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Description
Overview
Essential details：1784-PKTX/A Allen Bradley Network Interface card
The Allen-Bradley 1784-PKTX is a network interface cards that directly mounts to a Peripheral Connect Interconnect (PCI) port of a personal computer. This card supports PCI bus version 2.3 and allows the host computer to connect to a Data Highway Plus (DH+), Remote I/O (RIO) or DH-485 communication network. This card may be used to interface with Programmable Logic Controllers (PLC) for implementing process visualization.
It has a single channel DH+ / RIO combo port, labelled as channel 1A and DH-485 communication interface labelled as Channel 1C. DH+ and RIO supports long distance communication with specific coverage limited by the transfer rate. Specifically, 10,000 ft. (3048 m) @ 57.6K bit/s; 5, 000 ft. (1,524 m) @ 115.2K bits/s and 2,500 ft. (762 m) @ 230.4K bits/s. For DH-485, maximum distance that may be covered is 4,000 ft. (1219 m) @ 1200, 2400, 4800, 9600 or 19,200 bits/s.
The 1784-PKTX comes with 1 diagnostic/status LED per channel and supports a maximum of Four (4) modules per system, specified by the jumper configuration. Drive development may be configured in variety of ways and depends on the operating system.
1784-PKTX/A
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1784-PKTX/A Allen Bradley Network Interface card
For other Operating Systems, a user-specific Driver must be created. The module uses the RSLinx PKTx driver for devices connected to either the DH+ or the DH-485 Network, and it can connect to DH+ devices, using the 10 feet (3.2 meters) CP12 cable which has a 3-pin Phoenix End with Switchable Termination resistor. Also, the module uses the 1784-CP14 cable, which is a 6 pin Phoenix Connector with switchable termination resistor to connect to an SLC on DH-485 Network. The 1784-PKTX has varying connection lengths with corresponding transfer rates, at 10,000 feet, the communication rate is at the 57.6K bit/s, at 5,000 feet, it is 115.2K bits/s, and at 2,500 feet, it is 230.4K bits/s. Connection rates on the DH-485 network at 4,000 feet is 1200 bits/s, 9600 bits/s or 19,200 bits/s, and for the Remote I/O is 230.4K bit/s at 2,500 feet through 57.6K bit/s at 10,000 feet. The module has a single LED status/Diagnostic indicator per channel, and BUS communication meets Local PCI compliance. The 1784-PKTX module has a working temperature range of 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit) at a tested 5 to 95% relative humidity without condensation, and it is rated for withstanding an operational shock of 30G and a vibration of 2G at 10 to 500 Hertz.
