1771-6.5.110, ControlNet Adapter Module User Manual
Contents
1. Example Nondiscrete Output Module Communications Uh H 2 h T XI OL WIL WW T m q c3 Ea e rell 5 o SEE ERIE 118 EFEN Y E E 5 i JR E ER ETE 1410 Nondiscrete Output Module 1 The processor opens a connection to the adapter for producing the data for the nondiscrete module 2 The processor produces the most recent copy of the designated data table value you specified in your configuration onto the network at or faster than the Expected Network Packet Time 3 The adapter consumes the packet from the processor and initiates a nondiscrete2. Example Nondiscrete Input Module Communications ab JL Wy ur qv ur wu ui r3 LI ERE te a al e 00 0 g a 3 E gt E 1 E a m E c 01234567 17 Sai Nondiscrete Input Module 1 The processor opens a connection to the adapter for consuming the data from the nondiscrete module The processor requests the adapter to produce the module s data at the Expected Network Packet Time you entered in the configuration 2 Upon receiving the request the adapter starts initiating continuous read requests to the module This occurs asynchronous to any activity on the network 3 The module processes the read requests and responds to the adapter as fast as it can 4 The adapter produces the most recently received copy of the module s data on the network at or faster than the Expected Network Packet Time Note If the nondiscrete input module can only respond to read requests every 50ms and you set your update time to 10ms the adapter will be sending 5 copies of each data block Planning to Use Your ControlNet Adapter Module 4 5
3. za E Slot 0 A Input Module Group 0 aa Slot 1 Output Module Group 1 14258 1 0 Chassis Series or later only 1 0 Module Combinations Per I O Group Addressing Modes for Your I O 3 9 I O Module Combinations The combination of I O modules you can use depends on the addressing method and I O chassis you select The table below lists acceptable I O module combinations with 1 slot addressing Table 3 B Module Combinations With 1 slot Addressing Data Table Bits Used Input Image Table Output Image Table 1 8 point input modules 16 0 1 8 point output modules cow cd 16 1 8 point input and output module 8 1 8 point input and 1 nondiscrete output 8 module 1 nondiscrete and 1 8 point output module EE NN 16 1 nondiscrete module 16 16 any mix of 8 16 and 32 point input and 16 16 output modules when using 32 point modules install in pairs input and output in each group any mix of 8 and 16 point modules and 16 16 nondiscrete or intelligent modules Using 1 2 Slot Addressing Definition The processor addresses one half of an I O module slot as one I O group Concept The physical address of each I O slot corresponds to two input and two output image table words The type of module you install 8 16 or 32 point determines the numb
4. Publication 1771 6 5 110 3 2 Publication 1771 6 5 110 Addressing Modes for Your I O I O groups are made up of I O terminals Figure 3 1 An I O group is an addressing unit that can contain up to 16 input terminals and 16 output terminals You select an I O chassis to have either 2 slot 1 slot or 1 2 slot I O groups Figure 3 1 I O Group Up to 16 Input Terminals and 16 Output Terminals amp p s so 1 m B ri 1 S O utput or Input kN O utput Input Terminals Si S Terminals Terminals 00 00 00 01 9 S 01 01 02 _ 02 02 _ 03 08 03 04 S S 04 04 Q8 Q8 oe 07 9 S 07 07 10 10 10 11 Sj a 11 11 12 q S 12 12 N 13 13 13 14 S Gi 14 14 _ 15 15 15 16 S S 16
5. Overview of Example Example Support Services Technical Support Engineering and Field Services Technical Training Repair and Exchange Services Preface Using This Manual Preface Objectives Read this preface to familiarize yourself with this manual and to learn how to use it properly and efficiently Audience We assume that you have previously used an Allen Bradley programmable controller that you are familiar with its features and that you are familiar with the terminology we use If not read the user manual for your processor before reading this manual Vocabulary In this manual we refer to e the individual ControlNet adapter module as the adapter or the module the programmable controller as the controller or the processor What This Manual The contents of this manual are as follows Contains What This Manual Contains Chapter Title What s Covered 1 Introducing the ControlNet Adapter Describes features capabilities and hardware Modules components Procedures and guidelines for installing the module 2 Your ControlNet Adapter including power requirements location setting ogue switches and actual installation 3 Addressing Modes for Your I O Hardware addressi
6. 11867 Addressing Modes for Your I O 3 5 Figure 3 4 8 point Input and Output Modules Using Eight Bits of the Input Image Table Word and Eight Bits of the Output Image Table Word 2 slot I O Group THI zw Li 000000000 Input Output Terminals Terminals 00 S 10 01 S 11 02 T 12 03 13 04 14 05 15 06 16 07 17 17 16 15 14 13 1211 10 07 06 05 04 03 02 01 00 Output image table word corresponding to the I O group 317 16 15 14 13 1211 10 07 06 05 04 03 02 01 00 Output bits used unused Input image table word corresponding to the I O group Always 0 Input bits used 14965 Publication 1771 6 5 110 3 6 Addressing Modes for Your I O Publication 1771 6 5 110 Using High density 16 point I O Modules 16 point I O modules provide 16 input terminals or 16 output terminals 16 point I O modules use a full word in the input or output image table when they are addressed as a 2 slot I O
7. ieee cw IDs 2 nondiscrete modules 16 s epus Publication 1771 6 5 110 3 4 Addressing Modes for Your I O Publication 1771 6 5 110 Using Standard density I O 8 point Modules Standard density I O modules provide eight input terminals or eight output terminals Figure 3 3 illustrates the 2 slot I O group concept with two 8 point input modules Figure 3 4 shows an 8 point input module and an 8 point output module in a 2 slot I O group Figure 3 3 Two 8 point Input Modules Using One Word of the Input Image Table amp zl f Input 4 Input Terminals Terminals 00 E JS 10 01 TS TS 11 02 1954 T 12 03 US HE 13 04 B DOI 14 05 e 15 06 120 JG 16 07 JJ 17 O Q to the I O group Output image table word corresponding 2 slot I O Group 17 16 15 14 131214 10 07 06 05 04 03 02 01 00 to the I O group unused Input image table word corresponding 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
8. 1 Remove the tap s dust cap located on the straight or right angle connector If your node supports Connect the tap s straight or right angle connector Non redundant media to the channel A connector on the 1771 ACN or 1771 ACNR channel B on the 1771 ACNR is not used Redundant media from trunkline A to channel A on the 1771 ACNR e from trunkline B to channel B on the 1771 ACNR While both channels are active Allen Bradley recommends using channel A for non redundant media Publication 1771 6 5 110 Installing Your ControlNet Adapter Module 2 7 ATTENTION Do not allow any metal portions of the tap to contact any conductive material If you disconnect the tap from the adapter 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 20093 1 2 Remove and discard the dust caps from the adapter BNC jacks 3 Connect this tap s straight or right angle connector to the AU BNC connector on the adapter segment 1 Important To prevent inadvertent reversal of the tap connections resulting in incorrect LED displays and troubleshooting check the tap drop cable for a label indicating the attached segment before making your connection 20093 1 4 For redundant adapters 1771 ACNR remove and save the dust cap located on the straight or right angle connector of the designated
9. Allen Bradley ControlNet Adapter Module U Ser Manual Cat No 1771 ACN and ACNR 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 in part without written permission of Allen Bradley Company Inc is prohibited Throughout this manual we us
