Home

DN-6.7.2, DeviceNet Cable System, Planning and Installation Manual

1. power section 1 Supply section 2 86m 158m 282 ft 127m 518 180 1 417 ft im 85m 31 279 ft T 1 L L T TR D1 D2 D3 D4 D5 D6 1 10 1 25 0 504 0 254 0 25 0 25 TR terminating resistor T T Port tap PowerTap 0 41858 Results E 4 Add each device s current together in section 1 1 10 1 25 0 50 2 85A 5 Add each device s current together in section 2 0 25 0 25 0 25 0 75A 6 Find the value next largest to each section s length using Figure 1 bn page to determine the maximum current allowed for each section approximately Section 1 100m 2 934 Section 2 160m 1 89A Important Section 1 Section 2 lt 3 6A This is lt 4A for NEC CECode compliance However if due to derating of the power supply you had to use over a 4A power supply you would exceed the NEC CECode maximum allowable current Section 1 is operational since the total current does not exceed the maximum current 2 85 lt 2 93 Section 2 is operational since the total current does not exceed the maximum current 0 75 lt 1 89A Adjusting the Configuration To make the system operational you can move the power supply in the direction of the overloaded section move higher current loads as close to the supply as possible move devices from the overloaded secti
2. 1 16 Get Started Round media Flat media wiring terminal block One Power Supply wiring terminal block open style connector dn Wire Wire Usage Usage Color Identity Round Flat CAN L drain y white CAN signal signal V A V 17 ao blue signal signal bare drain shield black V power power P red V power power 777 1 0 120Vac Vo V power supply grd __ typical 777 power supply 40186 41677 enclosure micro style connector may be used power supply connections requiring less than 4A Use open style connectors for up to 8A Two or more Power Supplies for Round Media CAN H CAN L drain c V ay d 0 V broken between power supplies V only one ground 77 power supply power supply Two or more Power Supplies for Flat Media jumper adm CAN H CAN L V V Y broken between power supplies V a V _y 7 power supply A only one ground 40178 DN 6 7 2 May1999 enclosure Get Started 1 17 Use this checklist when you install the DeviceNet network You should complete this checklist prior to applying power to your network 9 Usethe checklist Total device network current draw does not exceed power supply 1 current limit Common mode voltage drop does not exceed limit Number of Devic
3. lt gt 551515151515 51515 5 o ES gt x x l l l l 6 Ja o c m wwa oml ts o HK ce wo 1 8 5 oo olo o o oa lt 0 Exceeds NEC CL2 CECode 4 limit DN 6 7 2 May 1999 4 10 Determine Power Requirements Figure 4 7 One Power Supply End Segment Round Cable Thin NEC CE Code Maximum Current Limit Current amperes 0 0 10 33 20 66 30 98 40 131 50 164 60 197 70 230 80 262 90 295 100 328 Length of trunk line meters feet 41937 Network Maximum Length Current m ft 0 0 3 00 10 33 3 00 20 66 30 98 2 06 40 131 1 57 50 164 1 26 60 197 1 06 70 230 0 91 80 262 0 80 90 295 0 71 100 328 0464 DN 6 7 2 May 1999 Results Determine Power Requirements 4 11 One Power Supply End Connected The following example uses the look up method to determine the configuration for one end connected power supply One end connected power supply provides as much as 8A near the p
4. One Power Supply End Connected One Power Supply Middle Connected Appendix A What sin This Appendix Specifying Article 725 Topics Round Thick amp Thin and Class 2 Flat Media Class 1 Flat MOOR aten Appendix B Wide Available Voltage B 1 Noise or Transient Protection B 2 Chapter 1 Get Started What s in This Chapter This chapter introduces the DeviceNet cable system and provides a brief overview of how to set up a DeviceNet network efficiently The steps in this chapter describe the basic tasks involved in setting up a network Set Up a DeviceNet Network The following diagram illustrates the steps that you should follow to plan and install a DeviceNet network The remainder of this chapter provides an overview and examples of each step with references to other sections in this manual for more details Supply power refer to page Basic DeviceNet Network 5 Use the checklist refer to page UM 1 Understand the media Refer to page 1 4 refer to page 1 4 2 Terminate the network Refer to page 3 Supply power Refer to 1 8 Terminate the 4 Ground the network Refer to page refer to page i d 5 Use the checklist Refer to 1 17 gt
5. Cat No DN 6 7 2 Pub No DN 6 7 2 Pub Date May 1999 Part No 955132 80 Check Problem s Type Describe Problem s Internal Use Only Technical Accuracy text illustration Completeness procedure step illustration definition info in manual What information is missing example guideline feature accessibility explanation other info not in Clarity What is unclear Sequence What is not in the right order Other Comments Use back for more comments Your Name Location Phone Return to Marketing Communications Allen Bradley 1 Allen Bradley Drive Mayfield Hts OH 44124 6118Phone 440 646 3176 440 646 4320 Publication ICCG 5 21 August 1995 PN 955107 82 PLEASE FASTEN HERE DO NOT STAPLE Other Comments PLEASE FOLD HERE BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 18235 CLEVELAND POSTAGE WILL BE PAID BY THE ADDRESSEE 6 Rockwell Automation Allen Bradley 1 ALLEN BRADLEY DR MAYFIELD HEIGHTS OH 44124 9705 NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES PLEASE REMOVE Numerics 10 pin linear plug 5 pin linear plug 1 5 A adequate power worst case scenario adjusting the configuratio audience 7 auxiliary power cable diagram 3 13 installatio C cable installation KwikLin
6. black black H 68 83 1 94 in white blue 2 71 in drain red red drain blue white black m Micro T Port tap 1485P P1R5 DR5 17mm 10 mm 0 70 in 0 39 in j lt female connectors 2 1 mm 3 0 92 in Male pins Female sockets 40 mm 1 58 in 1 Drain bare 2 V red C Y 3 V black 4 CANH white 5 CANL blue gt connector 30164 DN 6 7 2 May 1999 2 6 Identify Cable System Components 2 Port DeviceBox Tap Thick trunk 1485P P2T5 T5 Thin trunk 1485P P2T5 T5C 67 mm 2 6 in PowerTap tap 1485T P2T5 T5 About the DeviceBox Tap DeviceBox taps use round media only for a direct connection to a trunk line They provide terminal strip connections for as many as 8 nodes using thin cable drop lines Removable gasket covers and cable glands provide a tight sealed box that you can mount on a machine Order DeviceBox taps according to the trunk type thick or thin 4 Port DeviceBox Tap 8 Port DeviceBox Tap Thick Trunk 1485P P4T5 T5 Thick Trunk 1485P P8T5 T5 Thin Trunk 1485P P4T5 T5C 67 mm 67 mm 26n 1 J 190 48
7. 4 18 resistor connection verification 1 6 resistors usage definition 1 6 rise time power supply 1 8 round cable wire contents 1 2 5 safety guidelines 2 sealed device connecting to KwikLink micro t port tap 2 14 sealed terminating resistor KwikLink NEMA rating 1 7 sealed style connector attaching to trunk line 3 3 micro style 1 5 mini style 1 5 B 8 single power supply minimum name plate current 1 9 software DeviceNet Assistant 2 1 spool size thick cable 2 2 thin cable 2 3 supplying power guidelines 1 8 system curreni4 18 making operational 4 13 table maximum current loading segments 4 18 taps DeviceBox 2 6 connecting to installing 3 3 81 hard wire DeviceBox 3 4 installing Power Tap diagram 3 fusing 3 5 installing 3 3 5 NEC CECode current boost configuration 4 14 2 5 connecting td2 12 techniques used in manual 8 temperature drifi 1 8 terminating trunk line terminating resistor endcap KwikLink 1 7 flat cable definition 1 6 round cable definition 1 6 usage definition terminating resistors KwikLin 1 7 thick cable current 1 definition 1 2 description 2 2 diagram 2 2 preterminated descriptio diagram 2 12 rating size spool total allowable current 1 8 thin cable current 1 definition 1 2 description 2 3 diagram 2 3 preterminated
8. aL 1 9 in s D B 197 mm 197 7 8 9 P 209 a of 8 2 in e IB 98 3 9 in 3 9 in 41836 About the PowerTap The PowerTap can provide overcurrent protection to the thick cable 7 5A for each trunk Country and or local codes may prohibit the use of the full capacity of the tap You can also use the PowerTap tap with fuses to connect multiple power supplies to the trunk line without back feeding between supplies PowerTap taps are only used with round media screw 5 16 Ib sub assembly PCB e PG16 cable grips E enclosure DN 6 7 2 May 1999 schematic Wire Wire Use Color identity 98mm white CAN H signal 3 9in y blue CAN L signal 111mm bare drain shield 4 4 in black V power red V ower V LL power supply 41837 Identify Cable System Components 2 7 In cases in which the power supply provides current limiting and inherent protection you may not need fuses overcurrent devices at the tap About the DevicePort Tap DevicePort taps are multiport taps that connect to a round or flat media trunk line via drop lines DevicePorts connect as many as 8 devices to the network through mini
9. R 1 1 I PT 1 1 1 01 02 03 04 05 06 2 25 1 50 2 00 0 25 1 004 0 30A terminating resistor T T Port tap PT PowerTap D device 41862 1 Determine the trunk line length of one end section for this example we will use section 3 122m 2 Add each device s current together in section 3 0 25 1 00 0 30 1 55 3 Find the value next largest to the length of section 3 using Figure 4 3 page to determine maximum current allowed approximately 140m 3 404 Important If the total current in the section exceeds the maximum current move the power supply closer to the end and repeat steps 1 3 until the total current in the section is less than the maximum allowable current Since the total current does not exceed the maximum current section 3 will Results gt operate properly 1 55 lt 3 404 Loading is 4646 1 55 3 40 DN 6 7 2 May 1999 Determine Power Requirements 4 17 4 Determine the trunk line length of the other end section section 1 76m 5 Add each device s current together in section 1 2 25 6 Find the value next largest to the length of section 1 using Figure page to determine the maximum current allowed approximately 80m 3 59A Important If the total current in the section exceeds the maximum current move the power supply closer to the end and repeat steps 4 6 until the total current in the section is l
10. n Allen Bradley DeviceNet Cable System Planning and Installation Cat No DN 6 7 2 Manual DeviceNet Important User Information Because of the variety of uses for the products described in this publication those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Allen Bradley does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in 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 some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or part without written permission of Rockwell Automation is prohibited Throughout this manua
11. 8 Class current boost configuration example section 725 NEC 5 power conductors 4 2 NEC specifications class 1 cable 4 1 class 2 cable 4 2 NEC CECode current boost configuration 4 14 NEMA rating KwikLink terminating resistor sealed unsealed network length maximum current end segment two power supplies round cable thic one power supply KwikLink end segment 4 5 round cable thin 4 10 two power supplies 6 KwikLink 4 9 KwikLink cable 4 7 noise or transient protection output Powell noise protection powering output devices 4 1 0 one power supply configuration middle connected 4 12 current chart end segment round cable thin 4 10 open device connecting to KwikLink micro t port tap 2 14 open style connector attaching to trunk line 3 2 fixed 1 5 2 4B 8 hard wire 3 8 plug in 1 5 p 4 8 8 open style connectors installation 3 2 open style KwikLink installation drop cable 3 11 output device relevant node voltage rangd B 1 output devices DN 6 7 2 May 1999 DN 6 7 2 May 1999 minimum required operating voltage powering 1 output power hydraulic solenoid valves B 1 motor starter coils B 1 noise or transient protection B 2 pneumatic valved T parallel application power supplies 1 9 pluggable screw connector installation 3 2 plug in connector open style 1 5 pneumatic valves output power B I
12. DN 6 7 2 May 1999 Wire Wire Use Color identity white CAN signal blue signal bare drain shield black V power red V power Make Cable Connections 3 5 How to Install PowerTap Taps The PowerTap tap contains terminal blocks that connect the trunk line conductors and the input from a power supply It is used only with round media Gland nuts secure cables to the PowerTap enclosure Important As you make the attachments inside the tap be certain e that conductors inside the enclosure loop around the fuses for easy access to the fuses e the bare conductor is insulated in the enclosure with the insulating tubing supplied in the accessory kit e the blue plastic covers are firmly attached to the fuse assemblies before applying power Important The two fuses used in the PowerTap tap are 7 5A fast acting automotive type which you can order from your local fuse supplier ACT type To attach a PowerTap 1 Cut and strip the thick cable back approximately 100 mm 4 in 100 mm 4 in 41847 2 Loosen the gland nut E 41757 3 Insert the cable into the PowerTap through the large cable gland until approximately 3 mm 0 12 in of the cable jacket protrudes 4 Cable used for inpu
13. 04 200 x 0 0045 1 x 0 005 x 0 25 0 23 0 254 05 B 400 x 0 0045 2 x 0 005 x 1 5 2 72V 1 5A D6 C 800 x 0 0045 3 x 0 005 x 0 5 1 81 0 5A 4 Add each device s voltage together to find the total voltage for section 2 0 23 2 72 1 81 2 4 76V the total voltage in section 2 exceeds 4 65 the system will not operate properly 4 76V gt 4 65V Results Attempt to correct this overload by moving the power supply 91m 300ft toward the overloaded section Now there are four devices in section 1 and two devices in section 2 Once you ve moved the power supply try the calculations again power section 1 Supply section 2 835m 1100ft 213m 400 ft 500 ft 30m 30m 100 ft 100 ft ec 1 1 i E 721 04 03 02 01 05 06 0 25 0 25 0 25 0 25 1 5 0 5 terminating resistor T T Port tap PT PowerTap D device 41859 1 Find the voltages for each device in section 1 using the equation for thick cable SUM L x 0 0045 N x 0 005 x In lt 4 65V A 100 x 0 0045 1 x 0 005 x 0 25 0 11V B 400 x 0 0045 2 x 0 005 x 0 25 0 45 m C 700 x 0 0045 3 x 0 005 x 0 25 0 797 D 1100 x
