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Publication CNET-IN002A-EN-P - December 2001

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Содержание Allen-Bradley ControlNet 1786 Series

Страница 1: ...ControlNet Coax Media Planning and Installation Guide 1786 series Installation Instructions...

Страница 2: ...this publication Allen Bradley publication SGI 1 1 Safety Guidelines for the Application Installation and Maintenance of Solid State Control available from your local Allen Bradley office describes so...

Страница 3: ...oax Media System Chapter 3 Reference Mount dimensions taps and universal mounting bracket Appendix A Maintain the Cable Strip Tool Appendix B IMPORTANT We assume that you understand the fundamentals o...

Страница 4: ...s 512 authorized distributors and 260 authorized systems integrators located throughout the United States alone plus Rockwell Automation representatives in every major country in the world Local Produ...

Страница 5: ...ed member go to http www ab com mem technotes techmain html Your Questions or Comments about This Manual If you find a problem with this manual please notify us of it on the enclosed How are We Doing...

Страница 6: ...Publication CNET IN002A EN P December 2001 4 Notes...

Страница 7: ...Components 1 2 Nodes 1 3 Taps 1 3 Trunk Cable 1 4 Cable Connectors 1 4 Segments 1 5 Repeaters 1 5 Links 1 6 Bridge 1 6 Network 1 7 What s Next 1 7 Chapter 2 Plan a ControlNet Coax Media System What s...

Страница 8: ...t Your Tools 3 6 Locally Available Tools 3 7 Calibrate the Cutting Blades 3 7 Strip the Cable 3 9 Attach the Connectors to the Cable 3 14 Test for Electrical Shorts and Continuity 3 18 Connect Cable S...

Страница 9: ...ur network before assembling any of the hardware Use the following figure and term definitions to understand the ControlNet cable system For information about this topic See page Understand the Contro...

Страница 10: ...quires a network address in order to function on the network a link may contain a maximum of 99 nodes this address must be in the range of 1 99 and be unique to that link repeater a two port active ph...

Страница 11: ...etwork address in order to function on the network Taps Taps connect each node on a network to the Coax media system via an integral 1m 39 6 drop cable There are four taps available with a T or Y plac...

Страница 12: ...6 type Coax There are also several types of special use cables you can use depending on the environment in which you are installing your cable system Cable Connectors A cable connector cat no 1786 BNC...

Страница 13: ...nfiguration go off in multiple directions from one point The number of repeaters and cable length total is limited depending on your network topology Refer to Chapter 2 of this manual for information...

Страница 14: ...forming a segment multiple segments connected together via repeaters Each node in a link must have a unique address in the range of 1 99 Bridge A bridge is a device used to connect links N N N N N N...

Страница 15: ...peater adapters repeater modules and bridges What s Next Now that you have a general understanding of the ControlNet cable system you are ready to design a ControlNet cable system for your specific re...

Страница 16: ...Publication CNET IN002A EN P December 2001 1 8 Overview of The ControlNet Coax Media System Notes...

Страница 17: ...date you should order and install the cable and connectors for these additional nodes when you install For information about this topic See page Determine the Number of Taps You Need 2 1 Connect Prog...

Страница 18: ...able per segment for maintenance purposes Be sure to keep the dust cap on any unconnected drop cable If your cable system requires more than one unconnected drop cable unused drop cables should be ter...

Страница 19: ...network dust cap screws tap 1786 TPS TPR TPYS TPYR TCT2BD1 For noise suppression ferrite beads are molded on the drop cable ControlNet cable labels TNC or BNC connector universal mounting bracket 300...

Страница 20: ...15 communication card on Coax media 1784 KTCX15 communication card and NAP Using a 1770 KFD15 communication interface on Coax media Using a 1770 KFC15 communication interface on Coax media node PC PC...

Страница 21: ...is cable type 1 light industrial applications Standard PVC CM CL2 heavy industrial applications Lay on Armoured and Interlocking Armour high and low temperature applications as well as corrosive areas...

Страница 22: ...h flex RG 6 cable 1786 RG6F you can use in a system is less than the amount of standard RG 6 cable so you should keep high flex cable use to a minimum Use BNC bullet connectors to isolate areas that r...

Страница 23: ...ications allow The maximum number of addressable nodes per link not counting repeaters is 99 Since repeaters do not require an address they do not count against the total of 99 If each segment is less...

Страница 24: ...aters 5 in a series and length of the media used between any two nodes Refer to the Installation Instructions that shipped with your repeater for an example series toplogy drawing ATTENTION Do not pow...

Страница 25: ...Installation Instructions that shipped with your repeater for an example parallel toplogy drawing Install Repeaters in a Combination of Series and Parallel You can install repeaters in a combination o...