10. Wa 1 2 slot Q 02 12 I O Group QJ 04 1 0 Group 06 1 07 N Gl Input Word 1 a C 10 we Image Table CJ 12 Words Allocated CJ 14 Sunny for I O Group 1 19 SS 16 17 10 7 0 17 Q KS Unused 9 14259 Table 3 C 1 0 Module Combinations With 1 2 slot Addressing 1 0 Module Combinations Per I O Group 1 8 point input modules 1 8 point input and 1 nondiscrete output module 1 nondiscrete and 1 8 point output module 1 nondiscrete module any mix of 8 16 and 32 point input and output modules nondiscrete modules and intelligent modules Publication 1771 6 5 110 Input Image Table Data Table Bits Used Output Image Table 16 0 0 16 8 8 16 8 8 16 16 16 16 Addressing Modes for Your I O 3 11 Addressing Summary Use this table as a quick reference for addressing Addressing Mode 2 slot 1 slot 1 2 slot Guidelines Two module slots 1 group Each physical 2 slot group corresponds to one word 16 bits in the input image table and one word 16 bits in the output image table When you use 16 point I O modules you must install as a pair an input module and an output module in an I O group if you use an input module in slot 0 you must use an output module in slot 1 or it must be empty This configuration gives you the maximum use of You cannot use a nondiscrete module and a 16 point module in the same I O group because nondiscrete modules u
11. You select 1 slot addressing You select 2 slot addressing Not allowed 10802 1 Publication 1771 6 5 110 Setting the Chassis Power Supply Configuration Plug For Use With Y_N power supply module installed in chassis external power supply in your remote system Installing the Adapter Module in the Chassis locking bar pins x f st 12453 1 C Set Chassis Configuration Plug to Y position Li N position ial Installing Your ControlNet Adapter Module 2 5 Set the I O chassis power supply configuration plug Figure 2 4 to identify the type of power supply you are using with your remote chassis This configuration plug is located on the backplane of 1771 A1B through A4B or later I O chassis Figure 2 4 1771 1 0 Chassis Power Supply Configuration Plug Settings I O Chassis Power Supply Configuration Plug POWER SUPPLY MODULE IN THIS CHASSIS Once you ve determined the power requirements and keying for your adapter module and have set the appropriate switch assemblies you can use the following procedure to install it Refer to the Industrial Controller Wiring and Grounding Guidelines publication 1770 4 1 for proper grounding and wiring methods to use when installing your module ATTENTION Remove system power before removing or installing your module in the I O chassis Failure to observe
12. 1 1 1 mi IL 1 mi m T 1 iui 2 i n 13074 Power Source Not Indicated 1 0 Chassis Series or later only Addressing Modes for Your I O 3 3 Using 2 Slot Addressing Definition The processor addresses two I O module slots as one I O group Concept Each physical 2 slot I O group is represented by a word in the input image table and a word in the output image table Each input terminal corresponds to a bit in the input image table word and each output terminal corresponds to a bit in the output image table word The maximum number of bits available for one 2 slot I O group is 32 16 bits in the input image table and 16 bits in the output image table The type of module you install either 8 or 16 point I O determines the number of bits in the words that are used You select 2 slot addressing by setting switches 5 and 6 of the I O chassis backplane switch assembly to the OFF position as shown in Chapter 2 T O Module Combinations The combination of I O modules you can use depends on the addressing method and I O chassis you select Table 3 A lists acceptable I O module combinations with 2 slot addressing Table 3 A Module Combinations With 2 slot Addressing Module Combinations Per I O Group Input image Perth Tee Ola Ima e Table 2 8 point input modules 0 1 8 point input and output module 8
13. 16 S 17 RS S 17 tj 4 1 jung im 1 2 slot I O Group 1 slot I O Group 13073 I O racks are made up of I O groups Figure 3 2 An I O rack is an addressing unit that can contain up to eight I O groups Figure 3 2 I O Rack Up to Eight I O Groups 1 1 1 1 1 1 1 1 CM 1 2 3 4 5 6 7 i C Te li l almimlmwtimlmiumimumlimum tumimiimlimlm or HW ILI I ILI ILI ILI ILI HEHIEIEIEIBIBSIBIBIBIBIBISBIS iL jim jim m IL BIRI BIEI HB HH H IL ILI EB ILI LL 0 BIEI EI E H 6 oH ILI iL ia m L ILI IL ILI IL IL i IL IL IL 51 ILI IL 57 1 imi mi uu mii
14. 2 3 ControlNet Network Access Cable Installation Instructions 1786 2 6 ControlNet Repeater Installation Instructions 1786 2 7 Industrial Automation Wiring and Grounding Guidelines 1770 4 1 Summary This preface gave you information on how to use this manual efficiently Chapter 1 introduces you to the ControlNet remote I O adapter module 1771 6 5 110 Chapter 1 Introducing the ControlNet Adapter Module Chapter Objectives This chapter describes the ControlNet adapter modules cat no 1771 ACN and ACNR e features hardware components including diagnostic indicators communication reset pushbutton network access port NAP ControlNet connectors network address switch assemblies Module Description and The 1771 ACN and ACNR adapters control 1771 remote I O on the Features ControINet network The ControlNet network is a communication architecture that allows the exchange of messages between Allen Bradley products and certified third party products The 1771 ACN and ACNR Adapters features include high speed data transfer diagnostic messages local communication network access through the network access port NAP redundant media 1771 ACNR only Hardware Components The adapter module consists of the following major components ControlNet status indicators status display communication reset pushbutton network access port NAP ControlNet connectors one on 1771 ACN two on 1771
15. I O image file based on the I O image file address that you enter into your configuration If you automap your system I O is mapped into the first available I O image space outside of the local rack image space For example if your local chassis is 12 slots and is using 1 slot addressing mode it will use rack numbers 0 and 1 ControlNet I O mapping would then start with rack 2 Note that even though the local chassis only used 1 2 of rack 1 ControlNet I O cannot map into any rack number used by the local chassis Always configure your remote I O system first Remote I O devices must use the I O image space which corresponds to their rack number and size A conflict could occur if you automap ControlNet first and it uses I O image space which matches a rack number on the remote I O Automap remote I O first and then automap ControlNet since ControlNet can use any unused image space I O image space for a given ControlNet connection must be contiguous ControlNet software cannot break up a map entry into multiple I O image file locations For example if you automap a device which requires 4 words of I O image table it will map into the first available 4 word block in the I O image table even if there are several 2 word blocks available prior to the 4 block area All 1771 T O placement rules for discrete I O module 8 16 and 32 point addressing still apply You can configure the adapter to scan a minimum of 0 input words to a
16. Pairs VO Wo WO WO WO 20 ex i T C 8 i m 7 m n n ET EI RT IT ER ERIT ER ERR ERIT ETT E E EDI EI E EE EDI ER EL ea o e E E ER ERE I i LI m IL IL jim im m ur n E t rn t m ur im m ur BIB mi vm B Sal I m mii Er Hu mii E HG mi E EX El yy U Ec Ec rl m F T r4 qm F T ED T EL gt LI L 1 1L LL iL C o o o o o o o o 0 1 2 34 5 6 7 8 9 10 11 12 13 14 15 Chassis Slot Number 1497
17. Supply Configuration Plug Settings Installing the Adapter Module in the Chassis Connecting Your Adapter to the ControlNet Network Connecting Programming Terminals to the Network via the NAP Powerup Sequence Chapter Summary Addressing Modes for Your I O Chapter Objectives Addressing Your I O Figure 3 1 An Group Up to 16 Input Terminals and 16 Output Terminals Figure 3 2 An I O Rack Up to Eight I O Groups Using 2 Slot Addressing Module Combinations Using Standard density I O 8 point Modules Figure 3 3 Two 8 point Input Modules Using One Word ofthe Input Image Table Figure 3 4 8 point Input and Output Modules Using Eight Bits of the Input Image Table Word and Eight Bits of the Output Image Table Word Using High density 16 point Modules Figure 3 5 16 point Input and Output Modules Using Two Words ofthe Image Table Using 1 Slot Addressing Figure 3 6 Using 32 point Modules with 1 slot Addressing Figure 3 7 1 slot 1 0 Group Concept With 32 point I O Modules Module Combina
