2711-6.0.4, DeviceNet User Guide
Contents
1. Reference Message Recommended Action 1 Tag lt Tag Name gt Bit Offset must be a multiple of 8 for Character Adjust the Bit Offset on the Tag Form Arrays 2 Tag lt Tag Name gt Cannot be converted to current protocol format Manually edit the tag to the DeviceNet protocol 3 Tag lt Tag Name gt Data Type implies Packet Bytes should be less Most PanelBuilder controls write only 1 element of data If the than or equal to 2 Certain PanelBuilder controls however may associated Data Type is a Bit Array at most 2 bytes will be require additional bytes written by the tag However if tags are assigned to the Block Write of a Piloted Control List the number of bytes written will be a multiple of the states displayed on the list 4 Tag lt Tag Name gt Data Type implies Packet Bytes should be equal Most PanelBuilder controls write only 1 element of data If the to 2 Certain PanelBuilder controls however may require additional associated Data Type is Unsigned Integer 2 bytes will be writ bytes If less than 2 bytes are required use Bit Array ten by the tag However if tags are assigned to the Block Write of a Piloted Control List the number of bytes written will be a multiple of the states displayed on the list 5 Tag lt Tag Name gt Data Type implies Packet Bytes should be equal Most PanelBuilder controls write only 1 element of data If the to 4 Certain PanelBuilder controls however may require addit2. ipni Terminal Signal Function Color 1 COM Common Black 2 CAN_L Signal Low Blue 3 SHIELD Shield Uninsulated 4 CAN_H Signal High White 5 VDC Power Supply Red The typical DeviceNet current draw is 90 mA at 24V per terminal Publication 2711 6 0 4 4 Typical DeviceNet Network Below is a typical network with Panel View terminals installed on two of the drops SLC 5 04 ic BEBE BREE BPE DeviceNet Scanner Module DeviceNet Catalog No 1747 SDN Scanner Module Catalog No 1771 SDN gt PanelView PanelView amar Alen Bradiey Paralen 900 o0 ood BOaG oog Se OOO B amp G oto t GGA a RS 232 Port DeviceNet Port DeviceNet Port Computer for developing LND ua odule PanelView applications Serial Link j Download Upload pene gt ood e iek eee Smart Motor Controller RediSTATION Drive Publication 2711 6 0 4 Modifying DeviceNet You can display or modify DeviceNet settings directly from the Panel View Settings from the terminal From the terminal s Configuration Mode menu select Communication Terminal Setup ATTENTION Settings downloaded w
3. 5 Click OK to exit and return to the Terminal Setup dialog Publication 2711 6 0 4 10 PanelView Message Types Publication 2711 6 0 4 All PanelBuilder screen control or display objects are assigned a tag when an application is developed The tag defines an address data type initial value and other parameters for the data assigned to the object The Tag Editor has 3 dialogs for DeviceNet objects depending on the message type selected e I O Slave e Explicit Server e Explicit Client All three message types can exist and run simultaneously within a single PanelBuilder application I O Slave Messaging 11 The I O slave message connections use the pre defined Master Slave connection set Exchanged data is grouped in Assembly Instances created using the PanelBuilder Tag Editor The first input instance and the first output instance are exchanged using DeviceNet I O slave messages The PanelView supports a maximum of 64 input and 64 output words The number of words exchanged is determined by the Communication Setup dialog in PanelBuilder and the Master scanner device DeviceNet configuration Data at the PanelView tag addresses can be mapped to any location in the DeviceNet scanner but must be a continuous block of 1 64 input or output words Change of State Cyclic and Polled I O modes are supported Strobed I O messaging is not supported by the PanelView DeviceNet PanelView terminals support the following types of I
4. 26 Tag lt Tag Name gt Output Element Extends Beyond Output Size The word offset in the Tag Address must be less than then the Output Size specified in the Communications Setup dialog 27 Tag lt Tag Name gt The length of the data extends beyond the size of If the associated tag is an I O tag increase either the Input or the packet Output Size If the associated tag is Explicit Server the data extends beyond the 64 word limit of the Assembly Instance 28 Tag lt Tag Name gt The length of the data extends beyond the size of Increase the Packet Bytes assigned to the tag the packet Adjust Packet Bytes to at least 29 Tag lt Tag Name gt This tag cannot be assumed consistent or Tags have been assigned to a PanelBuilder control that must be atomic The Assembly Instance is inconsistent with previous tags in updated in the same data packet Change the Assembly this group Instance so it is the same as the other members of this group 30 Tag lt Tag Name gt This tag cannot be assumed consistent or Tags have been assigned to a PanelBuilder control that must be atomic The Peer s Class Instance Attribute or Node Address is updated in the same data packet Change the Explicit Client inconsistent with previous tags in this group message So that it references the same peer attribute as other tags assigned to this group 31 Tag lt Tag Name gt This tag cannot be assumed consistent or Tags have been assigned to a Pane
5. e Get_Attribute_Single server code OxOE The PanelView sequentially scans values addressed to Panel View objects in the current screen or global objects and reads data from the external server device e Set_Attribute_Single server code 0x10 The Panel View sends values to the external device when a change of state is detected on that input Output data is acquired similar to polling and input data is sent on Change of State COS The location of the data in the DeviceNet Server device must be specified in the PanelView data tags Data locations on the server device are specified by providing the Node Address Class Instance Attribute and the Byte Bit Offset The Class Instance and Attribute are provided in the user documentation of the device the Panel View is communicating with Refer to Appendix A for the Packet Bytes and Offsets required for read and write tags The following illustrates how Explicit Client messaging functions Explicit Client Message Tags For Read tags Panel View client device initiates communications with Explicit GET Message to obtain input data from the server device The server device responds by sending data For Write tags PanelView client device sends data using an Explicit SET Message to set output data The server device responds that data has been received Write Tag Write Tag Write Tag Read Tag Read Tag Read Tag Wr
