ControlLogix ControlNet Bridge
Contents
1. Access Port Network Address Switches not shown Backplane odule Status See page j Connector Alphanumeric Display J gt ControlNet Inn Module L 20530 2 Channel Status 3 in 0 E ndicators ndicator WW V E O J Network Address E Network ar Channel B BNC Connector gt 1756 CNBR only aa l q pur i X channel A BNC Connector Front View Side View Publication 1756 IN571B EN P April 2001 10 Set the Module s Network Address Switches Use your fingers or a small screwdriver to set the module s network address switches For modules in a standalone chassis you must specify a unique ControlNet network address for modules in a redundant chassis you must specify the same address for the secondary module that you specified for the corresponding primary module You can select an address of O1 to 99 for modules in a standalone chassis or O1 to 98 for modules in redundant chassis Note that OO is an invalid ControlNet address side of module top of module A Ia E a jl E 5 s l D T KO This module s network address is 23 Publication 1756 IN571B EN P April 2001 11 Prepare the Chassis for Module Installation Before you install the CNB module you m2. D are suitable for use in Class I Division 2 Groups A B C D Hazardous Locations and nonhazardous locations only Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code When combining products within a system the most adverse temperature code lowest T number may be used to help determine the overall temperature code of the system Combinations of equipment in your system are subject to investigation by the local Authority Having Jurisdiction at the time of installation WARNING EXPLOSION HAZARD e Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous e Do not disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous Secure any external connections that mate to this equipment by using screws sliding latches threaded connectors or other means provided with this product e Substitution of components may impair suitability for Class I Division 2 e If this product contains batteries they must only be changed in an area known to be nonhazardous Publication 1756 IN571B EN P April 2001 29 Informations sur l utilisation de cet quipement en environnements dangereux Les produits marqu s CL I DIV 2 GP A B C D ne conviennent qu a une utilisation en environnements de Classe I Division 2 Groupes A B C D dangereux et non dangereux
3. EN P April 2001 Prepare to Install the Module Before you install the module make sure you 1 Know how to handle the module see page 5 2 Have all of the necessary components shown below 1756 CNB or 1756 CNBR 1756 A4 1756 A7 1756 A10 1756 PA72 75 or 1756 PB72 75 1756 A13 or 1756 A17 power supply 1786 TPR TPS TPYR or TPYS 1786 TP temporary network connections small screwdriver optional te 1 1786 TPS or 1786 TPYS taps recommended for network connections 3 Know the type of ControlNet network There are two types of scheduled traffic networks for ControlNet single keeper networks and multi keeper networks Publication 1756 IN571B EN P April 2001 All 1756 CNB and 1756 CNBR modules are keeper capable as listed in the following table CNB R Series Major Minor Revision Keeper Type A 1 XX Single Keeper 2 XX Multi Keeper C 3 XX Single Keeper C 4 xx Multi Keeper D 5 XX Multi Keeper You must match the keeper to the type of network or upgrade the firmware of the module at MAC ID 01 to be multi keeper capable Refer to the ControlLogix ControlNet Interface Module User Manual publication 1756 6 5 3 for more information Publication 1756 IN571B EN P April 2001 Identify Module Features Refer to the following figure to identify the hardware components of the 1756 CNB and CNBR modules
4. Turn chassis power supply off 3 Remove the module from the chassis 4 Set the network address switches to a unique address 01 99 5 Install the module in the chassis 6 If off turn chassis power supply on RACK Cannot read backplane EEPROM Replace the chassis ERR or rack slot address incorrec STOP CNB commanded to stop Remove non redundancy unctioning by the redundancy compliant CNB from redundant module This occurs when a secondary chassis and replace non redundancy compliant CNB with redundancy compliant CNB is placed into a redundant secondary chassis WAIT CNB waiting for the redundancy None required RM module to complete power up Flashing BOOT odule has invalid firmware Update module firmware with Red ControlFlash Update Utility ROM Flash update is in progress None required UPDT SNGL odule detected that it has Update the CNB module s KPR been connected to a Cnet 1 5 firmware at MAC ID 01 and single keeper network reschedule the network Publication 1756 IN571B EN P April 2001 25 Diagnostics LED Display OK Cause Action Green OK Normal operation None required INIT Module is initializing BW Module is receiving too much None require temporary gt MAX network traffic and connections condition are timing out The network If this happens frequently add bandwidth has been exceeded another 1756 CNB or CN