18. counted as a node and must have a unique address ATTENTION Use the 1786 CP cable when connecting a programming terminal to the network through NAPs Using a commercially available RJ style cable could result in possible network failures Publication 1771 6 5 110 Powerup Sequence NET ADDRESS STATUS oO INIT A nn IDLE A nn Status Health Indicators Reset pushbutton Channel A and B indicators Installing Your ControlNet Adapter Module 2 9 Look carefully at the status display and health indicators when powering up the module Indications provided by these indicators meaningful indications appear on the status display and health 1 Apply power to the chassis notice that both green and red health indicators light 2 The module runs a power on self test POST During this test the status displays 0000 through 8888 3 If the red health indicator lights and the display shows POST RSET then POST has failed a Press the reset pushbutton to reset The module reruns the POST program If POST RPLC appears on the status display again POST has failed again b Replace the module a the green health indicator begins to blink and b the series revision level of the module is displayed in the status window e g A A etc and the channel A and B indicators blink alternately the module has passed POST 5 The module status displ
19. see RS 232 C port Standard Density I O module that provides up to 8 input terminals or 8 output terminals component that connects products to the ControlNet trunkline cable A tap Tag is required for each node and for both sides of each repeater 75 resistor mounted plug placed on the ends of segments to prevent reflections from occurring at the ends of cables Trunkline The bus or central part of a cable system Trunkline section A length of trunkline cable between any two taps An method of addressing where the processor can address its I O in 2 slot Two Slot Addressing I O groups We use these conventions in this manual In this manual we show Like this that there is more information about a topic in another chapter in this manual that there is more information about the topic in another manual 1771 6 5 110 4 Using This Manual Product Compatibility Publication 1771 6 5 110 Product name Processors Communication Devices Universal I O Chassis series B or later Modules Power Supplies The 1771 ACN and 1771 ACNR adapter modules are two of many hardware components that make up a programmable controller system The table below lists the hardware components and products with which you can use the adapter module Compatible Hardware Products PLC 5 20C and PLC 5 40C processors 1785 L20C 1785 L40C ControlNet KT Communicatio
20. tap on the second segment segment 2 200934 Publication 1771 6 5 110 Installing Your ControlNet Adapter Module 5 Connect this tap s straight or right angle connector to the gi BNC connector on the adapter segment 1 segment 2 200934 After terminating your segments you connect your node to the network Con necting Programming You can connect programming terminals to the ControlNet network Terminals to the Network by connecting to the network access port NAP Two methods are via the NAP shown below Using 1784 KTC or KTCx communication card and NAP Lj Using 1770 KFC communication interface and NAP H P ing Terminal Ea rog amna Programming Terminal 22 12 1784 or 9 KTOx 1770 KFC o y 1786 89 1786 CP c i Sa pE m m m e E 70 10 mQ Serial or Parallel m Connection ControlNet eee I on wm I product ControlNet jeee product ControlNet Network ControlNet Network C l joooj wees 1786 cable can be plugged into any ControlNet product s NAP to provide programming capability on the ControlNet network A programming terminal connected through this cable is
21. this warning could damage module circuitry and injure people Remove power from the I O chassis before inserting or removing the module On chassis equipped with a chassis locking bar pull the locking bar pins to release the locking bar and swing it up If installing in an earlier chassis lift the module locking latch up Place the module in the plastic tracks on the top and bottom of the leftmost slot These slots guide the module into position Press firmly and evenly to seat the module in its backplane connectors Publication 1771 6 5 110 2 6 Installing Your ControlNet Adapter Module ATTENTION not force the module into the backplane connector If you cannot seat the module with firm pressure check the alignment and keying Forcing the module can damage the backplane connector or the module 5 Snap the chassis locking bar or locking latch on earlier chassis over the top of the module to secure it Make sure the locking pins on the locking bar are fully engaged Note The chassis locking bar will not close if all modules are not properly seated Connecting Your Adapter to the ControlNet Network You connect your 1771 ACN or ACNR adapter module to a ControlNet network via taps These taps are available Straight T tap Straight Y tap Right angle T tap 1786 TPR 1786 Important Taps contain passive electronics and must be purchased from Allen Bradley for the network to function properly
22. 1771 6 5 110 2 4 Installing Your ControlNet Adapter Module Setting the I O Chassis You must set the I O chassis backplane switches and power supply Switches configuration plug Backplane Switch Assembly This switch assembly is located on the backplane of the I O chassis You use it to select the last state of all outputs the processor restart lockout feature e 1 2 l or 2 slot addressing Figure 2 3 Chassis Backplane Switch Assembly Settings for ControlNet Adapter Module in PLC 5 20C and PLC 5 40C Processor Systems UC H Processor Restart Lockout PRL ON Processor can restart the I O chassis after a communication fault Set this switch to ON if you plan to use I O rack auto configuration OFF The I O chassis must be restarted at the chassis Last State Switch ON Outputs of this chassis remain in last state when a communication fault is detected by the adapter 1 OFF Outputs of this 1 0 chassis are deenergized when a communication fault is detected by this adapter ATTENTION If switch 1 is set to the ON position out puts connected to this chassis remain in their last state when a fault occurs and machine motion may continue after fault detection We recommend that you set switch 1 to the OFF position to deenergize outputs wired to this chassis when a fault is detected 7 You select 1 2 slot addressing
23. 2 slot addressing you cannot force the input bits for word 1 1 001 on or off However in a remote chassis using a 1771 ACN or ACNR adapter all points can be forced including those not physically present In the example above chassis word 1 001 can be forced on or off Chapter Summary In this chapter we discussed how to address your hardware and the various remote I O configurations and options you can use in your remote system Publication 1771 6 5 110 Chapter Objectives Overview of Adapter Operation Chapter 4 Planning to Use Your ControlNet Adapter Module This chapter explains how the adapter operates on ControlNet and provides information to assist in configuring your system This includes overview of adapter operation discrete I O data transfer e configuring discrete I O data transfers nondiscrete I O data transfers using ControlNet I O CIO instructions e mapping directly into processor memory including examples of nondiscrete input module and output module communication configuring nondiscrete I O data transfers The controlling processor network address 01 on ControINet contains an I O map table This map table stores the information necessary for communications to be established Each map table entry corresponds to 1 transfer of data between the processor and an I O rack or between the processor and another ControlNet processor The information in each map table is used to open a logic
24. 3 Thirty two point I O modules need 32 input or 32 output bits in the processor s image table Because only 16 input and 16 output bits are available for each I O group to address a 32 point I O module the ControINet adapter module uses the unused input or output word associated with the adjacent I O slot Publication 1771 6 5 110 3 8 Addressing Modes for Your I O Publication 1771 6 5 110 When the 1771 ACN ACNR ControlNet adapter module addresses a 1 slot I O group containing a 32 point I O module the adapter module uses the unused word assigned to the adjacent I O module slot For example the adapter module uses the unused input word associated with I O slot 1 because that slot must hold an output module and does not use its input word Figure 3 7 illustrates the concept of 1 slot addressing with two 32 point I O modules Figure 3 7 1 slot I O Group Concept With 32 point I O Modules 32 point I O Modules Image Table Words Allocated for I O Group 0 gt Input Word 0 PEN Output Word 0 Image Table Words Allocated for I O Group 1 gt Input Word 1 Output Word 1