6. ProdType 24 Product Type ProdCode 1 Product Code MajRev 1 Major Rev MinRev 4 Minor Rev VendName_ Allen Bradley Company ProdTypeStr Human Machine Interface PanelView Catalog 2711 xxxx10 Publication 2711 6 0 4 Appendix C 1305 Drive Application Using Explicit Messaging it is possible to control certain driver parameters from a PanelView terminal without a host PC or PLC The Allen Bradley 1305 AC drive is connected to the 1203 DeviceNet communications module 1305 AC Drive 1203 Communications Module 1203 GK5 Configuring PanelBuilder Use the PanelBuilder software to create the following application screen This screen reads and writes Accel 1 Time A numeric entry provides the input for the acceleration time A numeric display shows the acceleration time Publication 2711 6 0 4 C 2 Publication 2711 6 0 4 1305 Drive Application Acceleration Write Tag Configuration The following dialog configures a numeric entry object The dialog assigns a Write Tag name and defines other attributes of the numeric entry object ma Clicking the Edit Tag button allows you to edit the write tag data as shown below The Messaging Type is defined as Explicit Client The Class Instance and Attribute specify a data location in the 1305 Drive for the Accel 1 Time Note For more information on Class Instance and Attribute fields see the Bulletin 1305 Adjusta
7. PanelView application from e New Application dialog when creating a new application or e Terminal Setup dialog when converting an application initially created for another terminal Any catalog number ending with 10 is a DeviceNet terminal E barma lem lga manaa iad Fo pa E ee a PET a rs atl T Coppa L Tami HH Lahi IT SC PSE Coppa PPH 1 ee Fmi A PL birai FAA Lon al Faai UTTE Firas DN aa Perma MD Peai DFT ee ee ee ee iaa De ee He Hite Sate Benim eig is meje Eee tain l imat Ts j e ieii nite oo THH di Late gt Publication 2711 6 0 4 Publication 2711 6 0 4 Configuring DeviceNet Communications DeviceNet communication parameters are accessed from the Terminal Setup dialog To open the Terminal Setup dialog select Application gt Terminal Setup 1 Click the Comms Setup button from the Terminal Setup dialog cep Poio abea Tire bee Commi Tags fila Temra Haa emnat Teed laH bee ey i J Tem mra Fo r Repaid b Tah Leow eas nie Adira fomal fli Lio en C Po Tanca A ME Geena Previa MII jipa im Dersa Die Torisi Pood U a a z sa a ee E Irienner Drap Eina Irien r Bi Meklin Nami T Aesth srd ponire pommer 2 Under Terminal edit the following parameters Specify To Select the address 0 to 63 of the PanelView terminal on the Node Address DeviceNet link Select the baud rate of the DeviceNet link The ava
8. Reset Service received over DeviceNet An external network device has requested a PanelView Occurs if an external device sends an Identify Object terminal reset Press a key to clear the alarm Reset Service to the PanelView 10 Unsupported DeviceNet message received Should not occur during normal operation Clear the message If problem reoccurs contact Allen Bradley 12 Invalid ASA Number 0x00000000 or OxFFFFFFFF Clear the message The message occurs each time the Occurs if the flash memory is corrupt or an invalid ASA terminal is reset The terminal operates normally but you number was programmed should correct the problem Contact Allen Bradley 13 Invalid Screen Context Priority received Should not occur in normal operation Clear the message If problem reoccurs contact Allen Bradley 14 Get Next Scan Item Failed in peer mode Should not occur in normal operation Clear the message If problem reoccurs contact Allen Bradley 15 Explicit Client Input Data not received Will occur if an Clear the message Excessive network traffic could input push button changes a second time before its cause this problem if inputs are changing rapidly Handle previous state was sent on the network Only for Explicit high speed input data over I O connections if possible Client Tags Also make sure the addressed attribute exists and is set Also occurs when the packet bytes do not match the table on the network number of bytes in the server s ass
9. Size Size of the array e character arrays are 1 128 e array size must be an integer characters e do not use blanks tabs carriage returns non e bit arrays are 1 16 bits printable characters Description Description of tag e maximum characters 255 e type information in this field or use the description editor Address Data sent to and maximum characters 32 Do not use blanks tabs carriage returns non 1 0 Slave and from remote device specifies input data printable characters Explicit Server Messages only A remote address has the following format lt word gt lt bit gt 0 lt word gt lt bit gt generated by PanelView and sent to a remote device O specifies output data received by PanelView from a remote device Initial Value Starting value for e maximum characters 24 e do not use blanks tabs carriage returns non the current tag in 0 9 printable characters engineering units E and period maximum precision is 6 places to the right of only for write tags e if Data Type is bit enter 0 or the decimal for non floating point values 1 e if present a sign or for the number must be first is the default e if present a sign for the exponent must immediately follow the e or E provides a preset value for numeric entry objects only no entry default of 0 Scaling The values you use maximum characters 12 do not use blanks tabs carriage returns non Scale to convert th
10. Title Publication No PanelBuilder Software Manual 2711 6 0 PanelView Operator Terminals User Manual 2711 6 1 For more information on DeviceNet related products refer to Publication Title Publication No DeviceNet Communication Link Overview DN 2 5 DeviceNet Cable System Planning and Installation Manual 1485 6 7 1 DeviceNet Scanner Catalog No 1747 SDN 1747 6 5 2 Configuration Manual DeviceNet Scanner Catalog No 1771 SDN 1771 6 5 118 Configuration Manual DeviceNet Manager Software Catalog No 1787 MGR 1771 2 29 User Manual RSNetworx Software Catalog No 9357 DNETL 9399 DNETGR User Manual Before You Use this Guide We assume that you are familiar with DeviceNet communications This document provides a sample DeviceNet application Appendix C Panel View to a 1305 Drive Application Use this application as a guide in developing your DeviceNet applications In addition a demo application is installed with PanelBuilder that demonstrates a Panel View to 1747 SDN DeviceNet scanner configuration The demonstration files include the Panel View application file SLC ladder logic and 1747 SDN configuration using DeviceNet Manager software Refer to the ODVA and Allen Bradley websites below for more examples The Open DeviceNet Vendor Association ODVA has an Internet page that describes DeviceNet and provides a list of products available with electronic data sheets at www ODVA org Add
