1794-ACN15 Flex ControlNet适配器

描述

1794-ACN15 Flex ControlNet适配器

Allen-Bradley 1794-ACN15是一个Flex I/O通信适配器模块。该模块支持ControlNet通信，使Flex I/O模块能够通过ControlNet网络传输和接收I/O数据，传输速率高达5mbps。

1794-ACN15带有一个使用Belden RG-6/U的单一控制网端口。该模块不仅可以实现ControlNet通信，还可以将来自Flex I/O电源的输入电源转换为背板电源，由相邻的Flex I/O模块消耗，从而使它们能够按照设计的功能运行。

1794-ACN15内置状态指示灯，如I/O状态-红/绿;通道A -红/绿，通道B -红/绿。它的输入电源电压为19.2-31.2V DC, 400ma，输出到母线的电压和电流为5V DC, 640ma。它能够承受14 A的浪涌电流2毫秒。

1794-ACN15的隔离电压为50V(连续)，基本绝缘型;型式测试@ 860V交流60秒，电源到系统，电源到控制网，和控制网到系统控制网通道之间无隔离。功耗为3.4 W @ 19.2V DC。当终止电压供应到1794-ACN15时，与该模块一起使用的推荐电线是:0.33…2.5 mm2 (22AWG)实心或绞合铜线额定75°C(167°F)或更高1.2 mm(3/ 64英寸)绝缘最大单线连接和0.33…1.3 mm2 (22AWG)实心或绞合(非混合)铜线，额定75°C(167°F)或更高1.2 mm(3/64英寸)，最大绝缘双线连接。

一个适配器可以与多达8个I/O模块一起工作，这些模块的通信速度高达5 Mbps。1794-ACN15在直流19.2伏时最大功耗为3.4瓦，直流19.2伏时最大散热15.7 BTU/小时。它的浪涌电流为23安培，持续2毫秒，最大电流为450毫安，或在24伏直流电流下330毫安。1794-ACN15在接地机箱上安装了DIN导轨，以便进行适当的接地，用户可以使用开式设计的镀锌黄铬酸钢DIN导轨。它是欧洲2区和北美危险地点批准的，它的防护等级为IP20，以防止伤害和对用户和机器的损坏，它应该安装在一个适合特定环境的外壳中。该设备的额定温度在-25到55摄氏度之间，其电源线长度不得超过32.8英尺(10米)。它的总尺寸为3.6 x 3.7 x 3.44英寸(87 x 94 x 69毫米)，重达0.3磅(0.136公斤)。1794-ACN15有以下指示灯:I/O状态指示灯-红/绿、Comm A指示灯-红/绿、Comm B指示灯-红/绿。

1794-ACN15 Flex ControlNet适配器

The Allen-Bradley 1794-ACN15 is a Flex I/O communication adapter module. This module supports ControlNet communication, enabling Flex I/O modules to transfer and receive I/O data over ControlNet network with transmission rate of up to 5 Mbps.

The 1794-ACN15 comes with a single ControlNet port that uses the Belden RG-6/U. Not only that this module enable ControlNet communication, it also converts incoming power from the Flex I/O power supply to backplane power which is consumed by the adjacent Flex I/O modules to allow them to operate according to their designed function.

The 1794-ACN15 has built-in status indicators such as I/O Status – red/green; Comm A – red/green and Comm B – red/green. It has an input supply voltage of 19.2-31.2V DC, 400 mA and output voltage and current to the bus of 5V DC, 640 mA. It is able to withstand an inrush current of 14 A for 2 ms.

The 1794-ACN15 has an isolation voltage of 50V (continuous), Basic Insulation Type; Type tested @ 860V AC for 60 s, power to system, power to ControlNet, and ControlNet to system No isolation between ControlNet channels. It has a power dissipation of 3.4 W @ 19.2V DC. When terminating voltage supply to the 1794-ACN15, recommended wires for use with this module are: 0.33… 2.5 mm2 (22…12 AWG) solid or stranded copper wire rated at 75 °C (167 °F) or greater 1.2 mm (3/ 64 in.) insulation max for single wire connection and 0.33… 1.3 mm2 (22…16 AWG) solid or stranded (not intermixed) copper wire rated at 75 °C (167 °F) or greater 1.2 mm (3/64 in.) insulation max for double wire connection.

One adapter can function with up to 8 I/O modules, which have communication speeds of up to 5 Mbps. The maximum power dissipation of the 1794-ACN15 is 3.4 Watts at 19.2 Volts DC, with a thermal dissipation of 15.7 BTU/hour maximum at 19.2 Volts DC. Its inrush current is 23 Amps for 2 milliseconds with a current draw of 450 mA maximum or 330 mA at 24 Volts DC. The 1794-ACN15 is mounted with a DIN rail to the ground chassis for proper grounding, and the users can use a zinc-plated yellow-chromate steel DIN rail with an open-type design. It is European Zone 2 and North American Hazardous Location-approved, it has a protection rating of IP20 to prevent injuries and to the users and damage to the machine, and it should be mounted in an enclosure that is suitable for a specific environment. The equipment’s temperature rating runs between -25 and 55 degrees Celsius, and its power wiring must not exceed 32.8 feet (10 meters) in length. Its total size is 3.6 x 3.7 x 3.44 inches (87 x 94 x 69 millimeters) and it weighs up to 0.3 pounds (0.136 kilograms). The 1794-ACN15 has the following indicators: I/O status – red/green, Comm A – red/green, and Comm B – red/green.

 

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