25. 3 diagnostic indicators _1 2 display mnemonics _5 2 E example layout and mapping _B 1 example of program _B 2 F factors to consider 4 2 G groups I O _3 2 guidelines addressing mode selection 3 11 new B 1 H health indicators _5 2 I O addressing 3 1 I O combinations 1 slot addressing 3 9 1 2 slot addressing 3 10 2 slot addressing 3 3 groups 3 2 I O map table 4 1 mapping discrete data transfer 4 2 nondiscrete data transfer 4 3 racks 3 2 indicators 5 1 Index installing the module 2 5 instructions CIO 4 3 K keying bands 2 1 L layout example B 1 mapping example _B 1 module switches setting _2 3 network access port 1 3 network addresses acceptable 2 3 network number assigning 2 3 nondiscrete I O communication example 4 5 nondiscrete data transfers factors to consider 4 6 nondiscrete mapping 4 4 P position keying bands 2 2 power requirements _ 2 1 powerup sequence 2 9 programming terminal connecting to network 2 8 R racks I O 3 2 redundant system example of _ 1 3 reset pushbutton _ 1 2 screen example _ 2 status indicators 5 3 switch assemblies _ 1 4 T taps connecting to network 2 6 terminology P 2 troubleshooting indicators _5 1 B Allen Bradley Publication Problem Report If you find a problem with our documentation please complete a
26. ACNR module net address switch assemblies on top of module Publication 1771 6 5 110 1 2 Introducing the ControlNet Adapter Module Publication 1771 6 5 110 Figure 1 1 ControlNet Adapter Module Module Network Address Switches BENT ud accessible thru top of module ADDRESS ADDRESS Status Display and STATUS status Net Address Diagnostic Indicators wa rece E 4 Health Indicators Jj Communication Reset Pushbutton 601 ControlNet Status Indicators Network Access Port NAP ALLEN BRADLEY ALLEN BRADLEY 1771 ACN 1771 ACNR ControlNet Media Port ControlNet Redundant Media Port 1771 ACNR only 1771 ACN 1771 ACNR Diagnostic Indicators Health indicators are located on the front panel of the adapter module Figure 1 1 They show both normal operation and error conditions in your remote I O system In addition an alphanumeric display net address status provides status code indications when an error occurs during initialization or operation A complete description of the diagnostic indicators and status display and how to use them for troubleshooting is explained in chapter 5 Communication Reset Pushbutton This pushbutton is active whenever the status display shows RSET or PRL PRL is active only when the I O chassis backplane switch is in the PRL posit
27. ERI II Ia ERI II Gr NEN WW Terminator Cgo 059 Terminator m 1510 0 0 mc 4 E 3 0 0 om 0 Lo Lo Lre rre pr PLC 5 20C or end device end device O PLC 5 40C End device supporting redundant cabling is a 1771 ACNR Refer to the ControlNet Cable System Planning and Installation user manual pub no 1786 6 2 1 for more information Publication 1771 6 5 110 1 4 Introducing the ControlNet Adapter Module Chapter Summary Publication 1771 6 5 110 Network Address Switch Assemblies You must set two switch assemblies to configure your adapter module with its unique network address You access these switches through the top of the module Figure 1 2 shows the location of the switches These switches are read on powerup to establish the network address of the module Network address switch settings are described in Chapter 2 Figure 1 2 One s Selection Ten s Selection Address Switch Assemblies For optimum throughput assign addresses to your ControlNet nodes in a sequential order starting with 02 Address 01 is reserved for the controlling processor on the network In this chapter we discussed the functions and hardware components of the ControINet Adapter Module Chapter Objectives Determining Power Requirements Determining the Module Location and Keying the Chassis Chapter 2 Installing Your ControlN
28. acement error addressing mode used chassis Illegal backplane switch settings Illegal addressing mode selected the backplane switches Power down the adapter and change Processor restart lockout switch on chassis backplane in on position Depress reset button on module to clear lockout feature or cycle power I O module or chassis backplane Replace module or chassis as bad necessary Power down the adapter and change the network address switches to correct node Another adapter with the same ControlNet address is on the link Set network address switches to correct address and cycle power to the adapter Network address switches have been changed since module powerup RAM or FLASH test failed Processor fault or watchdog timeout Contact Allen Bradley service Hardware fault Defective hardware HEALTH Q Red ADDRESS Description Green STATUS Off Module not communicating Off Blinking Module failed Power On Self Test Adapter in processor restart lockout mode Adapter to processor link is normal Communication on link Excessive noise on backplane or possible shorted backplane Duplicate node Switch error Off Fatal Power On Self Test failure Blinking Off Requires ControlNet configuration No communication with ControlNet Configuration Manager node Verify Configuration Manager node is operating Verify mapping of adapter in Processor not actively controlling Adapter n
29. al connection between 2 devices Connections are established between the processor and each adapter to exchange input and output data on the network Status information is transferred along with the I O data and is stored in a separate status file in the specified processor Refer to the ControlNet PLC 5 Programmable Controller Use Manual publication 1784 6 5 14 for more on status information available Important The processor compares the specified module type in the map table with the device with which communication is being attempted Therefore when changing from a 1771 ACN to a 1771 ACNR or vice versa you must specify the new module type in the map table Publication 1771 6 5 110 4 2 Planning to Use Your ControlNet Adapter Module Discrete I O Data Transfer Configuring Discrete I O Data Transfers Publication 1771 6 5 110 All 1771 discrete I O data is mapped into the processor s I O image table according to the user configurable I O map table stored in the processor This image table location is specified on the ControlNet configuration screen ControlNet provides significant flexibility when configuring discrete I O data transfers The following are important factors to consider as you plan and configure your system is not automatically mapped into the processor s I O image file based on the network address of the adapter If you manually configure your system I O from an adapter is mapped into the
30. annel 2 ControlNet I O Mapping MONITOR Channel 2 Configuration NODE 1 Network Update Time ms 5 Sch BW 10 Ecc Processor s ControlNet Resource Usage Connections Conn NUT DIF DOF 5 3 4 13 Act Net Pckt Input Output Status Config Time ms File Size File Size Offset File Size n a n a n a n a n a n a 1 010 1 0 023 2 0 N12 0 18 N13 0 64 3 N13 0 64 N12 18 18 N13 64 64 9 N13 64 64 Publication 1771 6 5 110 Symbols Empty P 1 P 2 P 3 P 4 P 5 1 1 1 4 2 1 2 3 2 5 2 10 3 1 3 3 3 7 3 9 3 11 5 3 B 1 5 1 A addressing 1 slot 3 7 with 32 point modules 3 8 1 2 slot 3 9 2 slot 3 3 using 16 point modules 3 6 with 8 point modules 3 4 guidelines for selecting addressing modes 3 11 groups 3 2 addressing hardware 3 1 audience P 1 backplane switch assembly description 2 4 settings for PLC 5 15 2 4 C catalog numbers 1786 TPR 2 6 1786 TPS 2 6 1786 TPYR 2 6 1786 TPYS 2 6 chassis locking bar 2 5 chassis switches setting _ 2 4 CIO instructions using 4 3 compatible hardware P 4 components hardware 1 1 configuration plug I O chassis power supply 2 5 power supply _ 2 4 connectors ControlNet 1 3 ControlNet system configuring configuring the number of logical racks B 2 Index editing the ControlNet node information configuration _B 2 D data transfer discrete I O 4 2 nondiscrete I O _4