11. and operational For write tags ensure that the appropriate attribute is targeted If the targeted device is UCMM capable ensure it has enough explicit message connections to allow the PanelView to take one If the targeted device is not UCMM capable ensure that it is owned by a Master device scanner A zero length I O message was received placing the 1 0 application in idle mode Occurs when the scanner is in program mode Error clears when switched back to run Correct the problem of the Master sending the 1 0 idle condition Message Overrun Message traffic from the PanelView is being generated quicker than it is possible to send the data Occurs with large I O sizes when Change Of State is being used and state changes are occurring very quickly or if polling too fast Slow down 1 0 polling or the state changes generating change of state I O messages Use cyclic I O at a fast heartbeat rate rather than change of state Use the pro duction inhibit capability on the master 11 No network power detected Occurs if network 24V is not present Check the wiring Message automatically clears when 24V network power is restored 12 Dup MAC Failure Occurs if the PanelView powers up with the same Node Address present on the network Change the node address to an unused address and reset the terminal 13 Bus off Interrupt occurred CAN Chip is held in reset Caused by noise on network signal lines or a
12. varies ALT J to display the list of available formats e character array 8 bits char Swap Bytes Displayed when Check Box e when selected high and low data bytes swap Character Array positions Select swap bytes when data is sent data type selected in the wrong order high byte first For example data from a PLC is sent with the 1st character of a string in the 2nd byte By swapping the bytes the 1st character is sent in the 1st byte Byte swapping is not generally used with Explicit Client messaging These addressed devices usually conform to DeviceNet specifications and send data in the correct sequence Swap Words Displayed when Check Box e when selected high and low words of a floating Float data type point value are swapped This allows floating selected point values generated by a PLC to be properly displayed word swapping is not generally used for DeviceNet devices that generate floating point values Message Type The message type Additional fields are required for Explicit message types Instance Number Instance Number 3 to 16 Instances 1 and 2 are automatically assigned to I O Explicit Server from 3 to 16 message types Message Only Node Address Node address of 0 to 63 Explicit Client peer device Message Only Load from EDS Loads information Load parameter data from the data sheet for the Explicit Client using the electronic peer device Otherwise enter the tag information Message only data she
13. 0 62 480 52 106 832 9 20 144 31 64 496 53 108 848 10 22 160 32 66 512 54 110 864 11 24 176 33 68 528 55 112 880 12 26 192 34 70 544 56 114 896 13 28 208 35 72 560 57 116 912 14 30 224 36 74 576 58 118 922 15 32 240 37 76 592 59 120 944 16 34 256 38 78 608 60 122 960 17 36 272 39 80 624 61 124 976 18 38 288 40 82 640 62 126 992 19 40 304 41 84 656 63 128 1008 20 42 320 42 86 672 21 44 336 43 88 688 Use this conversion table with PanelBuilder 2 40 or later For write tags byte size depends on and must match the configuration of the server device Publication 2711 6 0 4 A 2 Read Write Tag Conversion Table PanelView to PanelView Example The following example shows how the read write conversion table is used In this example one PanelView functions as a server and the other Panel View acts as a client Write Tag PanelView 1 Explicit Server Node 2 Explicit Client Messaging Read Tag PanelView 2 Explicit Client oF Fig werd Lage arte ie degetield en Bir hoe piapia af Phe ire Pe Publication 2711 6 0 4 Appendix B Electronic Data Sheet Appendix B Electronic Data Sheet All of the Panel View terminals have the following electronic data sheet eds This generic data sheet does not contain aplication specific information Electronic Data Sheet for PanelView File DescText PanelView CreateDate 07 25 95 Mod Date 3 22 96 Revision 1 1 Device VendCode 1 Vendor Code
14. 7 PanelView Tag Form Use the Tag Form to enter DeviceNet tags Do not use the Table View since it does not show all of the DeviceNet fields Refer to the PanelBuilder documentation for information for any fields not described on the following pages T O Slave Tag Read Write tags cannot be in the same instance Refer to Appendix A for Read Write Tag Conversion Tables Obtain from the documentation of the device being read or written Node Address of the device server the PanelView is communicating with Publication 2711 6 0 4 18 Publication 2711 6 0 4 Field Description Valid Characters Notes Tag Name Name of tag Maximum characters 32 e if you type an invalid character the Tag Editor A Z a z 0 9 beeps and does not display it e hyphen underscore _ tag name must be unique within a project percent cannot begin with 0 9 hyphen or percent tag names are not case sensitive e do not use blanks tabs carriage returns non printable characters Data Type Data format of tag Select one of the following The data type must be compatible with the data e bit Bool format selected in the object s dialog 4BCD 16 bits unsigned integer 16 bits Alternate Methods Type the first letter of the data signed integer 16 bits type For example type b for bit data type Use the e IEEE float 32 bits TAB key to move to the Data Type filed and press e bit array size
15. Explicit Server Output Elements must be 0 63 Reduce the word offset for the associated Tag Address 17 Tag lt Tag Name gt Incompatible Address Change the tag address to the following format l lt word gt lt bit gt or 0 lt word gt lt bit gt where lt bit gt is required for Bit and Bit Array 18 Tag lt Tag Name gt Input Element Extends Beyond Input Size The word offset in the Tag Address must be less than then the Input Size specified in the Communications Setup dialog 19 Tag lt Tag Name gt Invalid Address Type Address must begin with Modify the Tag Address must begin with or O or O 20 Tag lt Tag Name gt Invalid Bit Number Bit number must be 0 15 Change the bit number to a value between 0 and 15 21 Tag lt Tag Name gt Invalid Bit Offset Bit Offset must not extend Reduce the bit offset beyond the packet length Publication 2711 6 0 4 Reference Message Recommended Action 22 Tag lt Tag Name gt Invalid Data Size Data element extends beyond Increase the input or output size on the terminal setup screen input or output size 23 Tag lt Tag Name gt Invalid Element Number The Tag Address must have a numeric word offset 24 Tag lt Tag Name gt Invalid Node Address Node must be 0 63 DeviceNet node addresses must be 0 63 25 Tag lt Tag Name gt Invalid Packet Length Packet Length must be 1 Change packet bytes to 1 128 bytes 128 bytes
16. Introduction DeviceNet Communications for PanelView Terminals User Guide This document describes how to connect and configure communications for the DeviceNet versions of the Panel View terminals This information is a supplement to the PanelView Terminal user manual and the PanelBuilder software documentation For information about See page Related Publications 2 Before You use this Guide 2 DeviceNet PanelView Terminals 3 Making DeviceNet Connections 3 Typical DeviceNet Network 4 Modifying DeviceNet Settings from the Terminal 5 Setting Up Communications using PanelBuilder 7 PanelView Message Types 10 1 0 Slave Messaging 11 Explicit Messaging 13 PanelView Tag Form 17 Using the Electronic Data Sheet 20 Downloading Applications Over a Serial Link 21 DeviceNet Application Report 21 DeviceNet Error Messages and Codes 22 Electronic Data Sheet EDS File Error Messages 24 PanelBuilder Device Error Messages 24 PanelBuilder Translation Error Messages 25 Communication Status Error Messages 25 Alert Messages 26 Fault Messages 27 Appendix A Read Write Tag Conversion Table Explicit Client Appendix B Electronic Data Sheet Appendix C 1305 Drive Application Publication 2711 6 0 4 2 Related Publications The following documentation provides additional information about installing configuring and using your Panel View terminals Publication