Страница 26: ...e the Allen Bradley ControlNet Cable System Component List publication AG 2 2 for a complete list of part numbers Use this connector To cable connector attach trunk cable sections to a tap s BNC or TN...

Страница 27: ...dundant media cable enters and exits from the side barrel connector In this example ControlNet cable enters and exits the panel enclosure from the side using isolated bulkhead connectors contains two...

Страница 28: ...N002A EN P December 2001 2 12 Plan a ControlNet Coax Media System In this figure the redundant cable trunk cable is trunk cable B trunk cable A trunk cable B 20134 m node1 node1 node1 1 Node supportin...

Страница 29: ...orresponding trunk cable Both trunk cables trunk cable A and trunk cable B of a redundant cable link must have identical configurations Each segment must contain the same number of taps nodes and repe...

Страница 30: ...ce versa This makes cable fault indications on the hardware or in software difficult to interpret and makes locating a bad cable segment very difficult trunk cable A trunk cable B 20135 m node1 node1...

Страница 31: ...t to minimize electrical noise inputs to controllers from external sources in IEEE standard 518 1982 When planning your cable system take into account certain installation considerations depending on...

Страница 32: ...its entire length and must be bonded to the enclosure at the entry point For more information on general wiring guidelines see the following publications Category Includes 1 ac power lines high power...

Страница 33: ...rge Suppression Transient electromagnetic interference EMI can be generated whenever inductive loads such as relays solenoids motor starters or motors are operated by hard contacts such as pushbutton...

Страница 34: ...tie wraps A cable transient EMI induced onto the cable can be suppressed by a ferrite bead located near the end of the cable The ferrite bead will suppress the EMI before it enters the equipment conn...

Страница 35: ...other unconnected drop cables avoid high noise environments when routing cables Link Planning maximum of 99 nodes excluding repeaters repeaters require a tap but are not counted as nodes they are inc...

Страница 36: ...et nodes number of programming devices cable connector Two cable connectors are shipped with each tap you need to order additional cable connectors for each bullet and isolated bulkhead connector you...

Страница 37: ...Cable Connectors 3 6 Collect Your Tools 3 6 Calibrate the Cutting Blades 3 7 Strip the Cable 3 19 Attach the Connectors to the Cable 3 14 Test for Electrical Shorts and Continuity 3 18 Connect Cable...

Страница 38: ...To mount the taps you select where you want to mount the taps based on the topology design that you planned in Chapter 2 of this manual mount the taps Select Where To Mount The Taps There is no spaci...

Страница 39: ...t taps Y tap and T tap to a universal mounting bracket and then mount the tap and bracket as an assembly through the body holes in the tap using screws and flat washers a tie wrap Mount a Tap With a U...

Страница 40: ...the proper length and head style 20084 m Y Tap T Tap dust cap dust cap Mount the universal mounting bracket on specified Allen Bradley mounting rails or DIN rails 3 style symmetrical 35mm X 7 5mm Use...

Страница 41: ...uctions publication 1786 IN013A EN P for instructions on installing the repeater adapter You can use a variety of screw types 20083 m body holes body holes tie wrap screws and flat washers ATTENTION D...

Страница 42: ...CTK To See page collect your tools 3 6 calibrate the cutting blades 3 7 strip the cable 3 9 attach the cable connectors 3 14 test for electrical shorts and continuity 3 18 wire cutters crimp tool kni...

Страница 43: ...with the narrow end installed and facing forward for FEP cable use the wider end for PVC 3 Tighten the chamber gauge ring so that the calibration tool is locked in place Close all the way to the chamb...

Страница 44: ...center conductor The first cut should cut the outer sheath without cutting the outer wire braid If the braid is frayed scored or cut by the blade adjust the blade outward slightly to eliminate the fr...

Страница 45: ...holder see Appendix B 2 Straighten out the end of the cable ATTENTION Be certain to perform the calibration procedure the first time you use the tool and every time you change the blade or both memor...

Страница 46: ...mately 25 4mm 1 of extra cable extends beyond the edge of the tool 4 Lock the cable into place by moving the chamber gauge ring forward until it meets the cable with slight resistance 25 4 mm 1 extra...

Страница 47: ...7 corrosion resistant connectors slide the heat shrink tubing over the cable c Slip the crimp ferrule onto the cable Push it back to the sheath area of the cable to keep it out of the way for the mome...

Страница 48: ...you are using plenum FEP cable cut off an additional 3 1mm approximately 1 8 of the outer sheath with the knife from the toolkit TIP If you do not see the three distinct layers of cable or if the out...

Страница 49: ...ble only T tap PVC Cable 4 0 mm 3 7 mm 8 3 mm Use this end of the calibration tool to verify proper measurements for FEP cable The center conductor should be 4 0 mm exactly If the center conductor is...

