Allen-Bradley Compact I/O 1769-ADN DeviceNet User Manual

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Summary of Contents for Allen-Bradley Compact I/O 1769-ADN DeviceNet

  • Page 1 Compact™ I/O 1769-ADN DeviceNet Adapter 1769-ADN User Manual Allen-Bradley Parts...
  • Page 2 • avoid a hazard • recognize the consequences Identifies information that is critical for successful IMPORTANT application and understanding of the product. The following are trademarks of Rockwell Automation: Allen-Bradley, Compact, RSNetworx, RSLogix 500, RSLinx, SLC 500, SLC, MicroLogix, RSLogix 5000, and Logix5550.
  • Page 3 Programmable Controllers, Part 2 - Equipment Requirements and Tests. For specific information required by EN 61131-2, see the appropriate sections in this publication, as well as the Allen-Bradley publication Industrial Automation Wiring and Grounding Guidelines For Noise Immunity, publication 1770-4.1.
  • Page 5: Table Of Contents

    Output Data ....... . 2-8 Allen-Bradley Parts Input Data ........2-8...
  • Page 6 Table of Contents 1769-OB16P Electronically Protected Solid-State 24V DC Output Module (Available August 2000)....2-9 Output Data ....... . 2-9 Input Data .
  • Page 7 Ladder Logic Example Program ....B-31 Discrete Module Configuration Files....B-32 Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 8 Table of Contents Appendix C About the Throughput Characteristics ....C-1 Turn-Around Time (ttat) ......C-1 Minimum Inter-Scan Delay (ISD) for Polled Connections .
  • Page 9 Use this manual if you are responsible for designing, installing, programming, or troubleshooting control system that use Manual Allen-Bradley Compact I/O adapters. How to Use This Manual As much as possible, we organized this manual to explain, in a task-by-task manner, how to install, configure, program, operate, and troubleshoot a control system using the 1769 I/O modules.
  • Page 10 Preface Related Documentation The table below provides a listing of publications that contain important information about Compact I/O. Refer to this Document Pub. No. Information on how to install and use your 1769-ADN Adapter Compact I/O 1769-ADN DeviceNet 1769-IN001A-US-P Adapter Installation Instructions Installation guides for 1769 Discrete Compact I/O module 1769-IA8I Compact 1769-IA8I Individually Isolated 1769-5.12...
  • Page 11 • Bulleted lists (like this one) provide information, not procedural steps. • Numbered lists provide sequential steps or hierarchical information. • Italic type is used for emphasis. • Text in this font indicates words or phrases you should type. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 12 • warranty support • support service agreement Technical Product Assistance If you need to contact Allen-Bradley for technical assistance, please review the information in Chapter 4, Troubleshooting first. Then call your local Allen-Bradley representative. Your Questions or Comments on the Manual If you find a problem with this manual, please notify us using the self-mailer Publications Problem Report in the back of this manual.
  • Page 13: Compact I/O Module Description

    DeviceNet node address rotary identification label selection switches - Most Significant Digit (MSD) Stationary bus connector with male DeviceNet node address rotary pins selection switches - Least Significant Digit (LSD) Nameplate label Removable DeviceNet terminal Allen-Bradley Parts connector Publication 1769-UM001A-US-P - May 2000...
  • Page 14: Module Installation

    Installing Your DeviceNet Adapter Module Module Installation Compact I/O is suitable for use in an industrial environment when installed in accordance with these instructions. Specifically, this equipment is intended for use in clean, dry environments (Pollution degree 2 ) and to circuits not exceeding Over Voltage Category II (IEC 60664-1).
  • Page 15: System Assembly

    7. Attach an end cap terminator (d) to the last I/O module in the system by using the tongue-and-groove slots as before. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 16: Mounting The Adapter And An I/O Module

    Installing Your DeviceNet Adapter Module 8. Lock the end cap bus terminator (e). A 1769-ECR or 1769-ECL right or left end cap IMPORTANT must be used to terminate the end of the serial communication bus. 9. Refer to the “DeviceNet Wiring” section on page 1-7. Mounting the Adapter and an I/O Module During panel or DIN rail mounting of all devices,...
  • Page 17: Panel Mounting Procedure Using Modules As A Template

    NOTE: If mounting more modules, mount only the last one of this group and put the others aside. This reduces remounting time during drilling and tapping of the next group. 7. Repeat steps 1 through 6 for any remaining modules. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 18: Din Rail Mounting

    Installing Your DeviceNet Adapter Module DIN Rail Mounting The adapter can be mounted using the following DIN rails: • 35 x 7.5mm (EN50022 - 35 x 7.5) • 35 x 15mm (EN 50022 - 35 x 15) Before mounting the module on a DIN rail, close the DIN rail latches. Press the DIN rail mounting area of the module against the DIN rail.
  • Page 19: Field Wiring Connections

    2. Insert the removable female connector into the mating male connector on the DeviceNet adapter module. 3. Screw the removable connector to the adapter case with the Allen-Bradley Parts upper and lower mounting screws. Screw torque is 5-6 in-lbs. Publication 1769-UM001A-US-P - May 2000...
  • Page 20: Setting The Network Address Switches

    If the 1769-ADN is the last device connected to the IMPORTANT DeviceNet network trunkline, be sure to add the termination resistor (Allen-Bradley part number 1485A-C2 or a 120Ω 5% or > ¼W resistor) across the Blue (CAN Low) and White (CAN High) wires.
  • Page 21: Configuring The 1769-Adn