17. O messaging when configured in the DeviceNet scanner Polling The DeviceNet scanner initiates communications with the PanelView terminal by sending a Polled Request The PanelView responds to the request by providing the requested data Data is sent by the PanelView at intervals determined by the ladder logic program and or the Interscan Delay of the scanner not the PanelView Interscan Delay setting Change of State COS The DeviceNet scanner establishes the connection with the PanelView terminal The exchange of data is Asynchronous Output data is sent to the PanelView from the scanner only when the data changes The PanelView terminal sends Input data back to the scanner only when the data changes Acknowledged Unacknowledged modes are available see Notes on the next page Cyclic Data is exchanged between the PanelView terminal and scanner at the Heartbeat Rate The Heartbeat Rate is set using a DeviceNet Manager tool such as RSNetwork for DeviceNet during network setup Publication 2711 6 0 4 12 Publication 2711 6 0 4 1 0 Slave Data Exchange The following diagram shows how data is exchanged using I O messaging 1 0 Slave Tags PV Address 1 0 mene Assembly Input Tag Instance 1 lO Me Ssage 1 63 Response Master Device Output Tag 0 0 Assembly Scanner Output Ta ee 10 Request Messag 0 63 Output Tag PanelView 1 0 Slave Messaging N
18. PanelView terminal using Explicit Client messaging See Publication 1203 5 3 for details on how to configure the communications module Switch 1 7 must be in the ON position Disable Fault on Comm Loss This setting instructs the communication module to ignore the loss of the virtual connection to the Panel View terminal This is important since the DeviceNet PanelView terminal in the Explicit Client mode repeatedly opens and closes the communication link used to access data If switch 1 7 is left OFF the driver will stop whenever the PanelView closes a connection to the communications module ATTENTION When the 1203 GK5 module is set with switch 1 7 in the ON position all DeviceNet devices including Panel View with Explicit connections to the drive can leave the network without any indication provided to the drive ATTENTION Any operation using Explicit messaging to control the operation of machinery must not be involved with system safety or of a critical nature that could potentially cause personal injury or equipment damage Safety circuits must be hard wired and not controlled by the Panel View terminal Operations that are critical to safety must be under the control of a supervisory controller or computer programmed with the appropriate safety logic or programming Download and Run the Application Validate and download the application to the Panel View terminal The Accel I variable of the 1305 drive can be read or written usi
19. a l nstance 3 16 Output Tag PanelView Explicit GET Message P z Pel View Respong Praise ecg Is lt I gt Client Device A sponds panelView RESET 2 Scanner PC Rote SS GET Me Publication 2711 6 0 4 14 Publication 2711 6 0 4 Notes on using Explicit Server Messages Explicit Server messages have a lower priority than I O slave messages Client devices access input output data from the value attribute attribute 3 of the assembly object class class code 4 using the specified tag instance number instance 3 16 The Panel View has only one general purpose Explicit message connection available at a time to an external client device Remember this when creating applications that require multiple Explicit message server connections Data from one client device can overwrite the data sent by another client Explicit Client 15 The PanelView can also communicate using peer to peer Explicit Client messaging where the PanelView Client initiates the connections and obtains data from other devices Server Connections to other devices are created with Tag Form addresses and use explicit messages to read and write values to other DeviceNet nodes Panel View Explicit Client communications only support transactions with UCMM capable network devices Only Get_Attribute_Single and Set_Attribute_Single commands are supported For PanelView objects with explicit client addressing
20. and attempts to re establish the communications link Interscan Delay F5 Provides a delay between scans of the Explicit Client tags The numeric entry scratchpad Enter a value of 0 to 65535 milliseconds This time delay is inserted between each full scan of the Explicit Client tags in the current screen context The value is initially set by the downloaded application but can be changed by an operator When changed the new value takes effect immediately Input Size Displays the number of words 0 to 64 sent by the Panel View in an I O message 0 is the default value which indicates that no input data is exchanged with the scanner This value is set by the downloaded application Output Size Displays the number of words 0 to 64 received by the PanelView in an I O message 0 is the default value which indicates that no output data is exchanged with the scanner This value is set by the downloaded application Comm LED e solid fill normal operating state e blinking no communications established e no fill hardware failure Exit F10 or F16 Returns to the Configuration Mode menu Setting up Communications using PanelBuilder Setting up DeviceNet communications for an application requires e selecting a DeviceNet terminal when creating the application e configuring communication parameters for the terminal on the DeviceNet link Selecting a DeviceNet PanelView Terminal Select a DeviceNet terminal for a
21. ble AC Drive user manual 1305 Drive Application C 3 Acceleration Read Tag Configuration The following dialog defines a numeric display object This dialog assigns a read tag and defines other attributes of the display object Clicking the Edit Tag button allows you to edit the read tag data as shown below The Messaging Type is defined as Explicit Client The Class Instance and Attribute specify a data location in the 1305 Drive for the Accel 1 Time Note For more information on Class Instance and Attribute fields see the Bulletin 1305 Adjustable AC Drive user manual Publication 2711 6 0 4 C 4 1305 Drive Application PanelView Status Screen Create the status screen below to view the drive status Use a message display with embedded text The dialog below defines a message display object The dialog assigns the read tag Status to the object and defines the field width for the display object Clicking the Edit Tag button allows you to edit the read tag data as shown below Publication 2711 6 0 4 1305 Drive Application C 5 The Messaging Type is defined as Explicit Client The Class Instance and Attribute specify a data location in the 1305 Drive for the status text Note For more information on Class Instance and Attribute fields see the Bulletin 1305 Adjustable AC Driver user manual 1203 GK5 Communications Module Configuration Configure the 1203 Communications Module to operate with the