31. ate Interval NUI to complete the transfers Refer to the ControlNet PLC 5 Programmable Controller Use Manual publication 1784 6 5 14 for more information on CIO instructions 4 4 Publication 1771 6 5 110 Planning to Use Your ControlNet Adapter Module Mapping Directly Into Processor Memory ControlNet also allows mapping 1771 nondiscrete I O modules directly into processor memory This eliminates the need for programming or other transfer instructions in your ladder program When you map a nondiscrete I O module the processor opens a connection to the adapter Data is produced and or consumed over the network continuously and asynchronous to the ladder logic program scan At the adapter nondiscrete transfers are initiated to the module in its resident chassis asynchronous to the network activity Once configured these data transfers are active in all processor modes RUN PROG and TEST US
32. ays INIT A nn where nn is the node number of module 6 The channel indicators indicate network condition as shown in the indicator table in chapter 5 7 Then the display shows IDLE A nn where nn is the node number of module indicating a successful configuration by the ControlNet Configuration Manager Publication 1771 6 5 110 2 10 Installing Your ControlNet Adapter Module Chapter Summary Publication 1771 6 5 110 For detailed information on planning and installing your ControlNet system see the following publications Publication Publication Number ControlNet Cable System Component List AG 2 2 ControlNet Cable System Planning and Installation Manual 1786 6 2 1 ControlNet Coax Tap Installation Instructions 1786 2 3 ControlNet Network Access Cable Installation Instructions 1786 2 6 ControlNet Repeater Installation Instructions 1786 2 7 Industrial Automation Wiring and Grounding Guidelines 1770 4 1 In this chapter you learned how to install your adapter module Chapter 3 tells you how to address your I O Chapter Objectives Addressing Your I O 2 slot addressing Processor Memory 2 1 0 chassis slots 1 I O group 1 input Rack image word and 1 output image word 16 input Output Image Table bits and 16 output bits Word x 16 bits input 16 bits output x VJI IILI LIII 1 slot addressing A x 1 1 0 chassis slot 1 I O group 1 input image word and 1 output image wo
33. e notes to make you aware of safety considerations circumstances that can lead to personal injury or death property ATTENTION Identifies information about practices or damage or economic loss Attention statements help you to identify a hazard avoid the hazard recognize the consequences Important Identifies information that is critical for successful application and understanding of the product Table of Contents Using This Preface Objectives BUOIBICB cu Be E xaxd E E ESS Tee Shue Se Vocabulary What This Manual Contains Terminology Used in This Manual Conventions Product Compatibility Related Publications SUMMAN E ETE ETT C TTE TEE What This Manual Contains Compatible Hardware Products Introducing the ControlNet Adapter Module Chapter Objectives Module Description and Features Hardware Figure 1 1 ControlNet Adapter Module Diagnostic Indicators Communication Reset Pushbutton N
34. ending on the size of your chassis regardless of the addressing mode 2 1 or 1 2 used within the chassis The explicit ControINet I O transfer instruction CIO can also be included in your ladder logic program to communicate with nondiscrete I O modules One or more connections are required per module depending on the type of module separate connection is used for a read or write Modules accommodated by the processor s nondiscrete I O data transfer mechanism are typically those that require a one time configuration and are continuously read from or written to Refer to the ControlNet PLC 5 Programmable Controller Use Manual publication 1784 6 5 14 chapter 2 for more information on supported nondiscrete I O modules In this chapter you learned about adapter operation discrete I O data transfer configuring discrete I O data transfer nondiscrete I O data transfer and configuring nondiscrete I O data transfer In addition you learned some important factors about nondiscrete I O data transfers Appendix B is an example of some of the concepts learned in this chapter Chapter 5 Troubleshooting Chapter Objectives In this chapter you will learn how to use the indicators on the module frontplate for troubleshooting the module This includes troubleshooting with the status indicators and status display including health indicators and display mnemonics ControlNet status indicators Troubleshooting With the T
35. er of bits in these words that are used You select 1 2 slot addressing by setting switches 5 and 6 of the I O chassis backplane switch assembly as shown in Chapter 2 switch 5 to the OFF position switch 6 to the ON position With 1 2 slot addressing since 32 inputs bits AND 32 output bits are available in the processor s image table for each I O group you can mix 8 point 16 point 32 point and nondiscrete modules in any order in the I O chassis Publication 1771 6 5 110 3 10 1 0 Chassis Series or later only Addressing Modes for Your I O Figure 3 8 illustrates the 1 2 slot addressing concept with a 32 point I O module A 32 point I O module with 1 2 slot I O groups uses two words of the image table When you use 8 and 16 point I O modules with 1 2 slot addressing you get fewer total I O points Figure 3 8 1 2 slot Addressing Concept 32 point Input Module Input Input QJ 00 Input Word 0 01 NS 02 03 gt CX 04 Hn 10 0 Image Table 05 gt gt IN 06 Output Word 0 Words Allocated 1 2 slot 07 N Sl 1 2 slot for I O Group 0 1 0 Group N GJ 10 1 0 17 1017 0 11 12 Unused 13 O QU 14 b Ry GI 16 17
36. et Adapter Module This chapter describes the procedures for installing your ControlNet adapter module These include determining power requirements determining the module location and keying the I O chassis setting the network address switches e setting the I O chassis switches e setting the I O chassis power supply configuration plug e installing the adapter module in the chassis connecting programming terminals to the network via the network access port NAP powerup sequence The ControlNet adapter module requires a backplane current of 1 0A at 5V dc Remember to add this amount to other current requirements for your I O chassis The ControlNet adapter module must be installed in the leftmost slot of the I O chassis The I O chassis backplane connectors are keyed to accept only one type of module This prevents accidental insertion of other modules in the wrong module slot Position the keying bands Figure 2 1 in the backplane connectors to correspond to the key slots on the module This prevents you from inserting the wrong module in this slot For the ControlNet adapter module position the keying bands between 54 and 56 on the upper connector and between 16 and 18 on the lower connector ATTENTION Observe the following precautions when inserting or removing keys insert or remove keys with your fingers make sure that key placement is correct Incorrect keying or the use of a tool can
37. etwork Access Port ControlNet Connectors Network Address Switch Assemblies Figure 1 2 Assigning the Network Number Chapter Summary Installing Your ControlNet Adapter Module Chapter Objectives Determining Power Requirements Determining the Module Location and Keying the I O Chassis Figure 2 1 Keying Band Positions Setting the Network Address Switches Figure 2 2 Setting the Network Address Setting the I O Chassis Switches Backplane Switch Assembly x LR Un no T A T e fa A I e 1 INO 1 PO 1 PO k A I D A in T T T ibe in eo T I A T A Table of Contents Figure 2 3 I O Chassis Backplane Switch Assembly Settings for ControlNet Adapter Module in PLC 5 20C and PLC 5 40C Processor Systems Setting the I O Chassis Power Supply Configuration Figure 2 4 1771 Chassis Power
38. group Figure 3 5 Two 16 point modules one input and one output can be used in a 2 slot I O group Figure 3 5 16 point Input and Output Modules Using Two Words of the Image Table J 2 slot I O Group B g Input Output Terminals S Terminals 00 S 00 01 S 01 02 S S 02 03 S 03 04 04 05 05 06 q 06 07 07 3 jj i4 E 14 i is 17 EI 17 E 17 16 15 114 113 12 11 1007 06 05 104 03 02 01 00 Output image table word corresponding to the I O group 17116 15 14 13 2 1111007 06 05 104 3 02 01 00 Input image table word corresponding to the I O group 15559 Because these modules use a full word in the image table the only type of module you can use in a 2 slot I O group with a 16 point module is one that performs the opposite complementary function an input module complements an output module and vice versa You can use an 8 poin