Страница 50: ...the end and strip the cable again You may need to adjust the appropriate striper blade by backing the set screw out 1 8 of a turn Do not crimp the BNC to a damaged braid This type of mistake accounts...

Страница 51: ...he cable 41890 Push the flare calibration tool gently and rotate slightly onto the connector while applying pressure This will work the base of the connector underneath the wire braid slowly 41903 The...

Страница 52: ...e shoulder on the connector 6 Using the crimp tool crimp the ferrule Position the crimp tool on the ferrule as close as possible to the connector base and ferrule meeting line Press the tool tightly a...

Страница 53: ...old the cable assembly approximately 2 inches away from the heat exhaust area of the heat gun while shrinking the tubing d Continuously rotate the cable assembly around the heat exhaust area of the he...

Страница 54: ...end of the cable to the port on top of the Media Checker 2 As a secondary method you can also use an ohmmeter or continuity tester to test for a short between the connector body and pin 3 Use shorting...

Страница 55: ...ical continuity Connect Cable Sections Connect the cable sections to the tap s BNC connectors If resistance reading indicates Then that a short exists continue to next section there is no short use yo...

Страница 56: ...these unterminated ends and interfere with transmission To eliminate signal reflections from the ends of the segment you must attach a 75 terminator to the first and last taps on the segment The term...

Страница 57: ...pter on a ControlNet link through the network access port NAP 1 Connect one end of the 1786 CP cable to the NAP on the front of the ControlNet node To connect a See programming terminal through the NA...

Страница 58: ...ese connections could result in network failures ATTENTION Do not allow any metal portions of the tap to contact any conductive material This contact can cause noise on the network If you disconnect t...

Страница 59: ...ated tap s straight or right angle connector to the BNC connector on the repeater 4 Remove and save the dust cap located on the straight or right angle connector of the designated tap on the second se...

Страница 60: ...Publication CNET IN002A EN P December 2001 3 24 Install a ControlNet Coax Media System Notes...

Страница 61: ...Appendix Use these mounting dimensions to mount your taps universal mounting brackets and repeaters Taps Make copies of these templates as necessary to help you mark placement for your taps T tap Y ta...

Страница 62: ...Publication CNET IN002A EN P December 2001 A 2 Mounting Dimensions Universal Mounting Bracket 58 42 mm 2 30 49 53 mm 1 95 15 47 mm 0 609 9 53 mm 30 94 mm 1 128 19 05 mm 0 75 20170 m...

Страница 63: ...he following tasks on the cable strip tool supplied with the ControlNet Coax Toolkit 1786 CTK Reverse Replace the Cutting Blades To reverse or change the cutting blades 1 Use a screwdriver to lift the...

Страница 64: ...memory blade cartridge out of the strip tool 3 Flip the memory blade cartridge and slide it back into the strip tool Go to step 5 20183 m If you are Go to reversing the memory blade cartridge to use t...

Страница 65: ...on top as you slide the cartridge in 5 Swing the memory blade holder closed Change the Memory Blade Holder You received two memory blade holders with your cable strip tool one is for PVC CL2 cable and...

Страница 66: ...intain the Cable Strip Tool 2 Snap the memory blade holder off the rod and remove it from the strip tool 3 Position the appropriate memory blade holder on the rod and snap the holder into place 4 Swin...

Страница 67: ...number of taps 2 1 number of terminators needed 2 7 trunk cable section lengths 2 5 type of cable connectors needed 2 10 ferrite beads 2 18 installing cable connectors 3 6 trunk cable 3 2 link 1 1 1...

Страница 68: ...directive compliance 3 6 installed in parallel 2 9 installed in series 2 8 installed in series and parallel 2 9 repeater configurations installed in parallel 2 9 installed in series 2 8 installed in...

Страница 69: ...20 testing for shorts and continuity 3 18 wiring external to enclosures 2 17 3 2 wiring inside enclosures 2 17 3 2 trunk cable section 1 2 1 4 2 5 3 19 U universal mounting bracket mounting dimensions...

Страница 70: ...Publication CNET IN002A EN P December 2001 4 Index...

Страница 71: ...Completeness all necessary information is provided 1 2 3 Can we add more information to help you procedure step illustration feature example guideline other explanation definition Technical Accuracy a...

Страница 72: ...NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 18235 CLEVELAND OH POSTAGE WILL BE PAID BY THE ADDRESSEE 1 ALLEN BRADLEY DR MAYFIELD HEIGHTS OH 44124 9705 PLEA...

Страница 73: ......

Страница 74: ...Publication CNET IN002A EN P December 2001 1 PN 955135 80 Supersedes Publication 1786 6 2 1 April 1998 2001 Rockwell International Corporation Printed in the U S A Back Cover...

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