22. dley 37 The size of a particular channel exceeds the size limita tions set by the daughtercard Should not occur in If problem re occurs con normal operation Reset the terminal tact Allen Bradley 20xx Critical Internal DeviceNet Firmware fault Should not occur in If problem re occurs con normal operation Reset the terminal tact Allen Bradley 9 11 21 22 24 36 Internal faults associated with motherboard daughter card communications Should not occur in If problem re occur normal operation Reset the terminal s contact Allen Bradley Publication 2711 6 0 4 Conversion Tables Explicit Client Appendix A Read Write Tag Conversion Table Use the following tables to determine the Packet Bytes and Offset for Explicit Client messages when a server device has more than one word per Assembly Instance The Packet Bytes and Offset determine the data location the PanelView is going to read or write PanelView Client Read Write Tag Conversion Word eee Offset Word aie Offset Word ee Offset Bytes Bytes Bytes 0 2 0 22 46 352 44 90 704 1 4 16 23 48 368 45 92 720 2 6 32 24 50 384 46 94 736 3 8 48 25 52 400 47 96 752 4 10 64 26 54 416 48 98 768 5 12 80 27 56 432 49 100 784 6 14 96 28 58 448 50 102 800 7 16 112 29 60 464 51 104 816 8 18 128 3
23. e cur 0 9 printable characters m iny mx b Offset b iny mx b rent tag s proces sor integer value x to engineering units y e E and period maximum precision is 6 places to the right of the decimal maximum precision for offset is 6 places to the right of decimal e if present a sign or for the number must be first is the default e if present a sign for the exponent must immediately follow the e or E Data Entry Limits Minimum Maximum The minimum and maximum values that can be assigned to the tag maximum characters 12 0 9 e E period e do not use blanks tabs carriage returns non printable characters maximum precision is 6 places to the right of the decimal e if present a sign or for the number must be first is the default e if present a sign for the exponent must immediately follow the e or E Publication 2711 6 0 4 20 Using the Electronic Data Sheet Publication 2711 6 0 4 Each device on the DeviceNet network has an Electronic Data Sheet EDS containing operating parameters of the device Load these data sheets when using Explicit Client messaging Panel View client accesses data from server device Refer to the device s user manual for instructions on obtaining the EDS file The EDS parameters can be uploaded to the PanelBuilder Tag Form When the Explicit Client message type is selected in the Tag Edito
24. embly instance 16 1 0 Connection Size does not match size of I O data in Clear the message and if the problem reoccurs consult Assembly Instances 1 amp 2 Programmed connection sizes Allen Bradley for 1 0 do not match the amount of data represented by the I O type tags 19 Get Next Contact Request Failure In Explicit Client Mode Should not occur in normal operation Clear the Publication 2711 6 0 4 scanning the request to obtain the next tag in current context failed message If problem reoccurs contact Allen Bradley Fault Messages 27 These messages indicate critical fault conditions They appear as a full screen box with an Error 635 in the upper left corner Reset the terminal to clear the condition If the problem persists note the 2 digit code and contact Allen Bradley Code Indicates Recommended Action PCCC Message Transaction error during file transfer Should not occur in If problem re occurs con normal operation Reset the terminal tact Allen Bradley Stack overflow fault Should not occur in If problem re occurs con normal operation Reset the terminal tact Allen Bradley 17 Client Object Failed Should not occur in If problem re occurs con normal operation Reset the terminal tact Allen Bradley 18 CAN Chip Failed to initialize Should not occur in f problem re occurs con normal operation Reset the terminal tact Allen Bra
25. et class instance attribute from the sheet manu ally Write Tag Write tag data sent Check box If Write Tag is not selected tag is specified as a Explicit Client to server device read tag data is read from server device Message only Packet Bytes Number of bytes in 1 to 128 This value must match the amount of data in the Explicit Client Message only each message packet attribute addressed in the external server device Refer to appendix A Field Bit Offset Explicit Client Message only Description The offset index into the returned data Typically 0 Valid Characters Notes Bit Offset is limited to the number of bytes speci fied for the Packet Bytes For example if Packet Bytes is 2 the Bit Offset must be 0 15 Refer to Appendix A Class Explicit Client Message only Class of the object being addressed Load information from the electronic data sheet EDS automatically if possible or refer to the tar get devices user documentation Instance Instance of the Load this information from the electronic data Explicit Client object being sheet EDS if possible or refer to the target Message only addressed devices user documentation Attribute Attribute of the Load this information from the electronic data Explicit Client object being sheet EDS if possible or refer to the target Message only addressed devices user documentation Array
26. for Change of State I O messages are sent when data changes If no change of state occurs messages are sent at a pre determined heartbeat interval Cyclic T O messages that are sent at a predefined fixed rate DeviceNet DeviceNet is an open network standard based on CAN Controller Area network The specification and protocol are open Vendors are not required to purchase hardware software or licensing rights to connect devices to a system Anyone may obtain the DeviceNet Specification from the Open DeviceNet Vendor Association Inc ODVA for a nominal reproduction charge http www odva org Publication 2711 6 0 4 Glossary 2 Publication 2711 6 0 4 DeviceNet Manager Personal computer running DeviceNet Manager software Catalog No 1787 MGR This software configures DeviceNet nodes using explicit messages Also see RSNetworx EDS Acronym for the Electronic Data Sheet A specially formatted ASCII file that provides information about a device s configuration data context content and format The information in an EDS allows configuration tools to provide information screens that guide a user through the steps necessary to configure a device Explicit Client or Server Messages Provide multi purpose point to point communication paths between 2 devices They provide the typical request response oriented network communications to perform node configuration and problem diagnosis Explicit messages typically use low pr