39. he module has indicators on the front plate as shown below These Status Indicators and indicators consist of Status Display health indicators status indicators display of status and address Use these indicators for troubleshooting the module NET NET ADDRESS ADDRESS Status Display and Net Address STATUS STATUS Green Health Indicators HEALTH HEALTH 1 Q 1 Red Health Indicators Qo Qo 55 ControlNet Status Indicators all 2 1771 ACN 1771 ACNR The following tables describe problems that may occur probable causes and recommended courses of action Publication 1771 6 5 110 5 2 Troubleshooting Health Indicators and Display Mnemonics Health Indicators Display Green Mnemonic Probable Cause Recommended Action Check power supply cable connectors and seat adapter firmly in chassis Power supply fault Defective adapter Contact Allen Bradley service Adapter is running Power On Self Test RAM or FLASH test failed Processor fault or watchdog timeout Push the reset pushbutton on the front of the module Power down the adapter and change Illegal ControlNet address Network address set to 00 the nalworleaddress switches Place I O module in correct slot in Incorrect module density for VO module pl
40. ion If the above conditions are met you can use the reset pushbutton Figure 1 1 to reset the adapter module and resume communication after a communication error occurs Introducing the ControlNet Adapter Module 1 3 Network Access Port NAP The network access port Figure 1 1 provides a bidirectional electrical interface for programming maintenance and I O monitoring devices in both redundant and non redundant connections Connecting programming terminals to the network using the NAP is described in Chapter 2 ControlNet Connectors Cable connection to the module is through standard BNC connectors on the module frontplate Example of a Redundant System trunkline A AJ GA IN N Terminator Opo _ O nO Terminator T trunkline B By T Z4
41. is ATTENTION It is possible to have only 1 2 of a 32 point I O module function since you can configure the map table to a single word 16 bits when a 32 point module requires 2 words Example 6200 1771 ACNR APPENDIX EXAMPLE Mon Apr 10 1995 Page 3 Main Menu Processor Channel Status PLC 5 40C File ACNEXMPL Channel Channel Overview Bs or Se Channel 0 SYSTEM POINT TO POINT Channel 1 DH v Channel 1B SCANNER MODE Channel 2 CONTROLNET General Channel N A E i A Channel Overview v 1771 ACNR APPENDIX EXAMPLE Mon Apr 10 1995 Page 8 M t Processor Channel Status PLC 5 40C File ACNEXMPL Channel 2 ove cursor to Channel 2 ControlNet ControlNet Node Info MONITOR Channel 2 Configuration NODE 1 Channel Configuration Diagnostics file N10 Network Update Time ms 5 Monitor Coax Repeaters in Series 0 Scheduled Bandwidth Usage 10 2 Fiber Repeater Pairs 0 Media Redundancy Usage A Only 8 Maximum Scheduled Node 10 Node Node Type Series Revision Status als PLC 5 40C C G ACTIVE 4 1771 ACNR A A ACTIVE Publication 1771 6 5 110 Monitor B Status File Data Input File Data Output File Dflt Config File Mod Msg Type PLC 5 40C 1771 ACNR 1771 VHSC A 1771 VHSC A 1771 ACNR APPENDIX EXAMPLE Processor Channel Status N11 N12 N13 N14 A Practical Example of ControlNet Concepts B 3 Mon Apr 10 1995 Page 9 PLC 5 40C File ACNEXMPL Ch
42. k network address and other ControlNet configuration parameters A or q Cause Action Off Channel disabled Program network for redundant media if required Steady green Normal operation None Flashing green off Temporary errors None unit will self correct Node is not configured to go on Make sure the configuration manager node is present and line working Flashing red off Media fault Check media for broken cables loose connectors missing terminators etc No other nodes present on network Add other nodes to the network Flashing red green Incorrect network configuration Cycle power or reset unit If fault persists contact A B representative or distributor The configuration manager node is the node responsible for distributing ControlNet configuration data to all nodes on the network Chapter Summary In this chapter you learned how to use the indicators on the front of the module to troubleshoot your module Publication 1771 6 5 110 Appendix A Specifications Module Location Interconnect Cable Power Dissipation Thermal Dissipation Backplane Current Keying Environmental Conditions Operational Temperature Storage Temperature Relative Humidity 1771 chassis leftmost slot Quad shield RG 6 coaxial cable Refer to the ControlNet Cable System manual pub no 1786 6 2 1 for more information 5 Watts 17 06 BTU hr 1 0A 5V Upper connector between 54 and 56 Lower connecto
43. le occurrence of the network update time NUT NUT Network update time the repetitive time interval in which data can be sent on the ControlNet network An input output port for a device that transmits multiple data and control bits Parallel port over wires connected in parallel PC An Allen Bradley programmable controller such as the PLC 5 Programmable Controller Communication Commands an application level PCCC command set that Allen Bradley programmable controllers use to communicate across networks Processor term used to mean an Allen Bradley programmable controller Quad Density I O Module A module that provides 32 input or 32 output terminals Publication 1771 6 5 110 Conventions Using This Manual P 3 Redundant media Using dual cables to receive the best signal over a network A two port active physical layer device that reconstructs and retransmits all Repeater traffic it hears on one segment to another segment A serial link for carrying I O data between a PLC or SLC processor scanner Remote NO link and remote I O adapters A serial port that complies with accepted industry standard for serial binary Reade pon communication circuits in a point to point link S Trunkline sections connected via taps with terminators at each end egment g a segment does not include repeaters Serial port A port that transmits receives data and control bits sequentially over a single transmission line
44. lots and 1 will be read any legal output module in slots to 3 will be properly controlled you can communicate with nondiscrete modules anywhere in the chassis In this example e the input file size is not equal to the output file size the input file location 1 10 is not equal to the output file location O 23 the module node address is not related to the input file 1 10 or the output file O 23 youcan map odd numbered file sizes 1 10 1 and file locations O 23 youcan perform nondiscrete file transfers to slots not mapped into I O image space 1771 VHSC in slot 4 the chassis is mapped as slots 0 to 7 regardless of the addressing mode used 2 1 or 1 2 all 1771 I O placement rules for discrete 8 16 and 32 point and nondiscrete modules as defined for addressing modes still apply refer to chapter 3 any discrete output modules placed in slots 4 through 7 will behave as if they are being written all zeroes any discrete input modules placed in slots 2 through 7 will not be read by the programmable controller Publication 1771 6 5 110 B 2 A Practical Example of ControlNet Concepts power supply modules do not take up I O image space if placed in the higher numbered slots in the chassis The adapter will scan I O space from the leftmost slot to the rightmost slot so any power supply modules or nondiscrete modules are used most efficiently if placed in the right side of the chass
45. maximum of 32 input words in the physical rack Data from input modules in the chassis beyond the configured rack size will not be sent to the processor You can configure the adapter to write to a minimum of 0 output words to the maximum number of words in the the physical rack up to 32 maximum Modules in the chassis beyond the configured rack size will not receive outputs from the processor and will respond as if they were receiving all zeroes Nondiscrete I O Data Transfers Publication 1771 6 5 110 Planning to Use Your ControlNet Adapter Module 4 3 The number of input words and output words do not have be the same for an adapter Update times Expected Network Packet Times are not required to be the same for all remote racks in the system Update times can be selected based on your application requirements Refer to the PLC 5 ControlNet programmable controller manual or 6200 Software manuals for more information on the ControINet configuration screens There are 2 methods for data transfer to and from 1771 nondiscrete I O modules on ControlNet ControlNet I O CIO instructions mapping directly into the processor s memory Using ControlNet I O CIO Instructions By programming CIO instructions into your ladder logic you can either read or write data to or from a module The CIO instruction is only active when the processor is in the RUN mode This method uses the unscheduled portion of the Network Upd