5. 1 NAP RJ 45 with shield 8 pin with shield cable quad shield RG 6 coaxial cable ground isolation transformer Electrical power dissipation 5 14W hermal dissipation 17 5 BTU hr backplane current 970 mA 5 1 V 10A 5 1V 1 7 mA 24V 1 7 mA 24V Environmental operational 0 to 60 C 32 to 140 F emperature storage 40 to 85 C 40 to 185 F emperature relative humidity 5 to 95 without condensation Physical ocation any slot in a 1756 chassis weight 0 260 kg 0 57 Ib 0 293 kg 0 64 Ib Agency Certification when product or packaging is marked O Listed Industrial Control Equipment Certified Process Control Equipment Certified Class Division 2 Group A B C D lt gt Approved class Division 2 Group A B C D apenbven C Marked for all applicable directives Marked for all applicable acts N223 Publication 1756 IN571B EN P April 2001 31 SS ControlLogix is a trademark of Rockwell Automation ControlNet is a trademark of ControlNet International Ltd Publication 1756 IN571B EN P April 2001 Reach us now at www rockwellautomation com Wherever you need us Rockwell Automation brings together leading brands in industrial 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 comp
6. 6 2 1 TIP For network connections we recommend taps Tr with a straight connector 1786 TPS or 1786 TPYS because of the location of the BNC connectors on Be the bottom of the module Publication 1756 IN571B EN P April 2001 17 Connecting to the Network Using a Tap Perform the following steps to connect the module to the network using a tap 1 Remove and save the dust cap s from the ControlNet tap s Do not allow any metal portions of the tap to ATTENTION contact any conductive material If you disconnect the tap from the module place the dust cap back on the straight or right angle connector to prevent the connector from accidentally contacting a metallic grounded surface Segment 1 1756 CNB segment 1 1756 CNBR segments 1 and 2 2 Connect the tap s straight or right angle connector to the module s BNC connector If your node supports Connect the tap s connector non redundant media to the channel A connector on the module 1756 CNB channel B on the 1756 CNBR is not used redundant media efrom trunkline A to channel A on the 1756 CNBR efrom trunkline B to channel B on the 1756 CNBR TT While both channels are active Rockwell recommends using channel A for non redundant media Publication 1756 IN571B EN P April 2001 To prevent inadvertent reversal of the ta IMPORTANT pe eee P connections resulting in incorrect status displays requiring trouble
7. BR and split the traffic between them CMPT Secondary CNB is compatible None required with its partner DSNP Secondary CNB is disqualified Check corresponding slot of with no partner primary chassis for type and revision of module PwDS CNB is primary with a Check the type and revision of the disqualified secondary partner 1756 CNB module PwQg CNB is primary with a qualifying Redundant system status No secondary partner action required PwOS CNB is primary with a qualified secondary partner PwNS CNB is primary with no Check corresponding slot of secondary partner secondary chassis for correct module Ofng Secondary CNB is qualifying Redundant system status No as Secondary CNB is qualified action required SW Node address switch changed one required but we recommend ERR after power up hat you either return switches to heir original settings or replace he module since this could indicate a latent hardware problem Flashing CNFG ControlNet configuration error Recheck configuration Green ERR NET Network cabling error or no Re check your network cabling ERR other active nodes on network and make sure another node on he network is active on line Publication 1756 IN571B EN P April 2001 26 Diagnostics LED Display OK Cause Action Greenor SO_1 Old primary switchover phase 1 If the display shows any message Off in progress for mo