27. ger is chosen chosen Display value scaling may be necessary 7 The DeviceNet Data Type is unsupported by PanelView Use of this There is no corresponding PV Data Type for the DeviceNet parameter may produce unexpected results parameter chosen This parameter requires knowledge of how the DeviceNet data is structured For instance one element of the DeviceNet Time Data Type may be displayed but the location of the internal fields must be known 8 This parameter designates that extended precision scaling should be The chosen parameter specifies Extended Precision Scaling used to display the parameter PanelView does not support extended The appropriate scaling factor must be manually determined precision scaling and entered into the Scale and Offset fields of the Tag Form 9 Unable to open EDS File The system was unable to open the specified EDS file PanelBuilder Device Error Messages Reference Message Recommended Action 1 Device lt Device Name gt Cannot be converted to current protocol Create a new device entry in the Terminal Setup dialog format 2 Device lt Device Name gt Communication settings have never been Update the Communications Setup dialog to the appropriate initialized network values node address baud rate 3 Device lt Device Name gt Converted to DeviceNet Default communi Update the Communications Setup dialog to the appropriate cation parameters will be used ne
28. ilable baud Baud Rate rates are 125 kbps 250 kbps 500 kbps 3 Under I O Scanner edit the following parameters Specify To Specify the number of words 0 to 64 that are sent to the scanner from the PanelView with each I O message 0 is the Input Size default value which indicates that no input I O data exists in the application Size must match configuration in Master device Specify the number of words 0 to 64 that are received by the PanelView from the scanner with each I O message 0 is Output Size the default value which indicates that no output I O data exists in the application Size must match configuration in Master device 4 Edit the following parameters Specify To Provide a delay between scans of the Explicit Client tags Enter a value of 0 to 65535 milliseconds The default is 500 msec This time delay is inserted between each full scan of Interscan Delay Explicit Client tags in the current screen context Note Time delays of less than 500 msec should be carefully considered since the Explicitly Client mode will generate low priority network messaging at this interval Specify what occurs when a Bus off Interrupt occurs on the network Hold in Reset holds the PanelView and waits for Bus off Interrupt communications to be reset Reset and Continue Communications resets DeviceNet communications and attempts to re establish the communications link if possible
29. ional associated Data Type is IEEE Float 4 bytes will be written by bytes the tag However if tags are assigned to the Block Write of a Piloted Control List the number of bytes written will be a multi ple of the states displayed on the list 6 Tag lt Tag Name gt Expected Analog Tag The Tag Address should not specify a bit number 7 Tag lt Tag Name gt Expected Colon or O should be followed by Add a colon after the or O 8 Tag lt Tag Name gt Expected Discrete Tag The Tag Address should specify a bit number 9 Tag lt Tag Name gt Expected Input Tag Tag Address should begin Change the Tag Address to begin with I with 10 Tag lt Tag Name gt Expected Output Tag Tag Address should begin Change the Tag Address to begin with O with O 11 Tag lt Tag Name gt Expected Read Tag Uncheck the Write Tag box on the Tag Form 12 Tag lt Tag Name gt Expected Slash in Tag Address Add a slash and bit number to the Tag Address 13 Tag lt Tag Name gt Expected Write Tag Check the Write Tag box on the Tag Form 14 Tag lt Tag Name gt Explicit Server Input and Output Tags have been An Assembly Instance should contain only input tags or only assigned to the same Assembly Instance output tags Place input and output tags in separate assembly instances 15 Tag lt Tag Name gt Explicit Server Input Elements must be 0 63 Reduce the word offset for the associated Tag Address 16 Tag lt Tag Name gt
30. iority identifiers and contain the specific meaning of the message right in the data field This includes the service to be performed and the specific object attribute address They do not need to be active all the time Identifier See CAN ID Instance An actual object such as a counter The terms Object Instance Object and Instance all refer to an actual object and are often interchangeable See also Assembly Object and Object T O Slave Messages T O messages are time critical control oriented data They provide a dedicated special purpose communication path between a producing application and one or more consuming applications They are exchanged across single or multi cast connections and typically use high priority identifiers Unlike explicit messages I O messages contain only data they do not contain any protocol in the 8 byte field Node Address A unique number that identifies a device on a DeviceNet network Object Each object has a defined behavior and data structure Different objects respond differently to the same event See Instance Poll Messaging that involves an output message from the master to the slave The slave responds with an input message These messages can be of any reasonable length including zero Predefined Master Slave Connection Set A simplified network scheme in which controllers PLCs SLCs and computers are usually masters and the Panel View terminal is the slave It is possible for a node
31. ite Tag PanelView ET Message Server Device 1 e Sensor Drive Explicit S lt amp Server Response Server Device 2 Sensor Drive Server Device p Sensor Drive Publication 2711 6 0 4 16 Publication 2711 6 0 4 Notes on using Explicit Client Messaging ATTENTION Do not use the Explicit Client messaging with critical control parameters or as an alternative to a hard wired emergency stop button e Devices must have a sufficient number of available connections to support an Explicit Message connection by the PanelView and any other connections required by the application This includes a Group 2 Only Slave owned by a Group 2 Only Client such as a scanner that can proxy the UCMM service for the slave e Data read written must be accessible as an externally addressed DeviceNet attribute with the Get_Attribute_Single and Set_Attribute_Single commands e Explicit Client messaging is not designed for high speed communications and uses lower priority messaging on DeviceNet Use I O messaging for time critical applications e PanelBuilder Version 2 40 and later allows you to use an offset for writing multiple words in each instance The Panel View reads or writes an entire Assembly Instance The Packet Bytes and Bit Offset in the tag address filter the requested information e The Panel View can access 128 unique Explicit Client tags unique Node Class Instance Attribute 1
