1786-rpfm installation instructions

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Not a member? Sign up today to enjoy Radwell price on new product, surplus, and repairs. Create an Account. Weight: 0. Have you seen this for less? Product Description. This guide provides basic information for fiber cable planning and installation. Actual procedures for installing your system may vary depending on cable style and installation environment. We recommend that you consult a network design specialist for the design of your fiber network.

Refer to the Glossary for clarification of terms associated with fiber technologies. These documents contain additional information concerning related products from Rockwell Automation. To order paper copies of technical documentation, contact your local Allen-Bradley distributor or Rockwell Automation sales representative. This chapter is an overview of the process you need to follow when you apply fiber media. Some of the information in this chapter repeats in subsequent chapters for instructional purposes.

Fiber media holds many advantages over traditional copper media. Since fiber-optic media transmits digitized information via light pulses over glass or plastic fibers, it avoids many of the problems common with copper applications. In certain applications, the advantages of fiber over coax media outweigh the higher cost of fiber media and components.

Take the time to analyze your current or new network application to see where it makes the most sense to use coax or fiber media.

If you are creating a new network or adding fiber to an existing network, create a design plan for the fiber segments of your network and identify the purpose for the fiber segments. By creating a plan and analyzing your design you will be eliminating the potential for misapplication of media. Fiber-optic cables consist of three major components, the buffer and coating, cladding, and the core. A network is a collection of segments with nodes connected together by repeaters. A node is any physical device connecting to the ControlNet fiber or ControlNet media system that requires a network address to function on.

Fiber cable connectors connect fiber cable to the fiber repeater module. The medium, long, and extra-long distance fiber repeater modules use an ST-type connector and the short-distance fiber repeater modules use a V-pin type connector. The short-distance fiber cables come factory terminated in various lengths. You can increase the distance of the network by using low loss cable and connectors. Although you can repeat coax signals on a network by using a RPCD module, this manual mainly focuses on fiber cabling for the fiber repeater modules.

The fiber repeater modules send an optical signal through the fiber cable to the next fiber repeater module on the network. The combination of the repeater adapter see below and a fiber repeater module, such as the RPFM, is referred to as a fiber repeater.

The ControlNet network uses a modular fiber repeater system. The repeater adapter can supply a maximum of 1. To determine how many repeater modules you can use with a single repeater adapter, calculate the current draw of all repeater modules in your system.

Do not exceed 1. Regardless of repeater module current draw, you are limited to a maximum of four repeater modules per repeater adapter. We suggest that you take sufficient time to plan the installation of your network before assembling any components. The table defines some of the basic ControlNet network terminology used in example topologies. Point-to-point is also called a bus or a trunk line topology. A point-to-point topology can be described as one fiber module transmitting to another module.

For example, you cannot transmit from a medium-distance module to a short-distance module. This should be done to all repeater modules that are not connected to coax segments. In a star topology, all segments of the fiber network start from a central location.

A ring topology provides redundancy by providing two data paths in a single ring. A ring can sustain two faults before that data connection is lost. If a ring is broken, the configuration then becomes a linear bus and the number of repeaters in SERIES depends on where the ring is broken. You will have as many repeaters as in the original ring. See page 29 to determine different topology constraints. During the planning phase of your network design, create checklists to help you determine the following components that are needed in an application:.

Refer to Table 3 on page 14 to determine how many repeater modules you can connect to one repeater adapter. The number of repeaters and the total cable length depends on your network topology limits and the repeater modules you select. You can use fiber repeaters that are designed for hazardous areas as a link from your non-hazardous area to your hazardous area. When you configure your network by using fiber repeaters, you can install them in one of the following ways:.

Series is defined as the number of repeater assemblies repeater adapter plus fiber repeater module between two devices on a network. The system size is based on the maximum number of repeaters in a series and maximum length of the media used between any. In Figure 5 , the maximum number of fiber repeaters is 3, because a message from coax segment 1 to coax segment 2 travels through 3 repeaters in series A, B, and C. For any given architecture, the highest number of repeaters that a message might travel through to get from any single node to another determines the number of repeaters in a series.

When you install repeaters in parallel, you can install a maximum of 48 repeaters the maximum number of taps per m segment. Figure 6 shows an example of fiber repeaters being used in parallel. Fiber repeaters A and B are in parallel off of coax segment 1. The network example shows 2 fiber repeaters in series.

This is determined by counting the number of fiber repeaters a message must travel through to get from one node to another. For example, if a message travels from node 1 to node 2 B, C or from node 1 to node 3 A,D , it travels through 2 fiber repeaters. You can install repeaters in a combination of series and parallel connections.

For mixed topologies series and parallel the maximum number of repeaters in series between any two nodes is Multiple repeater connections between two segments are not allowed. In this network example, the maximum number of repeaters that a message will travel through is 5. This secondary path is dependant on the fiber and coax lengths of Segment 1 and Segment 2, including Segment 7.

Use this configuration to achieve an increased level of protection in case of cable failure over a long distance not available when you use traditional copper media. To achieve this increased level of protection, a fiber ring network transmits messages in the two directions of the ring clockwise and counter-clockwise. In Figure 8 , the path from node 1 to node 4 in a counter-clockwise direction is through 2 fiber repeaters A, D.

In a clockwise direction, the path from node 1 to node 4 is though 4 fiber repeaters A, B, C, D. We refer to the longer path as the worst-case delay path.

In the above example, the RPFRXL fiber repeater for node 4 would automatically detect the packet that arrives on a channel first, and disregard the second packet. You can use RSNetWorx for ControlNet software to determine whether or not your system meets the network parameter requirements. If RSNetWorx is unable to schedule the network due to errors, make the necessary changes.

Changes might include inserting the correct media lengths and number of repeaters or increasing RPI, so the software can calculate the correct network parameters and download them to the keeper. You must set the SMAX parameter at least one node number higher than the highest-used scheduled node number. For example, on a network with 49 scheduled nodes with 49 being the highest-used scheduled node number , you must set SMAX to at least In this example, node number 50 is an unused scheduled node number.

This unused node address must be the highest available scheduled node number. Be sure to use the correct connectors on the end of your fiber cable for the best optical and mechanical connections. Each product is supplied with non dangereux. See page 11 for more details. TIP Horizontal mounting is preferred. Vertical mounting is allowed.

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