8. Chaque produit est livr avec des marquages sur sa plaque d identification qui indiquent le code de temp rature pour les environnements dangereux Lorsque plusieurs produits sont combin s dans un systeme le code de temp rature le plus d favorable code de temp rature le plus faible peut tre utilis pour d terminer le code de temp rature global du syst me Les combinaisons d quipements dans le syst me sont sujettes inspection par les autorit s locales qualifi es au moment de l installation RISQUE D EXPLOSION e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher l quipement e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher les connecteurs Fixer tous les connecteurs externes reli s cet quipement l aide de vis loquets coulissants connecteurs filet s ou autres moyens fournis avec ce produit e La substitution de composants peut rendre cet quipement inadapt une utilisation en environnement de Classe 1 Division 2 e S assurer que l environnement est class non dangereux avant de changer les piles Publication 1756 IN571B EN P April 2001 30 Module Specifications 1756 CNB 1756 CNBR ControlNet connectors e 1 BNC connector for e 2BNC connectors Interface non redundant media for redundant operation media operation e 1 NAP RJ 45 8 pin e
9. We use the following note to call attention to critical information IMPORTANT Identifies information that is critical for successful application and understanding of the product Change bars are used to indicate information that has changed or been added since the previous version of these instructions Publication 1756 IN571B EN P April 2001 Understanding Compliance to European Union Directive If this product bears the CE marking it is approved for installation within the European Union and EEA regions It has been designed and tested to meet the following directives EMC Directive This product is tested to meet Council Directive 89 336 EEC Electromagnetic Compatibility EMC and 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 e EN 50082 2 EMC 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 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 following Allen Bradley publications e Industrial Automation Wiring and Grounding Guidelines publicatio
10. ating OK A xx _ See the troubleshooting table beginning on page 23 Publication 1756 IN571B EN P April 2001 20 Connecting a Programming Terminal to the Network Using 1786 CP Cable To connect a programming terminal to the network using a 1786 CP cable you have the following options 1 using a 1784 KTC KTCx or PCC communication card and a 1786 CP cable 1756 CNBR 1784 KTC KTCx A A PCIC or PCC card FREE NE 1786 CP Cable S ControlNet link IMPORTANT To work properly the primary and redundant partner module must be connected to the same network segment If you are using redundant media connect the channel of each partner to the same network segment 2 using a 1770 KFC communication interface a serial or parallel connection and a 1786 CP cable 1756 CNBR S 1770 KFC Le F 1786 Cpl U Cable Serial or parallel ii a connections g Eu a ControlNet link an Publication 1756 IN571B EN P April 2001 J 21 The 1786 CP cable can be plugged into any ControlNet product s NAP to pro
11. e a static safe work station e When not in use keep the module in its static shield bag For additional information refer to publication 1770 4 1 Industrial Automation Wiring and Grounding Guidelines Publication 1756 IN571B EN P April 2001 Understanding Standalone and Redundant Control You can use both the 1756 CNB and 1756 CNBR modules either standalone or in a redundant control chassis pair For standalone control only one set of modules is required For redundant control two ControlLogix chassis are populated with identical pairs of modules called partners The chassis that performs active control is called the primary chassis and the modules in the chassis are called primary modules The other chassis is called the secondary chassis and the modules in the chassis are called secondary modules These installation instructions discuss both standalone and redundant control read them carefully to distinguish the procedures and requirements for each type of control IMPORTANT If you use redundant control you must select the same ControlNet Network address for each set of partner modules You must also place the partner module s in the same corresponding slot s in their respective redundant control chassis pair 1756 SRM 1756 CNB CNBR Primary Chassis Redundant Control Chassis Pair 1756 SRM 1756 CNB CNBR Secondary Chassis 1 0 Chassis 1756 CNB CNBR ControlNet Network Publication 1756 IN571B