32. ith a DeviceNet application have priority over terminal settings and take effect immediately after the download a l M i PV900 Touch Screen shown other displays are similar Restart Terminal F1 Resets the terminal New Node Address F2 Opens the numeric entry scratchpad Enter the node address 0 63 of the PanelView terminal on the DeviceNet link and press the Enter J key on touch screen terminals press the Enter key on the scratchpad A node change takes effect on reset Active Node Address Displays the current network operating address of the PanelView terminal Default is 63 New Baud F3 Step through baud rates with each key press 125K default 250K 500K The selected baud rate takes effect immediately Publication 2711 6 0 4 Publication 2711 6 0 4 Active Baud Displays the current baud rate of the Panel View terminal The baud rate is set to the New Baud value at power up The active baud is the rate of the Panel View not the network The Panel View is not automatically set to the network baud rate Bus off Interrupt F4 Specifies what occurs when a CAN bus off interrupt occurs on the DeviceNet network e Hold in Reset holds the Panel View and waits for a communications reset or a terminal reset The Panel View is not allowed network access when Hold in Reset is selected and a Bus off Interrupt occurs e Reset and Continue Communications resets DeviceNet communications
33. itional network descriptions and application information are available at the Allen Bradley website www ab com At the Allen Bradley website refer to both the Network descriptions under Products and Services and the Rockwell Automation Technical Support pages The technical support pages contain DeviceNet demo examples that are helpful if you are just getting started Refer to the glossary of this document for definitions of unfamiliar terms Publication 2711 6 0 4 DeviceNet PanelView Terminals 3 DeviceNet terminals have a 10 at the end of their catalog number for example 2711 K9A10 DeviceNet terminals have e DeviceNet communications port e RS 232 port Making DeviceNet Connections Use one of the cables below to connect the DeviceNet version of the PanelView terminal to a DeviceNet network Cable Catalog No DeviceNet Cable 50 meters 164 feet 1485C P1A50 DeviceNet Cable 100 meters 328 feet 1485C P1A150 DeviceNet Cable 150 meters 492 feet 1485C P1A300 Important Refer to DeviceNet Cable System Planning and Installation manual Publication 1485 6 7 1 for network layout and design information DeviceNet Connector The DeviceNet connector is identified by the label on the PanelView terminal PanelView 900 shown cg I gt a in F DeviceNet Port
34. lBuilder control that must be atomic The tag s Message Type is inconsistent with the previous tags in this group updated in the same data packet Change the Message Type so that it is the same as the other members of this group Publication 2711 6 0 4 24 Electronic Data Sheet EDS File Error Messages Reference Message Recommended Action 1 Could not allocate memory The system cannot allocate enough memory to read the EDS file 2 In order to support scaling the PV Data Type will be changed to The chosen parameter has scaling factors To support scaling Unsigned Integer factors an appropriate PV Data Type must be chosen The scaling factor will be calculated and entered as the Scale and Offset values on the Tag Form 3 Invalid EDS File The EDS file is corrupt or contains too many parameters to be read 4 The DeviceNet Data Type does not match the PanelView Data Type Boor or Bit Array is the best choice for the parameter chosen chosen It is recommended that either Bool or Bit Array is chosen 5 The DeviceNet Data Type does not match the PanelView Data Type IEEE Float is the best choice for the parameter chosen chosen It is recommended that Floating Point is chosen 6 The DeviceNet Data Type does not match the PanelView Data Type Signed or Unsigned Integer is the best choice for the parameter chosen It is recommended that either Signed or Unsigned Inte
35. n attempt to connect to the network at the wrong baud rate Check baud rate and network wiring including termina tion resistors Reset the terminal Publication 2711 6 0 4 26 Alert Messages These messages appear as a box in the middle of the screen Error 636 in upper left of box and alert the user to a condition Operation of the terminal continues Alert messages can be cleared Code Indicates Recommended Action 2 Unsupported DeviceNet Message received The Network Should not occur in normal operation Clear the Access Object received a message that is not supported message If problem re occurs contact Allen Bradley 3 Initial Writes Failure The Motherboard failed to send all Should not occur during normal operation Clear the input data to the daughter card prior to network startup message If problem reoccurs contact Allen Bradley 4 Invalid Explicit Client Address Occurs at runtime if the Clear the message and determine which tag in the appli node address associated with the Explicit Client tag is cation is pointing to the PanelView s node address Cor the same as the PanelView rect the application 7 Change Of State Input Overrun Occurs if PanelView Clear the message Excessive network traffic could state changes on I O input data occurred faster than the cause this problem if inputs are changing rapidly PanelView could send them to the I O scanner 8 Identity Object
36. nelView tag form dialog For more information on specific DeviceNet commands and functions contact the Open DeviceNet Vendors Association ODVA With Explicit Server messaging the Panel View terminal Server controls the data and waits for client device s to request or send data Assembly Instances 3 16 contain the Panel View data with up to 64 words in each instance total of 896 words can be transferred Inputs and outputs cannot be placed in the same Only Get_Attribute_Single and Set_Attribute_Single commands are supported For PanelView objects with Explicit Server addressing Get_Attribute_Single service code OxOE External client device reads the Panel View objects tags Set_Attribute_Single service code 0x10 External client device sends values to the PanelView output objects tags The following illustrates explicit server messaging functions Client device initiates communications with Explicit GET Message to obtain input data from the Panel View server The Panel View server responds by sending data For Outputs Client device sends data using an Explicit SET Message to set output data The Panel View server responds that data has been received Explicit Server Message Tags Explicit Messaging can function as either a Explicit Server instance For Inputs Input Tag Assembly Input Tag Instance 3 16 Input Tag Output Tag Assembly