14. lt lt gt 4 gt gt So lt lt lt 09 0 0 lt lt lt lt lt Bt ES x ojo I o 1 lt N 9 2 e ee x al 12 102 PM o Exceeds CL2 CECode limit DN 6 7 2 May 1999 4 9 Determine Power Requirements Figure 4 6 Two End Connected Power Supplies KwikLink Cable Flat 5 Juang 2 00 262 394 99 787 919 10580 1181 1312 131 41936 Length of trunk line meters feet E 55 l In la l Ixa do N o Sorts 06 6 v _ _ _ _ rl
15. Power Supp ly drop lines 5 X Jot D TR This figure shows a basic DeviceNet network and calls out its basic components ho device or node terminating resistor Checklist 41829 DN 6 7 2 May1999 1 2 Get Started 1 Understand the media You must terminate the trunk line at both ends with 121 Ohms 1 1 4W terminating resistors All Allen Bradley media including KwikLink meets or exceeds the specifications defined in the ODVA DeviceNet Specification Wire Wire Usage Usage Color Identity Round Flat white CAN H signal signal blue signal signal a bare drain shield n a black V power power V power power DN 6 7 2 May1999 Understand the Topology The DeviceNet cable system uses a trunk drop line topology um line drop line device or node TR terminating resistor Understand the Cable Options 486 E You can connect components using three cable options Use this cable Round thick For The trunk line on the DeviceNet network with an outside diameter of 12 2 mm 0 48 in You can also use this cable for drop lines Round thin The drop line connecting devices to the main line with an outside diameter of 6 9 mm 0 27 in This cable has a sm
16. power determining using look up method 1 11 3 limitations 1 power cable diagram KwikLin KwikLink installation 3 13 power conductors NEC regulations 4 2 power supplies adjusting 4 13 choosing 1 8 Class 2 1 connecting initial setting markin multiple parallel applications 1 9 one end connected examplej4 11 H 19 rating 4 11 middle connected example 4 12 4 20 rating 4 12 two end connected example 4 15 not end connected example 4 16 segment between 4 10 power supply current chart end segment KwikLink 4 5 rise time 1 8 power usage determining adequate power 4 3 powering output DeviceNet power supply noise protectio transient protectio PowerTap tap description 2 6 diagram 2 6 3 6 fusing installing NEC CECode current boost configuration 4 14 schematic 2 6 preparing cable preterminated cables thick cable 2 12 thin cabld 2 12 connecting to a DeviceBox tap stripped conductors to micro femald 2 13 stripped conductors to mini femald 2 13 connecting to a DevicePort tap micro male 90 to micro female 2 13 micro male 90 to mini female 2 13 connecting to a T Port tap mini male to micro female mini male to mini female R rating drop line 1 9 thick cable regulation line load 1 8 related publications 8 relevant node output device voltage 1 resistance nominal
17. 250m 820 ft 100m 328 ft 500k bit s 75m 246 ft 100m 328 ft 100m 328 ft terminating resistors However if the distance from a trunk line tap to the farthest device connected to the trunk line is greater than the distance from the tap to the nearest terminating resistor TR then you must include the i i i For most cases the maximum distance should be the measurement between drop line length as part of the cable length Measure the distance between the terminating resistors drop 1m 3 281 ft If the distance from the TR to the last tap is greater than the distance of Always use the longest distance the drop then measure from the TR between any 2 nodes of the network Measure both drops and across the trunk 3m 9 843 ft 3m 9 843 ft If the distance from the TR to the last tap is less than the distance of the drop then measure from the device 5m 16 405 ft gt 5m 16 405 ft 41647 DN 6 7 2 May1999 1 4 Get Started The data rate you choose determines the trunk line and the cumulative length of the drop line The maximum cable distance from any device on a branching drop line to the trunk line is 20 ft o DN 6 7 2 May1999 Determine the Cumul
18. 6 86 100 328 8 00 320 1050 643 120 394 8 00 340 1115 6 06 140 459 8 00 360 1181 572 160 525 8 00 380 1247 5 43 180 591 8 00 400 1312 5416 200 656 8 00 420 1378 491 Exceeds NEC CL2 CECode 4 limit Segment SupplyB a i 1 A i io 41934 Network Maximum Network Maximum Length Current Length Current m ft A m ft A 0 0 8 00 220 722 2 08 20 66 8 00 240 787 1 91 40 131 8 00 260 853 1 76 60 197 7 52 280 919 1 64 80 262 5 67 300 984 1 53 100 328 4 55 320 1050 1 43 120 394 3 80 340 984 1 35 140 459 3 26 360 1050 1 28 160 525 2 86 380 1247 1 21 180 591 2 54 400 1312 1 19 200 656 2 29 420 1378 1 09 Exceeds NEC CL2 CECode 4 limit DN 6 7 2 May 1999 Determine Power Requirements 4 8 Figure 4 5 Two End Connected Power Supplies Round Cable Thick 4 4 4 34 34 34 34 4 4 35 34 3 3 5 5 3 ow 6 Juang 0 00 60 137 0 0 591 787 984 1181 1378 1575 Length of trunk line meters feet 394 41935 5 o rt o le lt lt N N N N N _ _ 2 0 lt
19. If the cable is not in the correct position the connector will not close 30475 M DN 6 7 2 May 1999 3 10 Make Cable Connections 3 Make sure the cable is straight before moving on to step four Ei 30492 M ATTENTION You must make sure the cable is straight before tightening the screws Improper seating of the cable may cause a weak seal and impede IP67 requirements 4 Tighten down the two screws at the center points of the hinge and latch sides of the base tighten down the latch side first Take care to avoid stripping ample torque should be 5 56 15 in lbs Mount the base to the panel by driving screws through the corner holes not containing the metal inserts position prior to tightening the screws 7 Tighten screws by the latch first 5 Drive the IDC contacts into the cable by tightening down the two screws in the center of the base assembly Once again be careful to avoid stripping ample torque should be 5 56 15 in lbs Check the cable 30476 M The module should not be removed after connection is made Determine the exact placement of the connector before engaging the IDC contacts ATTENTION Once the IDC contacts are driven into the cable the module should not be removed 30477 M DN 6 7 2 May 1999 Wire Wire Use Flat Color identity white C
20. end node uses a sealed T port tap the resistor may be open when the end node uses an open style tap For flat cable the resistor is a snap on cap for the KwikLink connector base To verify the resistor connection disconnect available and unsealed versions power and measure the resistance across the Can_H and Can_L lines blue and white wires should be approxi You must attach a terminating resistor equal to 120 ohms 5 or greater or 121 ohms 1 1 4W to each end of the trunk cable You must connect m these resistors directly across the blue and white wires of the DeviceNet Do not put a terminating resistor on a node with bl non removable connector If you do so you 80 risk network failure if you remove the node You must put the resistor at the end of the trunk line ATTENTION If you do not use terminating resistors as described the DeviceNet cable system will not operate properly The following terminating resistors provide connection to taps and the trunk line sealed style terminating resistors Male or female connections attach to trunk line ends T Port taps Female Side Male Side i sealed male sealed female 1485 1 5 1485A TIN5 mini T Port tap 41854 DN 6 7 2 May1999 Get Started 1 7 open style
21. feet 41932 Network Maximum Network Maximum Length Current A Length Current A m ft m ft 0 0 8 00 220 722 1 31 20 66 800 240 787 1 20 40 131 701 260 853 1 11 60 197 m 280 919 1 03 300 984 0 96 80 262 3 56 320 1050 0 90 100 328 2 86 340 1115 0 85 120 394 2 39 360 1181 0 80 140 459 2 05 380 1247 0 76 160 525 1 79 400 1312 0 72 180 591 1 60 420 1378 0 69 200 656 1 44 Exceeds NEC CL2 CECode 4A limit ff DN 6 7 2 May 1999 4 6 Determine Power Requirements Figure 4 3 Two Power Supplies one end connected one middle connected Two Cable Segments Round Cable Thick 52222222 HAH 5i 2 E S E Current Limit Mid Segment 0 0 40 120 150 200 240 280 320 360 400 440 480 131 394 525 656 787 919 1050 1181 1312 1444 1575 Total Length of trunk line meters feet 41933 Power Supply A Power Supply B Network Maximum Network Maximum Network Maximum Network Maximum Length Current Length Current Length Current Length Current m ft A m ft A m ft m ft A 0 0 8 00 260 853 _ 8 00 0 0 8 00 260 853 1 89 20 66 8 00 280 919 7 69 20 66 8 00 280 919 1 76 40 131 8 00 300 984 721 40 131 8 00 300 984 1 64 60 197 8 00 32
22. into the actual current 20 JI 1 2 85A 2 25 0 60A 79 2 25A 2 85A 2 3 83A 3 50 0 33A 91 3 50A 3 83A 3 1 70A 1 55 0 15A 9196 1 55A 1 70A Use the Full calculation Method Use the full calculation method if your initial evaluation indicates that one Using the Equation section is overloaded or if the requirements of your configuration cannot be met by using the look up method Important Before constructing the cable system repeat all calculations to avoid errors A supply that is not end connected creates two sections of trunk line Evaluate each section independently SUM L x x 0 005 x Ip lt 4 65V Term Definition L The distance m or ft between the device and the power supply excluding the drop line distance n The number of a device being evaluated starting with one for the device closest to the power supply and increasing by one for the next device The equation sums the calculated drop for each device and compares it to 4 65V Thick cable Metric 0 015 English 0 0045 Q ft Thin cable Metric 0 069 English 0 021 Flat Cable Metric 0 019 English 0 0058 Q ft The number of taps between the device being evaluated and the power supply For example e when a device is the first one closest to the power supply this number is 1 e when a device has one device between it and the power supply this number is
23. limit protection as per national codes such as NEC Article 725 Important The dc output of all supplies must be isolated from the ac side of the power supply and the power supply case If you use a single power supply add the current requirements of all devices To determine the required power supply current drawing power from the network This is the minimum name plate current 1 Add the current requirements of all rating that the power supply should have We recommend that you use the devices drawing power from the Allen Bradley 24V dc power supply 1787 DNPS to comply with the Open network DeviceNet Vendor Association ODVA power supply specifications and ii Class 2 characteristics if applicable 2 Addan additional 10 to this total to allow for current surge About Power Ratings e g 6 3A x 1096 6 93A Although the round thick cable and Class 1 flat cable are both rated to 8A 3 Make sure the total of 2 is less than the minimum name plate current of the cable system can support a total load of more than 8A For example a the power supply you are using 16A power supply located somewhere in the middle of the cable system can e g 6 3A lt 8A and NEC CECode supply 8A to both sides of the PowerTap It can handle very large loads as long as no more than 8A is drawn through any single segment of the trunk line However cable resistance may limit your application to less than 8A Drop lines th
24. nut nut 3m 9 84ft 1485C P3N5 M5 4 m 13 12 ft 1485C P4N5 M5 thick cable 5 m 16 40 ft 1485C P5N5 M5 specified length 10 m 32 81 ft 1485C P10N5 M5 12m 39 36 ft 1485C P12N5 M5 15 m 49 20 ft 1485C P15N5 M5 18 m 59 04 ft 1485C P18N5 M5 OO 41718 About Thin Cable Preterminated thin cable assemblies for use as a drop line are available with various connectors in lengths of 1 2 3 and 5m Preterminated thin cable assemblies can also be used as trunk lines Connecting to a T Port tap from a sealed device Mini Male to Part Number specified length Mini Female device g male plug female plug 9 IP 1m 3 28 ft 1485R P1N5 M5 jf B thin cable 0 2 6 56 ft 1485R P2N5 M5 T Port tap 3 m 9 84 ft 1485R P3N5 M5 4 specified length gt Mini Male to Part Number device g Micro Female 78r plug female plug x 0 1 3 28 1485R P1M5 R5 thin cable 2m 6 56ft 1485R P2M5 R5 Pottap 3m 9 84 ft _ 1485R P3M5 R5 WM 5 m 16 40 ft 1485R P5M5 R5 DN 6 7 2 May 1999 10 Part Number Conductors 1m 3 28ft 1485R P1M5 C 2m 6 56ft 1485R P2M5 C 3m 9 84 ft 1485R P3M5 C Micro Male 90 to Part Number Mini Female 1m 3 28ft 1485R P1N5 F5 2m 6 56ft 1485R P2N5 F5 Micro Male 90 to Part Number Micro Female 1m 3 288 1485R P1R5 F5 2m 6 56ft 1485R P2R5 F5 3m 9 84ft 1485R P3R5 F5 Mini Fema
25. one place For Flat media Ground the V conductor at only one place Do this at the power supply connection that is closest to the physical center of the network to maximize the performance and minimize the effect of outside noise Make this grounding connection using a 25 mm 1 in copper braid or a 8 AWG wire up to a maximum 3m 10 ft in length If you use more than one power supply the V conductor of only one power supply should be attached to an earth ground If you connect multiple power supplies should be broken between the power supplies Each power supply s chassis should be connected to the common earth ground To ground the network Connect the network shield and drain wire to an earth or building ground using 25 mm 1 in copper braid or a 8 AWG wire up to 3m 10 ft maximum in length e Use the same ground for the V conductor of the cable system and the chassis ground of the power supply Do this at the power supply Important For a non isolated device be certain that additional network grounding does not occur when you mount the device or make external connections to it Check the device manufacturer s instructions carefully for grounding information DN 6 7 2 May1999