12. etitive advantage is supported by thousands of authorized partners distributors and system integrators around the world Alen Bradiey Es Dose Americas Headquarters 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Eo European Headquarters SA NV avenue Herrmann Debroux 46 1160 Brussels Belgium Tel 32 2 663 06 00 Fax 32 2 663 06 40 sie Rockwell Asia Pacific Headquarters 27 F Citicorp Centre 18 Whitfield Road Causeway Bay Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Automation Publication 1756 IN571B EN P April 2001 PN 957536 76 Supersedes Publications 1756 5 32 December 1999 and 2001 Rockwell International Corporation Printed in USA 1756 5 71 July 1998
13. hese states Cause Action AJ and sf Off No power None or power up Steady red Faulted unit Cycle power or reset unit If fault persists contact A B representative or distributor Alternating Self test None red green Alternating red off Incorrect node configuration Check network address and other ControlNet configuration parameters Cause Action A or Zi ff 0 Channel disabled Program network for redundant media if required Steady green ormal operation None Flashing green off Temporary errors None unit will self correct ode is not configured to goon Make sure the configuration ine manager node is present and working and selected address is not greater than selected UMAX Flashing red off edia fault Check media for broken cables loose connectors missing terminators etc o other nodes present on Add other nodes to the network network Flashing red green Incorrect network configuration Cycle power or reset unit If fault persists contact A B representative or distributor TT The configuration manager node is the node responsible for distributing ControlNet configuration data to all nodes on the network Publication 1756 IN571B EN P April 2001 28 Hazardous Location information The following information applies when operating this equipment in hazardous locations Products marked CL I DIV 2 GP A B C
14. n 1770 4 1 e Automation Systems Catalog publication B113 Open style devices must be provided with environmental and safety protection by proper mounting in enclosures designed for specific application conditions See NEMA Standards publication 250 and IEC publication 529 as applicable for explanations of the degrees of protection provided by different types of enclosure Publication 1756 IN571B EN P April 2001 Enclosure and Environmental Requirements Specific To This Product This product must be mounted within a suitable system enclosure to prevent personal injury resulting from accessibility to live parts The interior of this enclosure must be accessible only by the use of a tool This industrial control equipment is intended to operate in a Pollution Degree 2 environment in overvoltage category II applications as defined in IEC publication 664A at altitudes up to 2000 meters without derating Preventing Electrostatic Discharge The 1756 CNB and 1756 CNBR modules are sensitive to electrostatic discharge Electrostatic discharge can damage integrated ATTENTION circuits or semiconductors if you touch backplane connector pins Follow these guidelines when you handle the module e Touch a grounded object to discharge static potential e Wear an approved wrist strap grounding device e Do not touch the backplane connector or connector pins e Do not touch circuit components inside the module e If available us
15. onnector or the module Publication 1756 IN571B EN P April 2001 15 Removing or Replacing the Module if needed gt Upper tab Ss Sol Push on the upper and lower tabs to disengage them Then slide the module out of the chassis If you are replacing an existing module with an identical one and you want to resume identical system operation you must install the new module with the same ControlNet address in the same slot Connect the Module to the Network You can connect the module to the ControlNet network using a tap 1786 TPR TPS TPYR TPYS or a network access cable 1786 CP TIP Use the 1786 CP cable for temporary connections TP G e programming software For permanent i connections use a tap Publication 1756 IN571B EN P April 2001 16 The following figure shows an example ControlNet network using redundant media 1756 CNBR L ControlNet in 1756 A4 chassis 1 node gt T S ey Ba ws g F A ControlNet link bon redundant media GE AA optional z of j ControlNet H o node LE I 5 When connecting the 1756 CNB R module to a ControlNet network you should also refer to the following documentation e ControlNet Coax Tap Installation Instructions publication 1786 5 7 e ControlNet Cable System Planning and Installation Manual publication 1786