37. ng the control screen screen 1 The status of the drive is displayed on the status screen screen 2 Publication 2711 6 0 4 Glossary Assembly Object DeviceNet products usually have one or more Assembly Objects The purpose of the Assembly Object is to group different Attributes data so they can be moved by a single message See also Instance Attribute A data element that can be read or written Each attribute is assigned an integer value Attribute ID as an identifier in the range of 0 255 CAN Acronym for Controller Area Network DeviceNet is based on CAN CAN ID or identifier is an 11 bit field that identifies each message on any CAN network CAN IDs must be unique Class A set of objects that behave in a similar manner Each object class is assigned an integer value called the Class ID 0 65535 Classes 0 99 are open classes 100 199 are vendor specific Higher numbers are divided between open reserved and vendor specific but are currently rarely used Vendor specific classes are defined by the vendor Client The device that originates a transmission Applies to Explicit Messaging With Explicit Client messaging the Panel View terminal is the client device that requests or sends information from to a server device See Server Connection The logical link between a node and one or more other nodes for production or consumption Most nodes have at least two connections one explicit one I O COs Acronym
38. otes and Recommendations The I O size specified in the PanelView terminal Configuring DeviceNet Communications on page 8 must match the I O size expected by the DeviceNet scanner COS Polled and Cyclic are selected during configuration of the scanner You do not have to configure the Panel View to accept COS polled and cyclic messages Both acknowledged and unacknowledged Change of State Cyclic modes are allowed We recommend that you use the acknowledged COS mode since the device sending the message never knows that data was received when unacknowledged COS is used If acknowledged mode is used no data is returned in the acknowledgment The Polled COS option is allowed but the polled response data and the COS data are from the same assembly For the most efficient operation do not use the Polled COS option Use of COS or Cyclic I O connections is highly recommended over Polled I O for I O sizes in excess of 32 words to minimize network traffic T O messages have higher priority than Explicit messaging 13 The PanelView with DeviceNet can communicate with other DeviceNet products that have Unconnected Message Manager UCMM capability The Panel View e Client where the Panel View initiates the exchange of data with a server e Server where the PanelView responds to data request from a client UCMM data transfers are referred to as either Explicit Client or Explicit Server and are configured in the Pa
39. power rangra products Dodge mechanical peer tasmasi Components and Aockwell Soltwarn Rockwell duinmaterrs Wrage Thee approach 10 helping qushomers achieve a competie avaniage s supported by thocands of authored pariners disinietors and syber inmiegraiors arcund the word Amatices Headquarters 1201 South Second Sirga Mikvauions Wi SOM USA Pet 1 404 2 200 Fae 1 214 ee bate i Rockwell Europes Headquarters SANV swerve Hermann Debre 45 116 Brosas Beku Tel PS 06 00 Fa 2 BR a Asin Pacific Headquariers 77 7 Citicorp Gasim 1A Wehithield Ped Graa Hay Hong ong Tel E2 FRET araa har RG 20H TEAR Automation Publication 2711 6 0 4 March 1999 40061 369 01 C Supersedes Publication 2711 6 0 4 August 1997 1999 Rockwell International Rights Reseved Printed in USA
40. r the Load From EDS option appears in the dialog To load parameter data from the Electronic Data Sheet 1 Click the Load From EDS button james n r 7 1S el e 2 al omi hies of iye Drs 2 Select the EDS file you want to read 3 After the file is loaded the following dialog appears When you select a group only parameters in that group become available By default all parameters are displayed Select a parameter If the parameter has bit field enumeration associated with it select an Enumerated Data Item Select OK to continue The class instance and attribute associated with the selected parameter is displayed on the tag form Downloading Applications over a Serial Link DeviceNet Application Report 21 To download a DeviceNet application from your computer to the Panel View terminal over an RS 232 link e connect computer to RS 232 port of Panel View terminal e download application from PanelBuilder Application menu Use PanelBuilder s internal DF1 driver for the download This driver uses fixed DF1 settings that match those of the RS 232 port of the Panel View Terminal Refer to the PanelBuilder software and the on line help for details on downloading an application The application printout for DeviceNet provides e configuration data e tag data e supplemental data Publication 2711 6 0 4 22 DeviceNet Error Messages and Codes
41. to simultaneously be both master and slave for example the DeviceNet Scanner 17xx SDN The Predefined Master Slave Connection Set includes three types of I O connections Poll Strobe and COS Cyclic Glossary 3 RSNetworx Network manager software Catalog No 9357 DNETL3 Similar to DeviceNet Manager software Server The device that responds to a message from a client device The Server s response may cause it to return a message to the client Applies to both Explicit messaging and I O connections With Explicit Server messaging the Panel View terminal is the server device that responds to information requests from client devices See Client Strobe Messaging that involves an output message broadcast by the master to all slaves configured for this type of messaging Each slave responds with an input message The output message has one bit of data for each slave The input message is from 0 to 8 bytes long Also known as Bit Strobe The PanelView does not support this type of messaging UCMM Acronym for Unconnected Message Manager The UCMM provides for the dynamic establishment of Explicit Messaging Connections Many simple devices do not have UCMM capabilities and may be referred to as group 2 only server devices Publication 2711 6 0 4 Reach os now at wwe rockwellauiomalioncom Wherever you Need us Aockwell Automation brags boagether leaching brands in mdustrial automation ndadrg Aler bradley controls Relance kecing
42. twork values node address baud rate Publication 2711 6 0 4 PanelBuilder Translation Error Messages Message Too many peer accesses Only 128 Explicit Client message channels are allowed per application 25 Recommended Action Reduce the number of Explicit Client Tags in your application Translation Failure Contact Allen Bradley for technical support Communication Status Error Messages These errors appear as a banner at the top of an application screen error 634 in upper left corner or as Mod Net LED status on the terminal s Configuration screen Errors codes 11 or less are minor fault conditions and clear automatically when corrected Error codes above 11 require a terminal reset to clear the error Code Indicates Recommended Action No connections established Occurs on power up until a device connection is established on the network Establish a connection over DeviceNet to the PanelView A connection is in the timed out state Occurs once I O messaging is stopped after an I O connection has been running Check the network wiring and that the master device scanner is operational An Explicit Client tag cannot be obtained Occurs if the device associated with an Explicit Client tag is not responding or the peer tag does not exist at the specified class instance and attribute number Check the data location is correct and that the end device is attached
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