26. pi gray jacke blue 8 white data pair SD mee eo Tu udi nei bs foamed insulation 18AWG 150 m 492 ft 1485C P1 A150 aluminum polyester shield 19x 5 300 984 f 1485C P1 A350 over each pair copper conductors 18 AWG 19 x 30 tinned copper ed amp black dc power pair 15 AWG 19 500 m 1640 ft 1485C P1 A500 stranded drain wire x 28 tinned amp stranded copper DN 6 7 2 May 1999 conductors 41834 Class 2 Thin Cable Spool Size Part Number 50 m 164 ft 1485C P1 C50 150 m 492 ft 1485C P1 C150 300 m 984 ft 1485C P1 C300 600 m 1968 ft 1485C P1 C600 and Cl2 cables Auxiliary power the blue and white pair and red and black pair are used in the manner shown here Identify Cable System Components 2 3 About Thin Cable Thin cable with an outside diameter of 6 9 mm 0 27 in connects devices to the DeviceNet trunk line via taps Thin cable can be used for trunk lines and drop lines 6 9 mm 0 27in outside diameter 65 coverage tinned copper braid shield polypropylene fillers blue amp white data pair foamed PE PE insulation 24 AWG 19 x 36 tinned amp stranded copper conductors red amp black dc power pair 22 AWG 19 x 34 tinned amp stranded copper conductors 41834 resistant jacke overall mylar tape aluminum polyester shield over each pai 22 AWG 19 x 34 tinned copper stranded drain wire About Flat Cable KwikLink flat cable is physically keyed to p
27. sized for a maximum load Allen Bradley and other suppliers of DeviceNet physical components use the above information to provide components you can use to cable DeviceNet systems The current Allen Bradley Thick cable power conductors are sized to handle at least 8 amps of power However NEC and CEC regulations force this cable to be a CL2 100 VA 4 amp max cable due to the construction of the cable Specifically the insulation on the data pair is a foam PE which will not pass at CL1 burn test As a result any system using a Thick trunk and Thin drop must be a CL2 installation in US and Canada The new Allen Bradley KwikLink trunk cable is rated for CL1 applications and the conductors can carry 8 amps of power As a result when using an Allen Bradley KwikLink trunk the user can work under CL 1 guidelines For more information see Appendix A The DeviceNet specifications provide for both open and closed style wiring terminations You can engineer a wiring system for a DeviceNet installation that lays out a trunk line in accordance with the requirements of the Class 1 guidelines and uses drop lines in accordance with Class 2 guidelines Care must be taken at the point where the two guidelines meet At that point you must put in place a way to limit the energy on each wire to be in accordance with the NEC guidelines In short the energy in the drop line must be limited to no more that 100 VA How you accomplish that is your deci
28. tap 1 power supply VE paeem H 41868 mr B a WB Open style connector 2 9 Open style tap wr device with Lope plug in 0 open style connector zero length drop 41674 41679 WB KwikLink open style connector 2 11 KwikLink micro connector 2 11 CA 30429 30430 DN 6 7 2 May 1999 Identify Cable System Components 2 5 About the T Port Tap The T Port tap connects to the drop line with a mini or micro quick disconnect style connector Mini T Port taps provide right or left keyway for positioning purposes Mini T Ports are also available with a micro M12 drop connection part number 1485 5 5 1 Mini T Port tap Right keyway 1485P P1N5 MN5R1 Left keyway 1485P P1N5 MN5L1 Keying Information Female Connector blue drain drain blue Male Connector End View i Ena view 2 35 05 mm fS 9 white 1 38 in 177 white
29. taps IP67 requirements KwikLink cabld 3 10 K keying information T Port tap 2 5 KwikLink cable installation IDC connector 3 9 connecting to micro t port tap 2 14 connector installation 3 9 end cap installatior 3 12 IDC s 2 11 power cable installation 3 13 use of connectors flat cabled 2 11 Kwiklink cable position 3 10 KwikLink cable diagram 3 9 installation 3 9 IP67 requirement KwikLink connectors diagran 2 11 KwikLink rating class hpplications 4 2 KwikLink terminating resistors 1 7 KwikLink terminator module L line regulation 1 8 linear plug 10 pin 1 5 5 pi load regulation 1 8 loading percentages 4 22 look up method configuration one power supply end connected 4 11 examples NEC CECode current boost 4 14 power supply one end connected 4 11 middle connected 12 two end connected 4 15 not end connecte figures power supply two middle 12 making system operational 4 13 M maximum current loading segments table network length one power suppl KwikLinili 5 round cable thin 4 10 two power supplies 4 6 end segment KwikLin KwikLink cable maximum load class 1 cabld 4 1 class 2 cable 4 2 minimum name plate current rating single power supply 1 9 minimum required operating voltage output asco ET motor starter coils output 1
30. the system approximately 120m 2 474 Result Since the total current does not exceed the maximum allowable current the system will operate properly 0 65A lt 2 474 Important If your application doesn t fit under the curve you may either Do the full calculation method described in Chapted4 Move the power supply to somewhere in the middle of the cable system and reevaluate per the previous section DN 6 7 2 May1999 1 14 Get Started DN 6 7 2 May1999 Connecting Power Supplies To supply power you will need to install and ground the power supplies To install a power supply Important Make sure the ac power source remains off during installation 1 Mount the power supply securely allowing for proper ventilation connection to the ac power source and protection from environmental conditions according to the specifications for the supply 2 Connect the power supply using acable that has one pair of 12 AWG conductors or the equivalent or two pairs of 15 AWG conductor amaximum cable length of 3m 10 ft to the power tap the manufacturer s recommendations for connecting the cable to the supply Get Started 1 15 You must ground the DeviceNet network at only one location Follow the guidelines described below 4 Ground the network ATTENTION To prevent ground loops For Round media Ground the V conductor shield and drain wire at only
31. 0 1050 6 78 60 197 7 38 320 1050 1 54 80 262 8 00 340 1115 641 80 262 571 340 984 1 46 100 328 8 00 360 1181 607 100 328 4 66 360 1050 1 38 120 394 8 00 380 1247 5 76 120 394 3 94 380 1247 1 31 140 459 8 00 400 1312 5 49 140 459 3 40 400 1312 1 24 160 525 8 00 420 1378 5 24 160 525 3 00 420 1378 1 18 180 591 8 00 440 1444 5 01 180 591 2 68 440 1444 1 13 200 656 8 00 460 1509 4 80 200 656 2 43 460 1509 1 08 220 722 8 00 480 1575 47 220 722 2 22 480 1575 1 07 240 787 8 00 500 1640 4 66 240 787 2 08 500 1640 1 05 Exceeds NEC CL2 CECode 4A limit Exceeds NEC CL2 CECode 4A limit DN 6 7 2 May 1999 Current amperes tse Determine Power Requirements 4 7 Figure 4 4 Two Power Supplies one end connected one middle connected Two Cable Segments KwikLink Cable Flat NEC CE Code Maximum Cu rrent Limit FEEL HHHH 160 525 m 47 i Total Length of trunk line meters feet 9 00 6 00 5 00 4 00 1 00 0 0 40 120 131 394 Segment Supply A Network Maximum Network Maximum Length Current Length Current m ft m ft 0 0 8 00 220 722 8 00 20 66 8 00 240 787 8 00 40 131 8 00 260 853 7 91 60 197 8 00 280 919 7 35 80 262 8 00 300 984
32. 0 0045 4 x 0 005 x 0 25 1 24V DN 6 7 2 May 1999 4 22 Determine Power Requirements 2 Add each device s voltage together to find the total voltage for section 1 0 11 0 45 0 79 1 242 2 59V 3 Find the voltages for each device in section 2 using the equation for thick cable SUM L x 0 0045 N x 0 005 x L lt 4 65V 05 A 100 x 0 0045 1 x 0 005 x 1 5 0 68V 1 5 06 B 500 x 0 0045 2 x 0 005 x 0 5 1 13V 0 5 4 Add each device s voltage together to find the total voltage for section 2 0 68 1 13 1 817 Results malls the total voltage does not exceed 4 65V in either section the system will operate properly section 1 2 59V 4 65V section 2 1 81V 4 65V The percent loading is found by dividing the total voltage by 4 65 V Section 1 Loading 2 59 4 65 56 Section 2 Loading 1 81 4 65 39 DN 6 7 2 May 1999 Appendix A Understanding Select NEC Topics What s in This Appendix Be aware that the following topics from the National Electrical Code NEC 7725 revision 1999 impact the configuration and installation of DeviceNet systems in the United States There also may be additional NEC sections and local codes that you must meet Other codes exist outside of the United States that may also affect your installation Specifying Article 725 Topics Round Thick amp Thin and Class 2 Flat Media power limitations of Class 2
33. 00 ft 200 ft 122m 30m 30m 400 ft 100 ft 100 ft gt 1 1 1 1 1 01 02 03 04 05 1 504 1 05A 0 25 1 00 0 10 break red wire here to separate D device both halves of the network 41831 Power Supply 1 Add each device s D1 D2 DeviceNet current draw together for power supply 1 1 50 1 05 2 55 Results a is the minimum name plate current rating that power supply 1 should have Remember to consider any temperature or environmental derating recommended by the manufacturer Important This derating factor typically does not apply when you consider the maximum short circuit current allowed by the national and local codes Results Get Started 1 11 Power Supply 2 Add each device s D3 D4 D5 current together for power supply 2 0 25 1 00 0 10 1 35 1 35 is the minimum name plate current rating that power supply 2 should have Remember to consider any temperature or environmental derating recommended by the manufacturer Placing the Power Supply DeviceNet networks with long trunk lines or with devices on them that draw large currents at a long distance sometimes experience difficulty with common mode voltage If the voltage on the black V conductor differs by more than 4 65 volts from one point on the network to another communication problems can occur Moreover if the voltage between the black V conductor and the red V conductor ever falls below 15 volts then c
34. 2 e when 10 devices exist between the evaluated device and the power supply this number is 11 For devices attached to a DeviceBox tap or DevicePort tap treat the tap as one tap The currents for all devices attached to one of these taps should be summed and used with the equation only once The nominal contact resistance used for every connection to the trunk line The current drawn from the cable system by the device For currents within 90 of the maximum use the nominal device current Otherwise use the maximum rated current of the device For DeviceBox taps or DevicePort taps sum the currents of all the attached devices and count the tap as one tap n The number of a device being evaluated starting with one for the device closest to the power supply and increasing by one for the next device 4 65V The maximum voltage drop allowed on the DeviceNet trunk line This is the total cable system voltage drop of 5 00V minus 0 35V reserved for drop line voltage drop DN 6 7 2 May 1999 Determine Power Requirements 4 19 One Power Supply End Connected Example of Thick Cable The following example uses the full calculation method to determine the configuration for one end connected power supply on a thick cable trunk line Device 1 and Device 2 cause the same voltage drop but Device 2 is twice as far from the power supply and draws half as much current Device 4 draws the least amount of current but it is f
35. 200 m 656 ft 1485C P1 L200 420 m 1378 ft 1485C P1 L420 Auxiliary Power Cable Make Cable Connections 3 13 Installing Auxiliary Power Cable Install Auxiliary Power Cable as you would network cable Refer to page 9 for installation instructions You can use Auxiliary Power Cable with the ArmorBlock MaXum cable base 1792D CBFM and I O modules 1792D series red and black dc power pair 16 awg black PVC jacket 5 50 mm Wire Wire Use 5 3 mm 0 21 Color identity 5 0 10 in white user user defined defined white and blue blue iser mm user defined pair 16 awg defined defined Tue Im gt 0 76 in 30493 M black V output power p When running cable into an enclosure use flat cable gland 1485A CAD red V output power Pinout diagrams for mini and micro connections to the power cable are shown next Micro Female Mini Female mechanical key V mechanical key not used Connecting Power Supplies to Round Media user defined user defined user defined 30489 M To supply power you will need to install and ground the power supplies as well as connect all PowerTap taps If you haven t determined power supply placement see Chapter 4 To install a power supply Important Make sure the ac power source remains off during installation 1 Mount the power supply securely allowing for proper ventilation connection to t
36. 6 56ft 1485R P2R5 D5 3m 9 84ft 1485R P3R5 D5 4m 13 121 1485R P4R5 D5 Micro Male 90 to Part Number Conductors 1m 3 28ft 1485K P1F5 C 2m 6 56 ft 1485K P2F5 C 19 68ft DN 6 7 2 May 1999 1485K P6F5 C Connecting to micro T Port taps device 8 gt device J B drop lines MS z thin cable specified length trunk line 30163 M SSS About KwikLink Drop Cables These unshielded four wire PVC drop cables were designed specifically for use with KwikLink connectors Trunkline connections are 90 micro male to straight female micro female or conductors at the device Important These drop cables 1485K are only for use with the KwikLink flat cable system They are not suitable for use with standard DeviceNet round cable systems Connecting to a KwikLink tap from an open device to KwikLink Micro 41631 Micro Male 90 to Part Number Micro Female 1m 3 28 ft 1485K P1F5 R5 2m 6 56 ft 1485K P2F5 R5 3m 9 84 ft 1485K P3F5 R5 6m 19 68 ft 1485K PGF5 R5 Micro Male 90 to Part Number Mini Female 1m 3 28 ft 1485K P1F5 N5 2m 6 56 ft 1485K P2F5 N5 3m 9 84 ft 1485K P3F5 N5 Wire Wire Usage Usage Color Identity Round Flat white CAN H signal signal blue
