 400 毫安,而当电流消耗为 0 伏直流时,它保持在 24 毫安。该模块的功耗约为 3.5 瓦,热耗散为 11.9 BTU/小时。该模块可以安装在任何可用的机箱插槽中,并与 RSNetWorx 一起使用。
1756-DNB ControlLogix 扫描仪模块
【英文介绍】
Allen-Bradley 1756-DNB is a DeviceNet Scanner module that connects to the ControlLogix system. It acts as a bridge to collect data from the DeviceNet module and then passes a copy of the information to the controller and vice versa. With the 1756-DNB scanner module, users can expect DeviceNet communication rates to default to 125 KB per second, 250 KB per second, and 500 KB per second. It has DeviceNet node addresses from 00 to 63, with the default setting of node addresses 63 and a maximum of 64 nodes. It is only compatible with the Logix5550 controller. This particular module acts as a gateway between the DeviceNet device and the network to read inputs and write outputs from the device, download configuration data, and monitor the operating status of the device.
When controllers are involved, Allen-Bradley 1756-DNB will communicate in the form of diagnostic tables, inputs, and outputs. I/O Configuration data, status information, and I/O data of the switching device. This module communicates with another device using strobe, polling, status change, and/or loop messages. These messages are used to collect data from each device or deliver data to each device. The data received from the device is then organized and provided to the controller (input data), and the data received from the controller is sent to the device (output data). The 1756-DNB has a current consumption of 400 mA at 5.1 volts DC, while it remains at 24 mA when the current consumption is 0 volts DC. The module has a power consumption of about 3.5 watts and a heat dissipation of 11.9 BTU/ hour. The module can be installed in any available chassis slot and used with RSNetWorx.
1756-DNB ControlLogix 扫描仪模块
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