46. n Card 1784 KTC ControlNet KTx Communication Card 1784 KTCx ControlNet Serial Parallel Communication Interface 1770 KFC Flex I O ControlNet Adapter 1794 ACN 1771 ControlNet Adapter Module 1771 ACN ACNR 1771 M A1B 1771 A2 A2B 1771 A3B A3B1 1771 M MB Block transfer modules All modules that use the 1771 8 point I O Standard density I O modules structure 16 point I O High density I O modules 32 point I O Quad Density I O modules System power supply 1771 P1 Auxiliary power Supply 1771 P2 Auxiliary Power Supply module 120V ac input 3A 1771 P3 Auxiliary Power Supply module 120V ac input 8A 1771 P4 45 451 Redundant Power Supply module 1771 P4R Auxiliary Power Supply module 24V dc input 8A 1771 P5 Auxiliary Power Supply module 220 240V ac input 8A 1771 P6S 651 Auxiliary Power Supply module 120 220V ac input 16 1771 PS7 PLC 2 Power Supply 115V ac input 1772 P1 PLC 2 Power Supply 24V dc input 1772 P4 Local Power Supply 1774 P1 Auxiliary Power Supply 24V dc input 1777 4 Using This Manual P 5 Related Publications For additional information on planning and installing your ControlNet system see the following publications Publication Publication Number ControlNet PLC 5 Programmable Controllers User Manual 1785 6 5 14 ControlNet Cable System Component List AG 2 2 ControlNet Cable System Planning and Installation Manual 1786 6 2 1 ControlNet Coax Tap Installation Instructions 1786
47. nd return this form Pub Name ControlNet Adapter Module User Manual Cat No 1771 ACN ACNR pup No Check Problem s Type 8 Technical Accuracy L Completeness What information is missing Clarity What is unclear L Sequence What is not in the right order Other Comments Use back for more comments 1771 6 5 110 Pub Date September 1995 Describe Problem s illustration Part No 955115 51 Internal Use Only C procedure step L example explanation 8 illustration guideline Ei other definition feature E info in manual accessibility info not in manual Your Name Location Phone Return to Marketing Communications Allen Bradley Co 1 Allen Bradley Drive Mayfield Hts OH 44124 6118 FAX Phone 216 646 3176 216 646 4320 Publication ICCG 5 21 August 1995 PN 955107 82 PLEASE FASTEN HERE DO NOT STAPLE Other Comments PLEASE FOLD HERE dp eere POSTAGE WILL BE PAID BY THE ADDRESSEE Rockwell Automation Allen Bradley TECHNICAL COMMUNICATION 1 ALLEN BRADLEY DR MAYFIELD HEIGHTS OH 44124 9705 NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES PLEASE REMOVE Support Services At Allen Bradley customer service means experienced rep
48. ng and configuration options 4 Planning to Use Your ControlNet How the adapter operates on ControlNet and Adapter information to assist in configuring your system Troubleshooting aids including status display health 3 Troubleshooting indicators and ControlNet status indicators Appendix A Specifications Module specifications B A Practical Example of ControlNet An example program and description thereof Concepts Publication 1771 6 5 110 P 2 Using This Manual Terminology Used in This The following list defines common terms used in this manual Manual A module that performs an opposite function an input module complements Complementary Module an output module and vice versa Configuration Manager the node responsible for distributing ControlNet configuration data to all node nodes on the network A communication architecture that allows the exchange of messages between Allen Bradley products and certified third party products ControlNet status Channel A and channel B indicators on your node indicating status on the indicators ControlNet link A peer to peer link layer protocol that combines features of ANSI X3 28 1976 DF1 protocol specification subcategories D1 data transparency and F1 two way simultaneous transmission with embedded responses DH network An Allen Bradley local area network made up of one or more token passing Data Highway Plus baseband links Drop cable cable that connects a node t
49. o the trunkline this is an integral part of 1786 taps Frame A single data transfer on a ControlNet link Half Slot Addressing A method of addressing where the processor can address its I O in 1 2 slot I O groups High Density Module A module that provides 16 input or 16 output terminals Group An addressing unit that can contain up to 16 input terminals and 16 output terminals A collection of nodes with unique addresses in the range of 1 99 Link Segments connected by repeaters make up a link links connected by bridges make up a network A method of addressing where the processor can address its I O in 1 slot I O One Slot Addressing groups Network access port a port that provides a temporary network connection through an RJ 45 connector A single bidirectional electrical interface programming channel provided on all ControlNet nodes usable in both redundant and non redundant connections but is not available on nodes acting as repeaters NAP Programming Terminal Port A series of nodes connected by some type of communication medium The Network connection paths between any pair of nodes can include repeaters routers bridges and gateways Network address A node s address on the network The port of a physical device connecting to the network which requires a Node network address in order to function on the network a link may contain a maximum of 99 nodes NUI network update interval a sing
50. ombia e Costa Rica Croatia e Cyprus Czech Republic e Denmark e Ecuador Egypt e El Salvador Finland France Germany e Greece e Guatemala e Honduras Hong Kong Hungary Iceland India e Indonesia Ireland e Israel Italy e Jamaica e Japan Jordan Korea Kuwait Lebanon e Malaysia Mexico e Netherlands New Zealand e Norway e Pakistan Peru Philippines Poland Portugal e Puerto Rico Qatar e Romania e Russia CIS e Saudi Arabia e Singapore e Slovakia e Slovenia South Africa Republic e Spain e Sweden e Switzerland Taiwan Thailand Turkey United Arab Emirates e United Kingdom United States Uruguay Venezuela Yugoslavia Allen Bradley Headquarters 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Publication 1771 6 5 110 September 1995 PN955115 51 Copyright 1995 Allen Bradley Company Inc Printed in USA
51. ot mapped processor Cable error or no other nodes on Normal indication processor is in Normal indication processor is in N one program or test mode Publication 1771 6 5 110 Red HEALTH Blinking in unison Blinking alternately Health Indicators Display Mnemonic NET ADDRESS STATUS Description Firmware update mode BOOT ControlNet Status Indicators 5 3 Troubleshooting Probable Cause Recommended Action Adapter firmware is being updated via A B Flash Update Utility Running boot code Adapter has corrupted firmware None Update adapter firmware with A B Flash Update Utility steady indicator is on continuously in the defined state 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 1 Cause Action 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 red green Self test None Alternating red off Incorrect node configuration Chec
52. r between 16 and 18 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 without condensation Publication 1771 6 5 110 Appendix B A Practical Example of ControlNet Concepts gr GE b e e e e z File j o 8 5 EB SIE size zt 1771 A2B Chassis set oj 2 E Baia FO p Wiz for2 slot addressing Em S 0 23 2 E nr 1 2 Oy SNES LE rs 01234567 01234567 1 0 Chassis Slot Number Overview of Example This example uses the physical layout and map entry screen for a simple system as shown above With this layout any legal input module in s