37. AN_H signal signal blue signal signal bare drain shield n a black V power power red V power power Make Cable Connections 3 11 6 Line up the keyed rectangular holes of the micro open terminator connection interface with the matching posts on the base and snap the micro module into place Optional Secure the micro open terminator module by driving screws through the two remaining mounting holes two remaining mounting holes 30478 M Additional considerations When used in flexing applications the cable must be secured to a solid reference with mounting hardware 10 15 cm 4 6 in from the connector Installation of connectors is recommended only at temperatures of 0 C 75 Make sure the cable is free of debris or scratches before attaching the connector to ensure a proper seal The recommended distance between mounts is 3 5 m 10 16 ft flat cable mount 1485A FCM Whenrunning cable into an enclosure use flat cable gland 1485A CAD Installing a KwikLink open style connector to a drop cable Install the KwikLink open style connector to the flat media using the directions starting on page 9 Prepare the drop cable following the directions on page B 2 numbers 1 through 5 For flat media connections you can use round 4 wire KwikLink drop cable 1485K series e round 5 wire thin drop cable 1485R series Youmust cut or heat shrink the drain wire when y
38. CAN_L signal signal bare drain shield n a black V power power red V power power Identify Cable System Components 2 15 Connecting to a KwikLink tap from a sealed device 4 specified length gt female plug device OG specified length device male plug female plug 96 Tm mo C3 thin cable zi 15 to KwikLink Micro is About Terminators Electrically stabilize your DeviceNet communication with terminating resistors Important You must terminate the trunk line on each end with a 121ohms 1 1 4W resistor Sealed style terminators round media Male and female sealed terminators have gold plated contacts for corrosion resistance Description Part Number l i minimale 1485A T1M5 minifemale 1485A T1N5 ili 41877 DN 6 7 2 May 1999 2 16 Identify Cable System Components Unsealed Style terminator round and flat media Important You must connect these resistors directly across the blue and white wires of the DeviceNet cable An open style terminator is suitable for use with DeviceBox taps open style plugs or taps KwikLink open style Insulation Displacement Connectors IDC I121ohms J KwikLink IDC with open style terminator Description Part Num
39. Low Voltage by applying the safety requirements of EN 61131 2 Programmable Controllers Part 2 Equipment Requirements and Tests For specific information required by EN 61131 2 see the appropriate sections in this publication as well as the Allen Bradley publication Industrial Automation Wiring and Grounding Guidelines For Noise Immunity publication 1770 4 1 This equipment is classified as open equipment and must be mounted in an enclosure during operation to provide safety protection Updated Information Summary of Changes Introduction This release of this document contains new and updated information To help you find the new and updated information look for change bars as shown next to this paragraph This document has been updated throughout The most significant changes are the addition of Kwiklink flat media cable specifications and installation information areorganization of contents DN 6 7 2 May 1999 Preface Using This Manual What s in This Manual Use this manual to plan and install a DeviceNet cable system This manual Jj describes the required components of the cable system and how to plan for and install these required components Quickstart and Planning a DeviceNet Cable System CI Identifying Components Make Cable Connections 2 Determine Selected Powering Power dee Topics ind gt Outpu
40. T 1 1 1 T 01 02 03 04 05 06 0 25 0 50 010A 025 1 00 0 10 terminating resistor T T Port tap PowerTap 2 D device 1 Determine the total length of the network 274m 41861 2 Add each device s current together to find the total current 0 25 0 50 0 10 0 25 1 00 0 10 2 20A 3 Find the value next largest to each section s length using Figure 4 5 on 8 to determine maximum current allowed for each section approximately 280m 3 96A Since the total current does not exceed the maximum current the system will operate properly 2 20A lt 3 96 DN 6 7 2 May 1999 4 16 Determine Power Requirements Two Power Supplies Not End Connected in Parallel with No V Break The following example uses the look up method to determine the configuration for two power supplies that are not end connected This configuration provides the most power to the cable system You must use diodes at the power taps to prevent back feeding of the power supplies Check your national and local codes for any restrictions on the use of parallel power supplies SEU 1 segment 2 segment 3 power power supply supply 274m 122m 900 ft 400 ft 152m 61m 500 ft 200 ft 76m 122m 30m 250 ft 400 ft 100 ft EH
41. aller diameter and is more flexible than thick cable You can also use this cable for the trunk line Hat e lass 1 power supplies allow for an 8A system and the use of Class 1 flat cable e lass 2 flat cable must not exceed 4A The trunk line on the DeviceNet network with dimensions of 19 3 mm x 5 3 mm 0 76 in x 0 21 in This cable has no predetermined cord lengths and you are free to put connections wherever you need them KwikLink drop cable This is a non shielded 4 conductor drop cable for use only in KwikLink systems Round cable both thick and thin contains five wires One twisted pair red and black for 24V dc power one twisted pair blue and white for signal and a drain wire bare Flat cable contains four wires One pair red and black for 24V dc power one pair blue and white for signal Drop cable for KwikLink is a 4 wire unshielded gray cable It is only used with KwikLink flat cable systems Get Started 1 3 Determine the Maximum Trunk Line Distance The distance between any two points must not exceed the maximum cable The maximum cable distance is not distance allowed for the data rate used necessarily the trunk length only It is the maximum distance between any two devices Data rate Maximum Maximum Maximum distance distance distance flat cable thick cable thin cable 125k bit s 420m 1378 ft 500m 1640 ft 100m 328 ft 250k bit s 200m 656 ft
42. ative Drop Line Length The cumulative drop line length refers to the sum of all drop lines thick or thin cable in the cable system This sum cannot exceed the maximum cumulative length allowed for the data rate used Data rate Cumulative drop line length 125k bit s 156m 512 ft 250k bit s 78m 256 ft 500k bit s 39m 128 ft The following example uses four T Port single port taps and two DevicePort multi port taps to attach 13 devices to the trunk line The cumulative drop line length is 42m 139 ft and no single node is more than 6m 20 ft from the trunk line This allows you to use a data rate of 250k bit s or 125k bit s A data rate of 500k bit s cannot be used in this example because the cumulative drop line length 42m exceeds the total allowed 39m for that data rate 2m 6 6 3m 10 ft onm 4m 6 13 4m 13 ft h im m66 335 21661 4m 13 ft 3m 10 ft DevicePort tap tz 4 ports smao 2m 66 3m 10 1m trunk line _ 2m 6 6 ft 3 3 ft L 3m 10 ft op line DevicePort tap device or node 8 ports TR terminating resistor is device with removable open style About the Direct Connection connector Connect devices direc
43. ber terminator 1485A C2 end cap wr 4870 41873 Sealed and unsealed flat media terminators These terminators have an IDC base and are shipped with an end cap Unsealed terminators do not have gaskets Description Part Number sealed terminator IP67 1485 1 4 unsealed terminator 1485A T1H4 no gasket IP60 DN 6 7 2 May 1999 Preparing Cables Chapter 3 Make Cable Connections In 1 you determined the required lengths of trunk line and drop line segments for your network To cut these segments from reels of thick thin and flat cable use a sharp cable cutter and provide sufficient length in each segment to reduce tension at the connector Select an end of the cable segment that has been cleanly cut The positions of the color coded conductors should match the positions at the face of the connector Important Before beginning make sure the DeviceNet cable system is inactive all attached devices are turned off any attached power supply is turned off you follow the manufacturer s instructions for stripping crimping and or tightening DN 6 7 2 May 1999 3 2 Make Cable Connections How to Install Open Style Connectors Wire Wire Usage Color Identity Round white CAN_H signal blue signal bare drain shield black V power red V power DN 6 7 2 May 1999 To attach a plug in op
44. bout the DeviceNet network by visiting the Allen Bradley web site at http www ab com networks The following conventions are used throughout this manual Bulleted lists provide information not procedural steps e Numbered lists provide sequential steps Information in bold contained within text identifies menu options screen names and areas of the screen such as dialog boxes status bars radio buttons and parameters Text in this font identifies actions you perform e Text in this font identifies node addresses and other values assigned to devices e Pictures of keys and or screens represent the actual keys you press the screens you use This symbol represents an information tip Table of Contents Get Started Chapter 1 Understand the 1 Understand the Understand the Cable Options Determine the Maximum Trunk Line Distance Determine the Cumulative Drop Line Length About the Direct Connection Using Terminate the Network o cs p eo ROCK Ce Guidelines for Supplying SUDDIV Er EEEE Ade CES Choosing a Power About Power Sizing a Power Supply rhe h
45. can be downloaded at www ab com networks assistant Use this chapter to identify and become familiar with the basic DeviceNet cable system components terminator sealed device T Port tap UT DevicePort tap 8 port Round Thick and Thin Cable Network Sy W thick cable i PowerTap sealed device Jj tap thick cable DeviceBox thin cable tap 4 port open style tap B zm 8 fira terminator tap 8 ig sealed device rcs J thick cable enclosure jj KwikLink Flat Media Network g open style modules ill o terminator P micro connector mOdul open style Y micro connector modules i flat trunk cable terminator PLC 40898 enclosure DN 6 7 2 May 1999 2 2 Identify Cable System Components Component Description Component Description Trunk line The cable path between terminators that DeviceBox tap A junction box that allows 2 4 or 8 drop lines represents the network backbone to connect to the trunk line can be made of thick thin or flat cable connects to taps or directly to device Drop line The drop line is made up of
46. circuits The power source for Class 2 circuits must be either inherently limited J thus requiring no overcurrent protection or limited by a combination of a power source and overcurrent protection marking Class 2 power supplies must durably marked where plainly visible to indicate the class of the supply and its electrical ratings 1 interconnection of power supplies Class 2 power supplies must not be paralleled or otherwise interconnected unless listed for such applications Class 1 Flat Media power limitations of Class 1 circuits Theovercurrent protection shall not exceed 10 amperes per NEC article 725 23 Consult the product manufacturer to determine if the device is suitable for installation with a Class 1 power source DN 6 7 2 May 1999 Wide Available Voltage Range Appendix B Powering Output Devices You can power some output devices on the DeviceNet network The application must allow the voltage to remain within the DeviceNet specification limits of 11 25V dc Most actuators need to be powered by a separate power supply They usually require more power than is practically available from DeviceNet Also the large voltage variation of 11 25V that DeviceNet allows is typically beyond the range that most available actuators or output devices can safely operate over You can use DeviceNet power to operate output devices such as hydraulic and pneumatic solenoid valves pilot and
47. connecting to a DeviceBox tap stripped conductors to micro femald 2 13 stripped conductors to mini male 2 13 connecting to a DevicePort tap micro male 90 to micro femald 2 13 DN 6 7 2 May 1999 micro male 90 to mini female 2 13 connecting to a T Port tap mini male to micro female mini male to micro male 90 mini male to mini female size 1 2 spool size time drift 1 8 total allowable current class 1 flat cable 1 8 thick cable class 2 flat cable 1 8 T Port tap connecting to description 2 5 diagram 2 5 keying information 2 5 transient protection diodes B 2 powering output deviced 4 1 trunk line attaching connectors open stylej3 2 sealed style 3 3 connecting to via direct connection 2 4 maximum cable distance 1 3 terminating 1 3J2 4 two power supplies current chart end segment KwikLink 4 9 KwikLink cable 4 7 round cable thick 4 6 U unsealed terminating resistor KwikLink NEMA rating 1 7 V voltage DN 6 7 2 May 1999 maximum drop 1 10 4 18 range1 10 voltage limits on DeviceNet output power B I voltage range output device relevant node B 1 wide DeviceNet 4 1 W wide DeviceNet voltage range wide range voltage B 1 worst case scenario adequate power 4 3 Z zero length drop 1 4 Reach now at www rockwellautomation com Wherever you need us Rockwell Automation brings together leading brands in in
