1786-RPCD | Allen-Bradley ControlNet Dual Copper Coaxial Repeater Module

Description 

The 1786-RPCD is a ControlNet Dual Copper repeater module by Allen-Bradley. This module is a DIN Rail mounted device that comes with Two (2) ControlNet coaxial (copper) ports supporting Series, Star, and Redundant ControlNet network topologies. It has Channel 1 and Channel 2 LED status indicators for depicting channel activity. This module has a backplane current draw of 400 mA at 5VDC. This module is used with the 1786-RPA/B repeater adapter.

Technical Specifications 

Information About 1786-RPCD

The 1786-RPCD is a ControlNet repeater module by Allen-Bradley. This module is mainly used to extend the existing ControlNet network. This repeater module is used with a repeater adapter with catalog number 1786-RPA/B. Up to Four (4), 1786-RPCD may be installed along with a single repeater adapter. The 1786-RPCD comes with Two (2) ControlNet ports supporting RG6 coaxial cable. With the Dual ControlNet port, this adapter module can be used to extend ControlNet networks in linear, Star, and redundant topologies. Aside from the mentioned topologies, the 1786-RPCD is used in hub-based ControlNet networks, to implement longer ControlNet distance coverage and implement isolated ControlNet segments. Unused channels of ports must be plugged with a 75 Ohm trunk line terminating resistor with Allen-Bradley catalog number 1786-XT. The 1786-RPCD received power from the repeater adapter module. It has a backplane current draw of 400 mA at 5VDC with a power consumption of 2 Watts, maximum, and Power dissipation of 2 Watts, maximum. It has an open style enclosure therefore this module should be mounted within an enclosure that provides adequate protection against industrial elements. This module has an operating temperature of 0-60 Degree Celsius. The 1786-RPCD has Two (2) LED status indicators such as Channel 1 and Channel 2 indicators. When a module is operational, the LED is illuminated Green and an active communicating channel has its LED flashing Green. This module measures 4.048 inches or 101.2 mm (Height); 4.44 inches or 111 mm (Width) and 2.76 inches or 69 mm (Depth). It is mounted to a standard, 35 mm DIN rail.

The 1786-RPCD is a coaxial repeater module control net manufactured by Allen-Bradley. The 1786-RPCD coaxial repeater module joins to the RPA/B repeater adapter that supplies it with 5 Volts DC, and it has a backplane current draw of 400mA at 5 Volts DC maximum. The 1786-RPCD is designed to extend the length of a network, provide a point-to-point topology, or do network media conversion from coaxial media to fiber media and vice versa. The 1786-RPCD operating temperature is 32 to 140 degrees Fahrenheit, a non-operating temperature of 60 degrees, for conducting RF Immunity according to the IEC 61000-4-5 standards. It has a vibration of 5g at 10 to 500 Hertz, with a relative humidity range of 5 to 95% for non-condensing humidity. The 1786-RPCD is powered by a repeater adapter. The 1786-RPCD makes it easy to connect multiple 1000 meters copper segments to a single repeater adapter (the 1786-RPA). It gives two copper channels and activity status indicators for each channel. The 1786-RPCD consists of two status indicators which are interpreted by the operator to communicate fault situations and if it is powering up, including if there are faults in the data being obtained at the modules. Its delay value is 100ns. When installing the 1786-RPCD, place the 1786-RPCD module at a 30-degree angle. Hook the lip on the backside of the module to the top of the DIN rail and rotate it onto the track. Then press the module onto the DIN rail until the flush appears. Meanwhile, the locking tab should snap into the correct location and lock the module to the DIN rail. When necessary, slide the module to the left to join with the repeater adapter or another repeater module. It is important to be observant when inserting or removing the module. It is not recommended to remove or add the 1786-RPCD module under power. It should be powered off when entering and disconnecting, and the area should be determined to be non hazardous. The 1786-RPCD applies when the hub-based topology is required in the network and the segments need a longer copper wire distance; the network design requires a separated section and the number of nodes also needs repeaters.

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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