53. rd 16 input bits and Lee 16 output bits x its i i Input Image Table 16 bits input and 16 bits output Word 9 112 5101 addressing _ x LW 1 1 2 of an I O chassis slot 1 1 0 group 1 input x image word and 1 output image word 16 input bits x and 16 output bits X 16 bits input and 16 bits output x Chapter 3 Addressing Modes for Your 1 0 In this chapter you will learn e addressing your I O using 2 slot addressing including e I O module combinations using standard density I O 8 point modules e using high density 16 point I O modules e using 1 slot addressing including I O module combinations using 1 2 slot addressing addressing summary Programmable controllers that use the ControINet adapter module can address their I O in 2 slot 1 slot or 1 2 slot I O groups These three addressing methods are referred to as 2 slot addressing 1 slot addressing and 1 2 slot addressing You select the addressing method with switch 5 and 6 in the I O chassis backplane switch assembly You make this selection for each chassis independently with only one method of addressing for each chassis For each I O chassis in your system you must define how many I O chassis slots make up an I O group 1 word each in the input image table and output image table this choice 15 the chassis addressing mode Choose from among these available modes
54. resentatives at Customer Support Centers in key cities throughout the world for sales service and support Our value added services include Technical Support e SupportPlus programs telephone support and 24 hour emergency hotline software and documentation updates technical subscription services Engineering and Field Services application engineering assistance integration and start up assistance field service maintenance support Technical Training lecture and lab courses self paced computer and video based training job aids and workstations e training needs analysis Repair and Exchange Services your only authorized source current revisions and enhancements worldwide exchange inventory local support 9 Rockwell Automation Allen Bradley a Rockwell Automation Business has been helping its customers improve productivity and quality for more than 90 years We design manufacture and support a broad Allen Bradley range of automation products worldwide They include logic processors power and motion control devices operator interfaces sensors and a variety of software Rockwell is one of the world s leading technology companies Worldwide representation PE dae Lp A __ M Argentina Australia e Austria e Bahrain Belgium Brazil e Bulgaria e Canada e Chile China PRC e Col
55. result in damage to the backplane connector and possible system faults 2 2 Installing Your ControlNet Adapter Module You can change the position of these bands if subsequent system design and rewiring makes insertion of a different type of module necessary Figure 2 1 Keying Band Positions 3o 4 A Ww eco 42 Place keying bands between 4 4 54 and 56 on the upper connector Upper Connector Mag e 16 and 18 on the lower connector 4 50 an eo US m Keying Bands ATTENTION Insert or remove keying bands with your fingers Lower Connector 22 gE EL SFFR N 110224 Publication 1771 6 5 110 Setting the Network Address Switches Installing Your ControlNet Adapter Module 2 3 The switches on the top of the adapter module determine the network address of the adapter The two switches are the ten s switch e the one s switch The combination of these switches allows selection of network addresses from 01 to 99 Use a small bladed screwdriver to rotate the switches Figure 2 2 Setting the Network Address Ten s Selection One s Selection NET ADDRESS 203 Ten s Selection One s Selection For example the 10 s selection switch is set to 10 and the 1 s selection switch is set to 5 Then 10 plus 5 15 NOTE 00 is an invalid number Publication
56. se 8 bits in both the input and output table Therefore 8 bits of the 16 point module would conflict with the nondiscrete module You cannot use 32 point I O modules One I O module slot 1 group Each physical slot in the chassis corresponds to one word 16 bits in the input image table and one word 16 bits in the output image table When you use 32 point I O modules you must install as a pair an input module and an output module in an even odd pair of adjacent I O group if you use an input module in slot 0 you must use an output module in slot 1 or it must be empty This configuration gives you the maximum usage of 1 0 Use any mix of 8 and 16 point modules nondiscrete or intelligent modules in a single I O chassis Using 8 point modules results in fewer total 1 0 One half of an I O module slot 1 group Each physical slot in the chassis corresponds to two words 32 bits in the input image table and two words 32 bits in the output image table Use any mix of 8 16 and 32 point or nondiscrete and intelligent modules Using 8 point and 16 point modules results in fewer total I O With the processor resident local rack set for 1 2 slot addressing you cannot force the input bits for the upper word of any slot that is empty or that has an 8 point or 16 point I O module For example if your have an 8 point or a 16 point I O module in the first slot of your local rack words 0 and 1 of the I O image table 1
57. t module with a 16 point module in a 2 slot group it must perform the opposite function However eight bits in the I O image table are unused Addressing Modes for Your I O 3 7 Using 1 Slot Addressing Definition The processor addresses one I O module slot as one I O group Concept The physical address of each I O group corresponds to input and output image table word The type of module you install 8 16 or 32 point determines the number of bits in these words that are used You select 1 slot addressing by setting switches 5 and 6 of the I O chassis backplane switch assembly as shown in Chapter 2 switch 5 to the ON position switch to the OFF position With 1 slot addressing because 16 input AND 16 output bits are available in the processor s image table for each I O slot you can use any mix of 8 point 16 point or nondiscrete I O modules in the I O chassis To use 32 point I O modules with 1 slot addressing you must install as a pair an input module and an output module in 2 adjacent slots of the I O chassis beginning with I O slot 0 Figure 3 6 If you cannot pair the modules in this way one of the two slots of the pair must be empty For example if I O slot O holds a 32 point input module I O slot 1 can hold an 8 16 or 32 point output module or a module that uses the backplane for power only otherwise it must be empty Figure 3 6 Using 32 point I O Modules with 1 slot Addressing Input Output
58. tions Using 1 2 Slot Addressing Figure 3 8 1 2 slot Addressing Concept Addressing Summary Chapter Summary eo co AB Table of Contents Planning to Use Your ControlNet Adapter Module Chapter Overview of Adapter Operation Discrete I O Data Transfer Configuring Discrete I O Data Transfers Nondiscrete I O Data Transfers Using ControlNet I O CIO Instructions Mapping Directly Into Processor Memory Example Nondiscrete Input Module Communications Example Nondiscrete Output Module Communications Configuring Nondiscrete I O Data Transfers Chapter Summary Troubleshooting Chapter Troubleshooting With the Status Indicators and Status Display Health Indicators and Display Mnemonics ControlNet Status Indicators Chapter Summary Specifications A Practical Example of ControlNet Concepts
59. write transfer to the output module Only 1 nondiscrete write transfer is active to any module at a time Nondiscrete I O data is stored in integer files that you specify in your ControlNet configuration screen Each map entry for a nondiscrete I O data transfer defines an offset into the Data Input File DIF or Data Output File DOF where data is stored Using separate data table files for nondiscrete I O data transfer allows the processor to present nondiscrete I O data in the same manner as discrete I O data continuously transmitted and asynchronous to the ladder logic program scan Publication 1771 6 5 110 4 6 Configuring Nondiscrete Data Transfers Chapter Summary Publication 1771 6 5 110 Planning to Use Your ControlNet Adapter Module The following are important factors to consider when planning and configuring nondiscrete I O modules You can communicate with nondiscrete I O modules anywhere in the rack including slots that are not mapped into the discrete I O image files Note that nondiscrete I O modules can be placed so no I O image space is used For example in an 8 slot chassis with 1 slot addressing you can place discrete modules in the first 4 slots and only map 4 words of I O image table You could then place nondiscrete modules in the last 4 slots without using more I O image space Slots in the adapter are physically referenced starting at 0 and continuing by 1 up to a maximum of 15 dep
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