48. connection 1485 4 5 5 5 pin mini female J1 J2 connectors L 5 pin mini male 48 mm connector 1 9 in J3 j 5 mini female gt connectors 1 2 1 7 in 98 3 9 in 30495 8 DevicePort Tap part number 1485P P8N5 M5 g 5 pin mini female connectors Ji 142 T I I I T 5 pin mini male ed U J 48 mm connector gt 1 9 in NS 1 a 1 3 1 ae a 1 2 2 2 5 t erum gt 1 2in 1 7 in 4 187 741 p 30494 DN 6 7 2 May 1999 trunk line A Identify Cable System Components 2 9 About the Direct Connection disconnect 0 LO Connect devices directly to the trunk line only if you can later remove the here W drop line devices without disturbing communications on the cable system device with Important a device provides only fixed terminal blocks for its T connection you must connect it to the cable system by a drop line Doing this allows you to remove the device at the tap did without disturbing communications on the cable system Ab
49. ddle connected power supply provides the maximum current capability for a single supply power section 1 supply section 2 122m 122m 400 ft 400 ft 91m 91 El 300 ft 300 ft 37m 49m 120 ft 160 ft TR T TR aS NE D1 D2 D3 04 05 06 1 10 1 25 0 50 0 25 0 25 0 25 terminating resistor T T Port tap PT PowerTap tap D device Results DN 6 7 2 May 1999 1 Add each device s current together in section 1 1 10 1 25 0 50 2 85A 2 Add each device s current together in section 2 0 25 0 25 0 25 0 75A 3 Find the value next largest to each section s length to determine the maximum current allowed for each section approximately Section 1 140m 2 14A Section 2 140m 2 14A Important Section 1 Section 2 lt 3 6A This is lt 4A for NEC CECode compliance Section 1 is overloaded because the total current exceeds the maximum current 2 85A 2 14A Section 2 is operational since the total current does not exceed the maximum current 0 75A 2 14A Balance the system by moving the power supply toward the overloaded section section 1 Then recalculate each section Determine Power Requirements 4 13 TR
50. dustrial automation including Allen Bradley controls Reliance Electric power transmission products Dodge mechanical power transmission components and Rockwell Software Rockwell Automation s unique flexible approach to helping customers achieve a competitive advantage is supported by thousands of authorized partners distributors and system integrators around the world Americas Headquarters 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Rockwell European Headquarters SA NV avenue Herrmann Debroux 46 1160 Brussels Belgium Tel 32 2 663 06 00 Fax 32 2 663 06 40 Asia Pacific Headquarters 27 F Citicorp Centre 18 Whitfield Road Causeway Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Automation Publication DN 6 7 2 May 1999 PN 955132 80 Supersedes Publications DN 6 7 2 August 1997 and DN 6 7 2 RN1 November 1997 1999 Rockwell International Corporation Printed in the U S A
51. e location is fixed put the power supply in the center of the highest current concentration power section 1 supply section 2 244 244m 8001 422m 122 8001 400 ft 400 ft 30m 60m 100 ft 200 ft a DRE ES ES D3 D2 D1 D4 D5 D6 0 25A 0 25A 0 25A 0 25A 1 5A 0 5A TR terminating resistor T T Port tap PowerTap D device diei DN 6 7 2 May 1999 D1 0 25A D2 0 25A D3 0 25A According to the look up method section 1 is operational while section 2 is overloaded Value of Section 1 Section 2 Total maximum current 1 25A approximately 1 25A approximately Total current required 0 75A 2 25 1 Find the voltages for each device in section 1 using the equation for thick cable SUM L x 0 0045 x 0 005 x In lt 4 65V A 100 x 0 0045 1 x 0 005 x 0 25 0 12V B 400 0 0045 2 x 0 005 x 0 25 0 45V C 800 x 0 0045 3 x 0 005 x 0 25 0 90V Add each device s voltage together to find the total voltage for section 1 0 12V 0 45V 0 90V 1 47 Determine Power Requirements 4 21 3 Find the voltages for each device in section 2 using the equation for thick cable SUM L x 0 0045 x 0 005 x 1 lt 4 65V
52. eBox and PowerTap How to Install PowerTap DN 6 7 2 May 1999 Determine Power Requirements Understanding Select NEC Topics Powering Output Devices Index DN 6 7 2 May 1999 How to Install DeviceBox How to Install DevicePort Taps To Connect Drop KwikLink Installation How to Install a KwikLink Connector End Cap Installation Installing Auxiliary Power Cable Connecting Power Supplies to Round Connecting Power Supplies to KwikLink Flat Media Class 1 8A lass 7 4A Syste Seed Rien niert Chapter 4 Class 1 CLIJ Cable Class 2 CL2 Cable rt Use the Look Up One Power Supply End Connected One Power Supply NEC CECode Current Boost Configuration Two Power Supplies End Connected in Parallel with No V Break 4 15 Two Power Supplies Not End Connected in Parallel with No V Use the Full Calculation Method Using Equation
53. eNet nodes does not exceed 64 on one network The practical limit on DeviceNet nodes may be 61 devices since you should allow one node each for the scanner the computer interface module and an open node at node 63 No single drop over 6m 20 ft Cumulative drop line budget does not exceed network baud rate limit Total network trunk length does not exceed the maximum allowable per the network data rate Terminating resistors are on each end of the trunk line Ground at only one location preferably in the center of the network OOo D for flat media drain and shield for round media connections are inspected for loose wires or coupling nuts Check for opens and shorts Check for proper terminating resistors Both the programmable controller and DeviceNet scanner module are in run mode Important If your DeviceNet system does not run properly see the scanner module s display and network and status LEDs for help in troubleshooting You can also refer to the DeviceNet Troubleshooting Guide catalog number 100 TSJ20 duplicate node addresses when adding devices Change the Important Devices default to node 63 Leave node 63 open to avoid default node address after installation DN 6 7 2 May1999 Chapter 2 Identify Cable System Components The free DeviceNet Assistant Software can be used to layout a DeviceNet System and generate a BOM This
54. ed style connector to round media 1 Prepare the cable jacket by cleaning loose particles from the jacket 70mm 2 75 in jacket 29 mm clean jacket 1 165 in 41849 2 Strip 29 mm 1 165 in of the cable jacket from the end of the cable 3 Cut the braided shield and the foil shields surrounding the power and signal conductors 4 Trim the conductors to the same length 5 Slide the connector hardware rubber washer onto the cable in the order grommet enclosure shown slide hardware 6 Ts be cari iun 6 Strip 9 mm 0 374 in of 9mm insulation from the ends of all bevelled side 0 374 in blue signal doin wile conductor strands We 3 bare drain shield Important Do not twist or pull the cable while tightening the gland nut black V power red V power 7 Attach wires to the connector using screw terminals as seen in the following diagram g Connector Female Connector g power conductors power conductors white signal signal bare conductors conductors Rear View Rear View 41848 8 Screw the enclosure body to the connector 9 Screw the rear nut into the connector enclosure Important Do not twist or pull the cable while tightening the rear nut DN 6 7 2 May 1999 3 4 Make Cable Connections How to In
55. eh E ERR Ig Placing the Power Connecting Power Supplies Ground the Use the Checklist Identify Cable Chapter 2 System Components About Thick About Thin About Flat Connecting to the Trunk About the T Port About DeviceBox About About DevicePort About the Direct Connection About the Open Style Connector About the Open Style About KwikLink Insulation Displacement Connectors IDCs Using Preterminated About Thick About Thin About KwikLink Drop About Terminators Make Cable Connections Chapter 3 Preparing Cables is veis ERR EES 3 1 How to Install Open Style 3 2 How to Install Mini Micro Sealed Field Installable Connectors How to Install Devic
56. en style connector to a round media thick or thin trunk line 1 Strip 65 mm 2 6 in to 75 mm 2 96 in of the outer jacket from the end of the cable leaving no more than 6 4 mm 0 25 in of the braided shield exposed 6 4mm 0 25 in jacket EA braided shield 65mm 2 6 in ies 2 Wrap the end of the cable with 38 mm 1 5 in of shrink wrap covering part of the exposed conductors and part of the trunk line insulation 38 mm 1 5 41841 shrink wrap 3 Strip 8 1 mm 0 32 in of the insulation from the end of each of the insulated conductors shrink wrap ix 0 32 in 41842 4 Tin the last 6 5 mm 0 26 in of the bare conductors so that the outside dimension does not exceed 0 17 mm 0 045 in 5 Insert each conductor into the appropriate clamping cavity of the open style connector or the screw terminal on the device according to the color of the cable insulation 6 Tighten the clamping screws to damping screws secure each conductor The male contacts of the device connector must match the female contacts of the connector open style connector female contacts red white bare blue black open style connector female connector blue bare white DEOS PAE eam EAS SOT open style receptacle 30427 M male contacts Make Cable Connections 3 3 How to Install Mini Micro Sealed Field Installable Connectors To attach a mini micro seal
57. ength Current A Length Current A m ft m ft 0 0 8 00 220 722 1 31 20 66 800 240 787 1 20 40 131 701 260 853 1 11 280 919 1 03 60 197 472 300 984 0 96 80 262 3 56 320 1050 0 90 100 328 2 86 340 1115 0 85 120 394 2 39 360 1181 0 80 140 459 2 05 380 1247 0 76 160 525 1 79 400 1312 0 72 180 591 1 60 420 1378 0 69 200 656 1 44 Exceeds NEC CL2 CECode 4A limit ff DN 6 7 2 May1999 Get Started 1 13 The following example uses the look up method to determine the configuration for one end connected power supply One end connected power supply provides as much as 8A near the power supply power supply 106m 53m 350 ft 175 ft 30m 23m 75 _ TR PT 1 TH TR D1 D2 D3 D4 0 10A 0 15A 0 30A 0 10A TR terminating resistor T T Port tap PT PowerTap tap D device 41833 1 Determine the total length of the network 106m 2 Add each device s current together to find the total current consumption 0 10 0 15 0 30 0 10 0 65 Important Make sure that the required power is less than the rating of the power supply You may need to derate the supply if it is in an enclosure 3 Find the next largest network length using the table on page 1 12 to determine the maximum current allowed for
58. ese are the PowerTap tap modifications Wire Wire _ Use Color identity trunk line Y white CAN H signal 7 F 2 K blue CAN_L signal bare drain shield ti remove black V power V V x these V V B V power fuses power a power supply VV ground supply A DN 6 7 2 May 1999 Results Determine Power Requirements 4 15 essentially two independent segments each of which is a power supply end connected system use Figure 4 5 on page M d for each segment e each power supply can be rated up to 4A and still meet NEC CECode Class 2 current restrictions Two Power Supplies End Connected in Parallel with No V Break The following example uses the look up method to determine the configuration for two end connected power supplies You must use diodes at the power taps to prevent back feeding of the power supplies Check your national and local codes for any restrictions on the use of parallel power supplies The NEC CECode requires that the power supplies must be listed for parallel operation power power supply 274m supply 122m 122 400 ft 400 ft 76m 76m 250 ft 250 ft 430m Rm 100 ft 100 ft TRHP
59. ess than the maximum allowable current Since the total current does not exceed the maximum current section will Results gt operate properly 2 25 lt 3 594 Loading is 63 2 25 3 59 7 Determine the length of the middle section section 2 274m 8 Add each device s current together in section 2 1 50 2 00 3 50 9 Find the value next largest to the length of section 2 using Figure 4 3 bn 6 to determine the maximum current allowed approximately 280m 7 69A Important If the total current in the section exceeds the maximum current move the power supplies closer together and repeat steps 7 9 until the total current in the section is less than the maximum allowable current Results Since the total current does not exceed the maximum allowable current 2 will operate properly 3 50A lt 7 69A Loading is 4646 3 50 7 69 If the middle section is still overloaded after you move the power supplies closer together add a third power supply Then recalculate each segment Important Section 1 Section 2 Section 3 7 3A This is gt and does not comply with the NEC CECode for Class 2 installations DN 6 7 2 May 1999 4 18 Determine Power Requirements Important To determine spare capacity for future expansion subtract the actual current from the maximum allowable current To determine the percentage loading for each segment divide the maximum allowable current
60. he cable this design adheres to NEC Article 725 which states that for a Class 2 circuit the power source must have a rated output of less than 30V and 100VA In the case of DeviceNet running at 24V the maximum allowable current is 100 24 or 4A KwikLink CL2 cable is rated to 4A at 24V dc Auxiliary Power Cable CL1 Used to run an auxiliary bus to power outputs i e valves actuators indicators KwikLink power cable is a Class 1 cable capable of supplying 24V of output power with currents up to 8A Important The ArmorBlock MaXum cable base 1792D CBFM is designed to use both the KwikLink network and Auxiliary Power cables You should this base with all output modules DN 6 7 2 May 1999 2 4 Identify Cable System Components Connecting to the Trunk Line The cable system design allows you to replace a device without disturbing the cable system s operation Important You must terminate the trunk line on each end with a 121 1 1 4W resistor You can connect to the trunk line through a Trunk line connection See page Trunk line connection See page g T Port tap 5 e DeviceBox tap 2 6 ere 59 RE ae ES B SL B 8177 H m 41866 41867 g PowerTap p a DevicePort