16. rds The illustrations charts 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 Publication 1756 IN571B EN P April 2001 w Throughout this manual we use the following notes to make you aware of safety considerations Identifies information about practices or circumstances that have the potential to create an explosion hazard Identifies information about other practices or ATTENTION i ia circumstances that can lead to personal injury or death property damage or economic loss Warning and Attention statements help you to e identify a hazard e avoid a hazard e recognize the consequences
17. re than three seconds then S0_2 Old primary switchover phase 2 the CNB module failed during in progress transition from one redundancy phase to another Replace one or 0_3 Old primary switchover phase 3 both redundancy modules n progress SN_1 ew primary switchover phase 1 in progress SN_2 ew primary switchover phase 2 in progress SN_3 ew primary switchover phase 3 in progress Cpt CNB has not determined if it is compatible ICpt CNB has determined that it is Replace the CNB module with not compatible correct type and revision Tf switches are set to 00 the display scrolls FAULT ADDRESS SWITCHES 00 ILLEGAL If switches are set to 99 in a redundant chassis the display scrolls FAULT ADDRESS SWITCHES 99 ILLEGAL IN REDUNDANT SYSTEM ControlNet Channel Status Indicators The ControlNet channel status indicators appear in one of the following states e steady indicator is on continuously in the defined state e alternating the two indicators alternate between the two defined states at the same time applies to both indicators viewed together The two indicators are always in opposite states out of phase e flashing the indicator alternates between the two defined states applies to each indicator viewed independent of the other If both indicators are flashing they must flash together in phase Publication 1756 IN571B EN P April 2001 27 The following table summarizes the meanings of t
18. shooting check the tap drop cable for the label indicating the attached segment before making your connection To work properly when you use modules in a redundant control chassis pair the primary and redundant partner modules must be connected to the same network segment If you are using redundant media connect the channel of each partner to the same network segment N is fs ay WE Segment 1 il Segment 2 c LETT Tap Publication 1756 IN571B EN P April 2001 19 3 Apply power to the module and check module status Use the following flowchart as a guide Turn the chassis power supply on Module status indicator red Module performs a power on self test initialization 1 INIT See the troubleshooting table on page 23 Modules a OR redundant chassis pa re in a control ir WAI 1 RM Modul status No indicator red Yes Initialization is complete The status indicator blinks green INIT has failed and the module displays an error message see pages 23 26 Channel A and B indicators alternately 4 flash Channel A and B indicators display the network condition as listed on page 26 e Replace the module Module status displays 0K Module is functiona and oper
19. ule in slot 3 in the redundant chassis Slot 0 Slot 2 Slot 1 Slot 3 Power Supply O RE TEE Chassis Publication 1756 IN571B EN P April 2001 Installing or Removing the Module Under Power You can install or remove the module while chassis power is applied if you observe the following precautions WARNING backplane power is on an electrical arc may occur An electrical arc can cause personal injury or property damage by e sending an erroneous signal to your system s actuators causing unintended machine motion or loss of process control e causing an explosion in a hazardous environment Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connector Worn contacts may create electrical resistance that can affect module operation Publication 1756 IN571B EN P April 2001 14 Install the Module Align the circuit board with top and bottom guides in the chassis Circuit board Slide the module into the chassis The module is properly installed Make sure the module backplane when it is flush with the power connector properly connects to supply or other installed modules the chassis backplane Do not force the module into the backplane ATTENTION A connector If you cannot seat the module with firm pressure check the alignment Forcing the module into the chassis can damage the backplane c