61. he ac power source and protection from environmental conditions according to the specifications for the supply 2 Connect the power supply using e acable that has one pair of 12 AWG conductors or the equivalent or two J pairs of 15 AWG conductors e amaximum cable length of 3m 10 ft to the PowerTap tap DN 6 7 2 May 1999 3 14 Make Cable Connections the manufacturer s recommendations for connecting the cable to the supply Connecting Power Supplies to Class 1 System KwikLink Flat Media For a Class 1 8A System power may only be interfaced with the network using a KwikLink open style connector Class 2 4A System For a Class 2 4A System power may be applied to the network using KwikLink micro or open style connectors DN 6 7 2 May 1999 Chapter 4 Determine Power Requirements In this chapter we describe two methods for determining your system s power requirements the look up method the full calculation method Try the look up method first then move on to the full calculation method if you cannot meet your configuration requirements Important You must consider two areas when powering output devices using the DeviceNet power supply 1 Wide DeviceNet voltage range of 11 25V dc e 2 Noise or transient protection at each device You must calculate a worst case situation and maintain voltage within the 11 25V dc range on all segments This can be accomplished using diodes or other
62. ick or thin are rated to a maximum of 3A depending on length The maximum current decreases as the drop line length increases Drop line length Allowable current 1 5m 5 ft 3A 2m 6 6 ft 2A 3m 10 ft 1 5A 4 5m 15 ft 6m 20 ft 0 75A You may also determine the maximum current in amps I by using Iz 15 L where L is the drop line length in feet I 4 57 L where L is the drop line length in meters DN 6 7 2 May1999 1 10 Get Started TR terminating resistor PT PowerTap tap DN 6 7 2 May1999 The maximum allowable current applies to the sum of currents for all nodes on the drop line As shown in the example on 1 3 the drop line length refers to the maximum cable distance from any node to the trunk line not the cumulative drop line length high maximum common mode voltage drop on the V and conductors the voltage difference between any two points on the V conductor must not exceed the maximum common mode voltage of 4 65V voltage range between V and V at each node within 11 to 25V Sizing a Power Supply Follow the example below to help determine the minimum continuous current rating of a power supply servicing a common section T T Port tap power power supply 1 supply 2 122m 400 ft 152m 60m _ 5
63. k 3 9 cable position Kwiklink 3 10 cable preparation 3 1 cables maximum distance 1 3 determining 1 3 preterminated thic thi system curreni4 18 CECode current boost configuration 4 14 circuit Class 2 limitations A 1 power source class 1 flat cable total allowable current1 8 class 1 applications KwikLink rating 4 2 class 1 cable maximum load 4 1 NEC specifications 4 1 class 2 flat cable total allowable current 1 8 class 2 cable maximum load 4 2 NEC specifications 4 2 common mode drop voltage Index DeviceNet B 1 communication rate determining 1 4 components flat media network diagram 2 1 components diagram 2 1 conductors V 1 10 V 1 10 configuration adjusting 4 13 current boost 4 14 one power supply end connected look up method middle connected 4 12 connecting drop lines 3 8 power supplies 3 13 to a DeviceBox tap preterminated thin cable stripped conductors to micro femald 2 13 stripped conductors to mini femald 2 13 to a DevicePort tap preterminated thin cable micro male 90 to micro femald 2 13 micro male 90 to mini femald 2 13 to a T Port tap from open device preterminated thin cable mini male to conductors to a T Port tap from sealed device preterminated thin cable mini male to micro female mini male to mini female to the trunk line via direct connection 2 4 to trunk line using connecto
64. l we use notes to make you aware of safety considerations ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attention statements help you to identify a hazard avoid a hazard e recognize the consequences Important Identifies information that is critical for successful application and understanding of the product Allen Bradley ArmorBlock MaXum and KwikLink are trademarks of Rockwell Automation DeviceNet is a trademark of the Open DeviceNet Vendor Association ODVA DeviceBox DevicePort and PowerTap are trademarks of Allen Bradley Company Inc a Rockwell International Company European Communities EC If this product has the CE mark it is approved for installation within the Directive Compliance European Union and EEA regions It has been designed and tested to meet the following directives EMC Directive This product is tested to meet the Council Directive 89 336 EC Electromagnetic Compatibility EMC by applying the following standards in whole or in part documented in a technical construction file e EN 50081 2 EMC Generic Emission Standard Part 2 Industrial Environment EN 50082 2 Generic Immunity Standard Part 2 Industrial Environment This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC
65. le blue 0 white piis 4 0 4P 0 drain He HU lug and nut white O 0 blue 1 8 EL fea locking nut hex flange gland nut 41851 3 Tighten all clamping screws to secure conductors to the terminal blocks 4 Seal unused ports with nylon plugs and nuts in the accessory kit 5 Tightly secure the cover to the enclosure DN 6 7 2 May 1999 3 8 Make Cable Connections How to Install DevicePort Taps The DevicePort tap connects as many as eight quick disconnect cables to the trunk line Ji 5 2 J3 JA 2 m 6 56 ft J5 7 41852 To Connect Drop Lines Drop lines made up of thick or thin cable connect devices to taps Connections at the device can be open style pluggable screw connectors hard wired screw terminals soldered e sealed style mini quick disconnect connectors micro quick disconnect connectors Important It is best to connect drop lines when the cable system is inactive If you must connect to an active cable system make all other connections before the connection to the trunk line ATTENTION Although it is possible to make a screw terminal connection while the cable network is active you should avoid
66. le to Part Number Conductor 1m 3 28ft 1485R P1N5 C 2m 6 56ft 1485R P2N5 C 3m 9 84ft 1485R P3N5 C Micro Female to Conductor 1m 3 28ft Part Number 1485R P1R5 C 2m 6 56ft 1485R P2R5 C 3m 9 84ft 1485R P3R5 C Identify Cable System Components 2 13 Connecting to a T Port tap from an open device EX 41719 Connecting to a DevicePort tap or Micro T Port tap from a sealed device specified length gt male plug female plug device mo thin cable ES to DevicePort tap or micro T Port tap 4 specified length male plug female plug device thin cable 0 to DevicePort tap or micro T Port tap in Connecting to a DeviceBox tap or open style tap from a sealed device specified length gt stripped conductors pigtails female plug device E to DeviceBox tap thin cable specified length p stripped conductors pigtails female plug device i 96 mo to DeviceBox tap thin cable 2 41721 DN 6 7 2 May 1999 2 14 Identify Cable System Components Micro Male 90 to Part Number Micro Female 1m 3 288 1485R P1R5 D5 2m
67. n Bradley KwikLink connectors are only approved with the following DeviceNet flat cables Part Number Description Vendor Color 1485C P1E CLI Allen Bradley Gray 1485C P1L Aux Power Allen Bradley Black 1485C P1G CL2 Allen Bradley Gray 49 40 49 1 93 1 58 1 93 in 4 2 1 40 in 41717 DN 6 7 2 May 1999 2 12 Identify Cable System Components Using Preterminated Cables Using preterminated cable assemblies saves you the effort of stripping and wiring connectors to the cable ends and also reduces wiring errors About Thick Cable You can order thick cable in nine lengths with mini connectors at each end Thick cable that is 6m 20ft or shorter can also be used as drop lines mini T Port tap specified length Ee mini T Port tap Mini Maleto Part Number _male plug female plug Mini Female T sn fl 1 3 28 1485 1 5 5 m CAE thick cable 2 m 6 56 ft 1485C P2N5 M5 coupling C
68. ode node power Guidelines for Supplying Power The cable system requires the power supply to have a rise time of less than 250 milliseconds to within 5 of its rated output voltage You should verify the following the power supply has its own current limit protection fuse protection is provided for each segment of the cable system any section leading away from a power supply must have protection the power supply is sized correctly to provide each device with its required power derate the supply for temperature using the manufacturer s guidelines Important For thick cable and Class 2 flat cable your national and local codes may not permit the full use of the power system capacity For example in the United States and Canada the power supplies that you use with thick cable must be Class 2 listed per the NEC and CECode The total current allowable in any section of thick cable must not exceed 4A Class 1 power supplies allow for an 8A system and the use of Class 1 flat cable See Appendi or more information about national and local codes Choosing a Power Supply The total of all of the following factors must not exceed 3 25 of the nominal 24V needed for a DeviceNet cable system initial power supply setting 1 00 line regulation 0 30 temperature drift 0 60 total time drift 1 0596 load regulation 0 30 Get Started 1 9 Use a power supply that has current
69. ommon mode voltage could adversely affect network communication To work around these difficulties add an additional power supply or move an existing power supply closer to the heavier current loads To determine if you have adequate power for the devices in your cable system use the look up method which we describe more fully in Chapter 4 See the following example and figure other examples follow in Chapter4 You have enough power if the total load does not exceed the value shown by the curve or the table In a worst case scenario all of the nodes are together at the opposite end of the power supply which draws all current over the longest distance 41710 Important This method may underestimate the capacity of your network by as much as 4 to 1 See 4 fo use the full calculation method if your supply does not fit under the curve A sample curve reprinted from pag d 4 4 for a single end connected power supply is shown on the next page DN 6 7 2 May1999 1 12 Get Started Figure 1 1 One Power Supply End Segment KwikLink Cable Flat Important Assumes all nodes are at the opposite end of the cable from the power supply Current amperes 0 0 60 120 180 240 300 360 420 197 394 591 787 984 1181 1378 Length of trunk line meters feet 41932 Network Maximum Network Maximum L
70. on to another section shorten the overall length of the cable system DN 6 7 2 May 1999 4 14 Determine Power Requirements perform the full calculation method for the segment described later in this chapter for the non operational section adda second power supply to the cable system do this as a last resort as shown in the following three examples NEC CECode Current Boost Configuration If the national or local codes limit the maximum rating of a power supply use the following configuration to replace a single higher current power supply section 1 power power section 2 91m supply supply 152m 300 ft 500 ft T PT T TR D3 D2 01 protection devices 04 05 06 removed from center 1 10A 1 25A 0 50A y section 0 25A 0 25A 0 85 supplies are isolated V section is continuous TR terminating resistor T T Port tap PT PowerTap tap D device 41860 This configuration effectively doubles the available current It has the following characteristics no loads are allowed between the PowerTap taps e fuses between the two PowerTap taps must be removed to segment the V conductor in the trunk line between the taps also cut red flush with cable jacket Th
71. or This is far more restrictive than the 5 volts of the DeviceNet specification and will result in shorter allowable distances for the installation DN 6 7 2 May 1999 2 Powering Output Devices Noise or Transient Protection DN 6 7 2 May 1999 The typical actuators used in DeviceNet control systems utilize inductive coils that generate transients when de energized You must use appropriate protection to suppress transients during coil de energization Add a diode across the inductive coil to suppress transients on the actuator s dc coils Use a MOV varistor module suppressor for a 24V dc coil if this added drop out time with the diode is unacceptable This varistor module must clamp the transient voltage across the coil at 55 volts to prevent the output contact from arcing on switch separation Typical actuators used in DeviceNet control systems use inductive coils and limit current transients on energization by their inherent L R time constant Any transients due to contact bounce on energization will be suppressed by the transient protection utilized for coil de energization ATTENTION Do not use DeviceNet power on dc coil actuators that use economizing coils to operate They have high inrush currents Allen Bradley lt Publication Problem Report If you find a problem with our documentation please complete and return this form Pub Name DeviceNet Cable System Planning and Installation Manual
72. or micro quick disconnects Micro DevicePorts device connections are micro female receptacles only micro male connectors with rotating coupling nuts can interface with each port Add 5 to these part numbers to get mini male connector at the end of a 2m cable for trunk connection 4 Port DevicePort Tap with 2m Drop Line 1485P P4R5 C2 5 pin fixed internal thread 5 5 Dia 0 22 mm micro female connector NS xK J2 48 mM 59 mm thin cable 2m 30mm 44 mm 1 2 1 17 in 98 mm 3 9 in 41838 8 Port DevicePort Tap with 2m Drop Line 1485P P8R5 C2 pin fixed i 88 mm 5 5 Dia 0 22 mm 5 pin fixed internal thread R 3 5 id J2 J3 J4 48 mm 59 mm 1 9 in 2315 thin cable 2m quer pu ey 7 3 44mm 62 n 30 mm 1 7 in 1 2 in 187 mm 7 4 in 41839 DN 6 7 2 May 1999 2 8 Identify Cable System Components Mini DevicePorts device connections are mini female receptacles only mini male connectors can interface with each port Trunk connection is a mini male quick disconnect 4 Port DevicePort tap with mini drop
73. ou use round 5 wire thin drop cable red white blue black red white blue black 2323 5 Ta Use only with KwikLink To use round 5 wire thin KwikLink drop drop cable bend back and heat shrink or cut the N cable gray 2 om drain wire eges SN drain wire DN 6 7 2 May 1999 3 12 Make Cable Connections End Cap Installation Each KwikLink terminator module is supplied with an end cap designed to cover the exposed end of the cable To install the end cap 1 Fit the end cap 1485A CAP on the cable as keyed Align the end cap posts with the receptacles in the lower IDC base and press down until the end cap is firmly seated the upper surface of the posts will be flush with the upper surface of the base 1485 J Align the end cap posts with receptacles in the base 30480 M 2 Close the IDC base and continue with the connection process as illustrated on page B d 30481 When installing an end cap on the other end of the cable note that the guide receptacles are on the upper portion of the IDC base Repeat the end cap installation process as outlined previously Close the IDC base and continue with connection as illustrated in the standard installation instructions starting on page B d 30482 30483 DN 6 7 2 May 1999 Auxiliary Power Cable Spool Size Part Number 75 m 246 ft 1485C P1 L75
74. out the Open Style Connector Wire Wire Usage e Color Identity Round Open style connectors come in two primary varieties GAN Signal e five position 5 pin linear plug blue CAN_L signal bare drain shield ten position 10 pin linear plug v PANET Ten position connectors provide easier daisy chaining because there is an red V power independent wire chamber for each wire entering cable and exiting cable jack screw PN 942154 05 with jack screws PN 942153 05 without jack screws Blac Blue C2 jack screw open style connectors g 1787 PLUG10R probe holes mechanical key gt 4 d o ge Mechanical key jack screw 2 4 jack screw HI Black Red Blue White 10 pin linear plug open Shield or Bare 41708 Some open style connectors provide a temporary connection for a PC or other configurable tool using probe holes For connection insert the prongs of a probe cable into the probe holes of a connector Mechanical keys on the connector prevent improper insertion 5 1 Red White Shield or Bare 5 pin linear plug open i probe cable Y generic unsealed device 41864 in
75. ower power red V4 power power Mini Micro field installable quick disconnect sealed connectors round media only Screw terminals connect the cable to the connector Micro Female mechanical key Mini Female red _ black blue dL 2 E drain mechanical key Bs blue 0 dan xA white white 59252 e 30489 M Connector Thin Thick Micro male 871A TS5 DM1 n a Micro female 871A TS5 D1 n a Mini male 871A TS5 NM1 871A TS5 NM3 Mini female 871A TS5 N1 871A TS5 N3 Plug in field installable open connectors Most open style devices ship with an open style connector included These connectors are also shipped in packages of 10 PN 942154 05 with jack screws probe holes 4767 PLUG10R PN 942153 05 without jack screws mechanical t 4 6 6 4 jack screw gt O HAHHA Oa jack screw TROU 5 jack screw lt Peto a Bile Shield or Bare Black fed Blue Shield or Bare 5 pin linear plug open ad 10 pin linear plug open M See Chapted 3 for information about making cable connections DN 6 7 2 May1999 1 6 Get Started The terminating resistor reduces reflections of the communication signals on the network Choose your resistor based on the type of cable round or 2 Terminate flat and connector open or sealed you use the network For round cable the resistor may be sealed when the
76. ower supply power supply 106m 53m _ 350 30m 175 ft 23m a 00 ft 75 ft TR PT 1 TH D1 D2 D3 D4 0 10A 0 15A 0 30A 0 10A TR terminating resistor T T Port tap PT PowerTap tap D device 1838 1 Determine the total length of the network 106m 2 Add each device s current together to find the total current 0 10 0 15 0 30 0 10 Important Make sure that the required power is less than the rating of the power supply You may need to derate the supply if it is in an enclosure 3 Find the value next largest to the network length using Figure 4 1 on page to determine the maximum current allowed for the system approximately 120m 2 47A 0 65 Since the total current does not exceed the maximum allowable current the system will operate properly 0 65A lt 2 474 Important If your application doesn t fit under the curve you may either e do the full calculation method described later in this chapter move the power supply to somewhere in the middle of the cable system and reevaluate per the following section DN 6 7 2 May 1999 4 12 Determine Power Requirements One Power Supply Middle Connected The following example uses the look up method to determine the configuration for one middle connected power supply One mi
77. r supplies round cable thic endcap KwikLink terminating resistor 1 7 equation current maximum drop line 1 9 full calculation method 4 18 examples NEC CECode current boost configuration 4 14 power supply one end segment 4 11 19 middle connected middle segment 4 20 two end connected not end connected 4 16 F figures power supply two segment betwee fixed connector open style 1 5 flat cable class 1 total allowable current1 8 definition 1 2 DN 6 7 2 May 1999 DN 6 7 2 May 1999 size 1 2 total allowable current class use of connectors KwikLi wire contents 1 2 flat media network diagram 2 1 full calculation method descriptio equations 4 18 examples power supplies one end connected 4 19 middle connected full calculation method 4 11 fusing PowerTap tap 3 5 G grounding 1 154 1 14 guidelines supplying power 1 8 H hard wire taps installing DeviceBox tap 3 4 PowerTap tap 3 4 high inrush currents DeviceNet power B 2 hydraulic solenoid valves output power B 1 IDC s KwikLink connectors 2 11 installation auxiliary power cable 3 13 KwikLink end 3 12 KwikLink connector 3 9 KwikLink open style drop cabld 3 11 open style connectors 3 2 pluggable screw connector 3 2 installing DeviceBox tap DevicePort tap 3 8 hard wire taps DeviceBox tap PowerTap tap power supplies 3 13 PowerTap
78. revent wiring mishaps three variations of KwikLink cable are unshielded and contain four conductors Flat cable is used exclusively for the trunk line side view Class 1 CL1 KwikLink Cable Spool Size Part Number 75 m 22 86 ft 1485C P1E75 200 m 60 96 ft 1485C P1E200 420 m 128 ft 1485C P1E420 Class 2 CL2 KwikLink Cable Spool Size Part Number 75 m 22 86 ft 1485C P1G75 200 m 60 96 ft 1485C P1G200 420 m 128 ft 1485C P1G420 KwikLink Power Cable Spool Size Part Number 75 m 22 86 ft 1485C P1L75 200 m 60 96 ft 1485C P1L200 420 m 128 ft 1485C P1L420 jacket material red amp black pair dc power pair 16 AWG CL1 gray TPE CL1 power pair red black CL2 gray PVC CL2 power pair Auxiliary Power black PVC Auxiliary Power 53mm power pair for outputs 0 21 in O O O P _ blue amp white pair CL1 data pair 2 50 mm CL2 data pair white blue 0 10 in Auxiliary Power user data pair 16 AWG defined 19 3 mm 0 76 in Class 1 CL1 Cable Per NEC specifications for a Class 1 circuit see Appendix A the power source must have a rated output of less than 30V and 1000VA Based on the size of the flat cable conductors the maximum current through the network must be no more than 8A Class 1 KwikLink cable is UL listed for 600V and 8A at 24V dc Use Class 1 drops in conjunction with Class 1 flat cable Class 2 CL2 Cable More flexible than t
79. rs open style 3 2 sealed style 3 3 connecting to KwikLink micro t port tap 2 14 DN 6 7 2 May 1999 connectors KwikLink IDC s 2 11 installation 3 9 open style attaching to trunk line 3 2 CRM hard wire plug in pinouts 3 1 sealed style attaching to trunk line 3 3 micro style 1 5 8 8 mini style conventions used in manual 8 current boost example 4 14 cable system maximu nominal device maximum allowable one power supply end connected 4 11 one power supply middle connected example 4 12 segment between two power supplies figure 4 10 two power supplies end connected example 4 15 two power supplies not end connected example 4 16 maximum drop line 1 9 name plate setting 1 10 1 11 thick cable 1 9 thin cable 1 9 current chart end segment two power supplies round cable thick 4 8 one power supply end segment KwikLi round cable DN 6 7 2 May 1999 third 4 10 two power supplies end segment Kwiklink cable KwikLink cable 4 7 round cable thick 4 6 D definition open style connector fixed 1 5 plug in 1 5 sealed connector micro style 1 mini terminating resistor 1 6 definitions flat cable 1 2 power suppl formulag4 18 thick cable 1 2 thin cable 1 2 determining adequate power power usage 4 3 DeviceBox tap 4 0 DeviceNet Assistant software 2 1 De
80. sert probe cable into probe holes of connector mechanical key 41863 DN 6 7 2 May 1999 2 10 Identify Cable System Components About the Open Style Tap Open style taps provide a way for drop cables to be connected to the trunk line using open style wiring connections Three sets of 5 position color coded wiring chambers accommodate all wires for entering trunk cable exiting trunk cable and drop cable The open style tap can be mounted on DIN rail 1492 DN3TW jack screw mounting plate Red White gt gt jack screw bd X mounting plate 30849 M Jack screws on open style taps and connectors provide additional physical support DN 6 7 2 May 1999 Identify Cable System Components 2 11 About KwikLink Insulation Displacement Connectors IDCs KwikLink Insulation Displacement Connectors IDCs interface drop cables and devices to the flat cable trunkline The hinged two piece base snaps around the flat cable at any point along the trunk Contact is made with the cable conductors by tightening two screws that drive the contacts through the cable jacket and into the conductors The snap on interface provides the connection to the drop cable and is available in micro and open style connectors Part Number Description 1485P P1E4 R5 NEMA 13 IP67 Micro module w base 1485P P1H4 R5 NEMA 1 IP60 Micro module w base no gaskets 1485P P1H4 T4 Open style module w base no gaskets Alle
81. similar techniques See Appendix B Powering Output Devices for more information Class 1 CL1 cable Per NEC specifications for a Class 1 circuit see NEC Article 725 the energy in the circuit anywhere is limited to 1000 VA A Class 1 circuit requires that the cables used must have jacketing with 600V isolation and pass the CL1 burn test DeviceNet specifies the power source to be a regulated maximum of 24V dc and the power circuit is limited to 8A Applying this to a Class 1 circuit running at 24V dc a DeviceNet certified cable with a 600V jacket isolation rating meets all requirements to be used in a Class 1 circuit So based on DeviceNet specification the cable s power carrying conductors are sized for an 8A maximum load DN 6 7 2 May 1999 4 2 Determine Power Requirements DN 6 7 2 May 1999 Class 2 CL2 Cable Per NEC specifications for a Class 2 circuit see NEC Article 725 the energy in the circuit anywhere is limited to 100 VA and the cable s jacketing used must have a 300V minimum isolation rating Based on a 30V dc system your circuit would be limited to 3 3A DeviceNet specifies the power source to be a maximum of 24V dc Applying this to a Class 2 circuit running at 24V dc the maximum allowable current is 4A A DeviceNet certified cable with a 300V jacket isolation rating meets all requirements to be used in a Class 2 circuit So based on the DeviceNet specification the cable s power carrying conductors are
82. sion Most people resolve this issue by isolating the trunk from the drop line with different power sources Other ways to limit energy may give you the same protection Use the Look Up Method Determine Power Requirements 4 3 To determine if you have adequate power for the devices in your cable system see the following examples and figures You have enough power if the total load does not exceed the value shown by the curve or the table In a worst case scenario all of the nodes are together at the opposite end of the power supply 41710 Important This method may underestimate the capacity of your network by as much as 4 to 1 See the following section to use the full calculation method if your supply does not fit under the curve Flatcable MICK cable For this configuration example uses uses figure figure figure One power supply end connected Figure 4 2 Figure 4 1 One power supply middle connected Figure 4 2 Figure 4 1 NEC CECode current boost configuration V cut Two power supplies end connected Two power supplies not end connected You can draw as much as from a thin cable trunk line if the power supply separation is below 70m 230 ft DN 6 7 2 May 1999 4 4 Determine Power Requirements Figure 4 1 One Power Supply End Segment Round Cable Thick Important Assumes all nodes are at
83. stack lights and motor starter coils with the following caution ATTENTION Do not let DeviceNet voltage at the relevant node exceed the output device s acceptable voltage range Output devices rated 24V dc rarely are specified to operate below 19 2V dc or 20 of their 24V dc rating Many only operate down to 20 4 dc or 15 of the rated voltage This means that the DeviceNet network design must not allow the available voltage to drop below 19 2 volts for example instead of the 11 volts that the DeviceNet specification allows This higher lower voltage limit which is within the DeviceNet specification will actually restrict the distance of the DeviceNet network from what would be possible if actuators were not utilizing the DeviceNet power Important Design your network to make sure that sufficient voltage is available to operate the output device wherever it is installed This is especially important when it is connected at the farthest location from the power supply The DeviceNet common mode drop voltage specification limit of 10 volts 5 volts in each power supply and V conductor will never be a concern This is because in the design process we start with a 24V dc power supply and allow for the 4 stack up tolerance which leaves 23V dc to work with From here we consider the output device s minimum required operating voltage of 19 2 volts This gives 23V dc 19 2V dc 3 8V dc for the common mode voltage or 1 9 V dc in each conduct