20. ult 3 Make sure the module is firmly seated in the chassis 4 If the indicator remains off replace the module Red Msg odule s network address is set 1 Optional see page 11 scrolls to 00 an invalid ControlNet Turn chassis power supply off address or 99 an invalid 2 Remove the module from the ControlNet address if you are chassis using redundant control See 3 Set the network address ootnote at end of table switches to a unique address 01 99 or 01 98 if redundant control 4 Install the module in the chassis 5 If off turn chassis power supply on BPA Module detected a different slot Replace the chassis or module ERR address from that latched in at power up Excessive noise on the backplane causes this error BPRX Too many CRC errors being Replace the module ERR generated by the multicast backplane receiver so the backplane multicast receivers have been shut off BPIC Hardware fault Replace the module ERR within the module CNIC ERR Publication 1756 IN571B EN P April 2001 24 Diagnostics LED Display OK Cause Action Red DUPL For a redundant system this may 1 For redundant systems only NODE be a temporary condition during Wait 10 seconds if the chassis switchover Otherwise condition persists perform the the module s network address is following steps the same as another module s on 2 Optional see page 11 the link
21. ust install and connect a ControlLogix chassis and power supply A 4 slot chassis with a power supply is shown below D D ER NS LA GS Ee ESS te ka ie a Chassis For information on installing these products refer to the publications listed in the following table Chassis Chassis Power Power Supply Type Installation Supply Installation Series B 1756 A4 A7 A10 A13 Pub No 1756 PA72 B Pub No 1756 IN080 1756 5 67 1756 PB72 B 1756 PA75 A Pub No i 1756 5 78 1756 PB75 A Publication 1756 IN571B EN P April 2001 12 Determine Module Slot Location The figure below shows chassis slot numbering in a 4 slot chassis Slot 0 is the first slot and is always the leftmost slot in the rack the first slot to the right of the power supply You can use any size ControlLogix chassis and install the module in any slot You can also install multiple 1756 CNB R modules in the same chassis You can install as many modules as your power supply can accommodate G e number for which the power supply is rated If you plan to install a redundant system you must place the primary and redundant module s in the same corresponding slot in their respective chassis For example if you place a 1756 CNBR module in slot 3 from the left in the primary chassis you must also place a 1756 CNBR mod
22. uw Installation Instructions ControlLogix ControlNet Bridge Catalog Numbers 1756 CNB CNBR Series C and D Use this document as a guide to install the ControlLogix ControlNet Bridge module For Information About See page Important User Information 2 Understanding Compliance to European Union Directive 4 Preventing Electrostatic Discharge 5 Understanding Standalone and Redundant Control 6 Prepare to Install the Module 7 Identify Module Features 9 Prepare the Chassis for Module Installation 11 Set the Module s Network Address Switches 10 Prepare the Chassis for Module Installation 11 Prepare the Chassis for Module Installation 11 Install the Module 14 Connecting to the Network Using a Tap 17 Connecting a Programming Terminal to the Network Using 1786 CP Cable 20 Troubleshooting 22 Module Status Indicator and Display 23 ControlNet Channel Status Indicators 26 Hazardous Location information 28 Module Specifications 30 Publication 1756 IN571B EN P April 2001 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 standa
23. vide programming capability on the ControlNet network A programming terminal connected through this cable is counted as a node and must have a unique network address Use a 1786 CP cable when connecting a programming terminal to the network through NAPs Using a commercially available RJ style cable could result in network failure Publication 1756 IN571B EN P April 2001 22 Troubleshooting The 1756 CNB and 1756 CNBR modules have the diagnostic indicators shown below 1756 CNB 1756 CNBR ne Module Status Display see REZA A 24 pages 23 to 26 a ooo Module Status Indicator a AY ok see pages 23 to 26 ControlNet Channel Status Indicators see page 26 av I N 0 U Channel A BNC connector Channel B BNC connector Publication 1756 IN571B EN P April 2001 23 Module Status Indicator and Display The Module Status Indicator LED and Module Status Display provide diagnostic information as summarized in the following table Diagnostics LED Display OK Cause Action Off None odule not communicating due 1 Check the power supply to a power supply fault or 2 Check the cable connectors nternal fa
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