84. stall DeviceBox and Cable preparation and attachment is the same for PowerTap taps and PowerTap Taps DeviceBox taps which use hard wire connections of round media To install your taps perform the following steps and then proceed to the appropriate section for wiring the specific tap 1 Remove the cover from the tap 2 Prepare the ends of the cable sections A Strip 65 mm 2 6 in to 76 mm 3 in of the outer jacket 76 mm jacket Bin s 41843 and braided shield from the end of the cable Leave no more than 6 4 mm 0 25 in of the braided shield exposed 0 25 in braided shield 41844 B Strip 8 1 mm 0 32 in of the insulation from the end of each of the insulated conductors S heat shrink 8 1 mm 0 32 in 41845 3 Attach cables to the enclosure A Loosen the large gland nuts B Insert cables through the large cable glands so that about 3 3 mm 0 13 in of the cable jackets extend beyond the locking nut toward the inside of the enclosure C Hold the hex flange in place with the cable gland wrench and firmly tighten the gland nut The cable gland wrench is supplied with the accessories kit part number 1485A AccKit 1485A AccKit cable gland wrench 41846 4 Proceed to the appropriate section For information about See page installing PowerTap taps installing DeviceBox taps 1 installing DevicePort taps 8 4
85. t Requirements 2 771 Devices Complete 41865 E Who Should Read This Manual We assume that you have a fundamental understanding of electronics and electrical codes e basic wiring techniques acand dc power specifications load characteristics of the devices attached to the DeviceNet network DN 6 7 2 May 1999 2 Using This Manual About the Related Publications About the National Electric Code Accessing the Web Sites Common Techniques Used in This Manual DN 6 7 2 May 1999 Refer to the following publications for more information Title Publication Number Industrial Automation Wiring and Grounding 1770 4 1 Guidelines DeviceNet Selection Guide DN 2 15 KwikLink Radiated Immunity Testing 1485 1 1 KwikLink Connection System Brochure 1485 1 0 ArmorBlock MaXum 1 0 Cable Bases 1792D 5 9 Much of the information provided in this manual is representative of the capability of a DeviceNet network and its associated components The National Electric Code NEC in the United States and the Canadian Electric Code CECode in Canada places limitations on configurations and the maximum allowable power current that can be provided Refer to Appendix A for details Important Be sure that all national and local codes are thoroughly researched and adhered to during the planning and installation of your DeviceNet network You can find out more information a
86. t from a power supply should have the white and blue leads cut off short DN 6 7 2 May 1999 3 6 Make Cable Connections 5 Firmly tighten the gland nut to provide strain relief and sealing ATTENTION You must hold the hex flange with the cable gland wrench during tightening 6 Firmly twist the bare wire ends to eliminate loose strands ATTENTION certain that you use insulating tubing included with the accessory kit on bare drain wire 7 Loop each bare wire as shown below so you may insert the terminal block into the clamping cavity PowerTap Tap 1485 2 5 5 o Op uo Edi orcum 0 1 0 power supply 0 trunk trunk 41758 I 8 Firmly tighten the terminal block screw to clamp the bare wire end in place 9 After all cables are terminated secure the cover and tighten the screws to obtain the washdown rating 10 Tighten all wire glands DN 6 7 2 May 1999 Wire Wire Use Color identity white CAN signal blue signal bare drain shield black V power red V power Make Cable Connections 3 7 How to Install DeviceBox Taps The DeviceBox tap contains terminal blocks that connect the trunk line and as many as eight drop lines It is used only with ro
87. terminating resistors 121 ohms 1 1 4W resistors connecting the white and blue conductors in micro or mini style attach to open style T Port taps trunk lines using terminator blocks 1210 4 1485 2 Wire Wire Usage Usage Color Identity Round Flat white CAN_H signal signal a blue L signal signal OS bare drain shield n a Black L1 O C O CH Red black V power power red V power power Blue White r Shield or Bare 4897 e KwikLink flat cable terminating resistors The 121 ohm resistor is contained in the snap on interface module sealed terminator with an Insulation Displacement Connector IDC base NEMA 13 IP67 1485A T1E4 unsealed terminator with IDC base no gaskets NEMA 1 IP60 1485A T1H4 Network endcaps are included with each KwikLink terminator see page for complete installation instructions terminating resistor with end cap end cap 30490 M 30479 M DN 6 7 2 May1999 1 8 Get Started 3 Supply power Use the power supply to power the DeviceNet cable system only If a device requires a separate 24V power source other than the DeviceNet power source you should use an additional 24V power Source DN PS Trunk DN 6 7 2 May1999 drop n
88. the opposite end of the cable from the power supply 9 00 8 00 n PORES 5 00 5 00 m EL m 00 40 80 120 10 200 240 200 320 0 40 4 131 394 525 656 787 919 1050 1191 12312 1441 1575 Current amperes Length of trunk line meters feet m Network Maximum Network Maximum Length Current A Length Current A m ft m ft 0 0 8 00 240 787 1 28 20 66 8 00 260 853 1 19 40 131 6 53 280 919 1 10 60 197 4 63 300 984 1 03 80 262 3 59 340 1115 0 91 100 328 2 93 360 1181 0 86 120 394 2 47 380 1247 0 82 140 459 2 14 420 1378 0 74 160 525 1 89 440 1444 0 71 180 591 1 69 460 1509 0 68 200 656 1 53 480 1575 0 65 220 722 1 39 500 1640 0 63 1 Exceeds NEC CL2 CECode 4 limit DN 6 7 2 May 1999 Current amperes Determine Power Requirements 4 5 Figure 4 2 One Power Supply End Segment KwikLink Cable Flat Important Assumes all nodes are at the opposite end of the cable from the power supply 9 00 8 00 7 00 6 00 5 00 4 00 3 00 2 00 1 00 0 00 0 0 60 120 180 240 300 360 420 197 394 591 787 984 1181 1378 Length of trunk line meters
89. thick or thin cable DevicePort tap A junction box with sealed connectors that connects taps to nodes on the network allows 4 or 8 drop lines to connect to the trunk line Node device An addressable device that contains the PowerTap tap The physical connection between the power DeviceNet communication circuitry supply and the trunk line Terminating resistor The resistor 121 W 1 1 4 Wor larger attaches only to the ends of the trunk line Open style tap Screw terminals that connect a drop line to the trunk line Open style connector Used with devices not exposed to harsh environments KwikLink Micro tap Asingle port connection to flat cable available in both sealed and unsealed versions Sealed style Used with devices exposed to harsh KwikLink Open Style A single terminal connection to flat cable connector environments tap available only in unsealed versions T Port tap A single port connection with sealed connector KwikLink Terminator A terminating resistor for use with flat cable available in both sealed and unsealed versions About Thick Cable Thick cable with an outside diameter of 12 2 mm 0 48 in is generally used as the trunk line on the DeviceNet network Thick cable can be used for trunk lines and drop lines 12 2 mm 0 48 in outside diameter Class 2 Thick Cable 65 h coverage tinned copper braid shield Spool Size Part Number polypropylene fillers
90. this if at all possible To connect drop lines 1 Attach contacts as described earlier in this section 2 Connect the cable to the device 3 Make any intermediate connections 4 Make the connection to the trunk line last Important Follow the wiring diagrams for each connection and make sure you do not exceed the maximum allowable length from the device connection to the trunk connection DN 6 7 2 May 1999 Make Cable Connections 3 9 KwikLink Installation How to Install a KwikLink Connector Instructions Install KwikLink cable with the wider flat edge of the cable on the bottom keyed edge 4 flat edge 41607 Follow these steps to properly install KwikLink cable into a connector 1 Lay the cable in the hinged base paying attention to the keyed profile the unkeyed edge is closer to the hinge the keyed edge is toward the latch Important Prior to closing the connector make sure the IDC blades do not protrude from the housing If the blades are exposed gently push them back into the base In the event that the blades do not retract easily or retract only partially verify that the IDC screws are not partially driven keyed edge is toward the latch 30474 M 2 Close the hinged assembly applying pressure until the latch locks into place The latch has two catches The first catch loosely holds the connector on the cable The second catch needs more pressure applied to close the connector tightly
91. tly to the trunk line only if you can later remove the devices without disturbing communications on the cable system This is called a zero length drop because it adds nothing zero when calculating gt cumulative drop line length Important If a device provides only fixed terminal blocks for its connection you must connect it to the cable system by a drop device with line Doing this allows you to remove the device at the tap poc without disturbing communications on the trunk line of the connector cable system 41839 Get Started 1 5 Using Connectors Connectors attach cables to devices or other components of the DeviceNet cable system Field installable connections are made with either sealed or open connectors Connector Description Wire Wire Usage Usage Sealed Mini style Attaches to taps and thick and thin cable Color Identity Round Flat Micro style Attaches to thin cable only has areduced current rating white CAN signal signal a blue signal signal Open Plug in Cable wires attach to a removable connector Fixed Cable wires attach directly to non removable screw bare drain shield n a terminals or equivalent on device black V p
92. und media Gland nuts secure the cables entering the ports of the DeviceBox tap To attach a DeviceBox tap 1 Cut the required lengths from reels of trunk line using a sharp cable cutter providing sufficient length in each segment to reduce tension at the connection Important Cover the bare drain wire in the enclosure with the insulating tubing supplied in the accessory kit 2 Insert conductors into the terminal block clamping cavities following the color coding specified for the terminal blocks at the incoming and outgoing thick cables and as many as eight thin cables thin cable terminal blocks thick cable terminal blocks black 0 0 Pe8233 blue 0 0 white ooooo drain O drain white O 0 blue 0 0 28559 55 trunk line 55 gg line drain O 0 drain thick cable B 7 9 thick cable white O 10 me it red 0 0 black Au LH Ey lt Q red dh blue 0 0 white Pa drain 0 0 7 26 T le T white Q O blue m red 0 0 drop lines plug drop lines black O red thincable andnut thin cab
93. urthest from the power supply and causes the greatest incremental voltage drop power supply 244m 800 ft 122m 400 ft 30m 15m 100 ft 50 ft TR PT 1 01 02 03 04 1 0 0 50 0 50 0 25 TR terminating resistor T T Port tap PowerTap 0 41859 1 Find the voltages for each device using the equation for thick cable SUM L x 0 0045 x 0 005 x In lt 4 65V Di A 50 x 0 0045 1 x 0 005 x 1 00 0 23V 1 0A D2 B 100 x 0 0045 2 x 0 005 x 0 50 0 237 0 50A D3 C 400 x 0 0045 3 x 0 005 x 0 50 0 91V 0 50A M D 800 x 0 0045 4 x 0 005 x 0 25 0 91V 0 25A 1 Add each device s voltage together to find the total voltage 0 23V 0 23V 0 91V 0 91V 2 28V Results the total voltage does notexceed 4 65 V the system will operate properly 2 28 lt 4 65V The percent loading is found by dividing the total voltage by 4 65 V Loading 2 28 4 65 49 DN 6 7 2 May 1999 4 20 Determine Power Requirements One Power Supply Middle Connected Example of Thick Cable This example is used to check loading on both sides of a middle connected supply on a thick cable trunk line Keep the loads especially the higher ones close to the power supply If the devic
94. viceNet common mode drop voltage DeviceNet power economizing 2 high inrush currents B 2 DeviceNet power supply powering output devices 4 1 DeviceNet voltage limits output powei B 1 DevicePort tap diagram auxiliary power cable 3 13 end cap installation KwikLi KwikLink cable 3 9 KwikLink connector installation 3 9 KwikLink connectors 2 11 diagrams components 2 1 DeviceBox tap 2 6 3 7 DevicePort tap 2 7 8 8 direct connection 1 42 9 PowerTap tap preterminated thick cable 2 12 thin cable 2 12 connecting to DeviceBox tap connecting to DevicePort tap 243 connecting to T Port tap thick cable 2 2 thin cable 2 3 T Port tap 2 5 diodes transient protection B 2 direct connection connecting to trunk line 2 4 description 1 4 2 9 open style fixed 2 4 plug in zero length drop 1 4 distance maximum cable determining 1 3 drift temperature 1 8 time 1 8 drop cable kwikLink installation open styld 3 11 drop line allowable 1 9 connection types open style hard wire screw terminals 3 8 pluggable screw connectors soldered sealed style quick disconnect connectors micro 3 8 definition determining communication rate current equation 1 9 including as part of cable length 1 3 rating E economizing coils DeviceNet powe end cap installatio end segment current chart two powe

DN-6.7.2, DeviceNet Cable System, Planning and Installation Manual

Contents

Download Pdf Manuals

Related Search

Related Contents