    The 1769-ADN retains the programmed system configuration in non-volatile memory so it can compare it with the actual system configuration on power-up. For more information, refer to Configuring Your Compact I/O System Offline in Chapter 3. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 22 1-10 Installing Your DeviceNet Adapter Module Notes: Publication 1769-UM001A-US-P - May 2000...
  • Page 23: Communication Over The 1769 Bus

    Status Words. This is followed by the input data from each slot, in the order of the installed I/O modules. The input data from Slot 1 is first after the status words, followed by Input data from Slot 2, and so on Allen-Bradley Parts up to Slot 30. Publication 1769-UM001A-US-P - May 2000...
  • Page 24: Adapter Status Words

    How Communication Takes Place and I/O Image Table Mapping The amount of input data in the adapter’s input image for each I/O module is based on the configuration of each I/O module done as part of the 1769-ADN configuration. If an I/O module is configured to have 0 words of input data, then it does not appear as input data in the 1769-ADN.
  • Page 25 The node address changed bit is set when the node address switch setting has been changed since power up. The new node address does not take affect until the adapter has been powered down and then powered back up. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 26: Communication Choices

    How Communication Takes Place and I/O Image Table Mapping Communication Choices The Compact I/O DeviceNet adapter module supports multiple communication choices. These choices all use the DeviceNet adapter input image and output image structure previously described. The DeviceNet master makes the actual communication choice. The choices are: Polled - data is sent by the adapter in response to received data...
  • Page 27: 1769-Ia8I Individually Isolated 120V Ac Input Module

    Input Data Module (16 Point) For each 1769-IA16 input module, input data word 0 contains the current state of the field input points. Bit Position 15 14 13 12 11 10 r = read Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 28: 1769-If4 (Series A And B) Analog Current/Voltage Input Module (4 Channel)

    How Communication Takes Place and I/O Image Table Mapping 1769-IF4 (Series A and B) Input Data Analog Current/Voltage For each 1769-IF4 input module, input data words 0-3 contain the Input Module (4 Channel) analog value of the inputs. Word 4 and 5 contain analog status and error information.
  • Page 29: 1769-Oa8 100 To 240V Ac Solid State Output Module (8 Point)

    = read The output module’s input data reflects the output IMPORTANT data echo of the module, not necessarily the electrical state of the output terminals. It does not reflect shorted or open outputs. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 30: 1769-Ob16 Solid State 24V Dc Source Output Module (16 Point)

    How Communication Takes Place and I/O Image Table Mapping 1769-OB16 Solid State 24V Output Data DC Source Output Module For each 1769-OB16 module, output data word 0 contains the control (16 Point) program’s directed state of the discrete output points. Bit Position 15 14 13 12 11 10 w = write...
  • Page 31: Allen-Bradley Parts

    = read The output module’s input data reflects the output IMPORTANT data echo of the module, not necessarily the electrical state of the output terminals. It does not reflect shorted or open outputs. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 32: Input Data

    2-10 How Communication Takes Place and I/O Image Table Mapping 1769-OF2 (Series A and B) Output Data Analog Current/Voltage For each 1769-OF2 module, output data words 0 and 1 contain the Output Module (2 Channel) channel 0 and channel 1 output data. Bit Position 14 13 12 11 10 Analog Output Data Channel 0...
  • Page 33: Input Data

    = read The output module’s input data reflects the output IMPORTANT data echo of the module, not necessarily the electrical state of the output terminals. It does not reflect shorted or open outputs. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 34: Input Data

    2-12 How Communication Takes Place and I/O Image Table Mapping 1769-OW8 AC/DC Relay Output Data Output Module (8 Point) For each 1769-OW8 module, output data word 0 contains the control program’s directed state of the discrete output points. Bits 8 to 15 are not used.
  • Page 35: Input Data

    = read The output module’s input data reflects the output IMPORTANT data echo of the module, not necessarily the electrical state of the output terminals. It does not reflect shorted or open outputs. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 36: Input Data

    2-14 How Communication Takes Place and I/O Image Table Mapping 1769-IQ6XOW4 24V DC Output Data Sink/Source Input AC/DC For each 1769-IQ6XOW4 module, output data word 0 contains the Relay Output Module control program’s directed state of the discrete output points. Bits 4 to (6 Point In, 4 Point Out) 15 are not used.
  • Page 37: Defaults

    Factory defaults (for size) set I/O sizes to the maximum amount of I/O data for a module to provide maximum functionality. You can change the I/O data size for a module by reducing the number of words mapped into the adapter module. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 38 2-16 How Communication Takes Place and I/O Image Table Mapping The real-time settings option provides optimal real time data to and from the I/O module over the network. You need a software configuration tool to change the size. The real time settings provide the fastest network time by only mapping the points or channels for the I/O modules.
  • Page 39: Chapter 3 About Rsnetworx

    To add a 1769-ADN adapter offline, double-click (or drop and drag) on the 1769-ADN DeviceNet Adapter selection on the left. Adapter Offline Notice that the adapter now appears on your network on the right. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 40: Configuring Your Compact I/O System Offline

    Configuring Your Compact I/O DeviceNet Adapter Configuring Your Compact Now that you’ve added the 1769-ADN DeviceNet adapter offline, you’ll need to configure the adapter and all of the devices in the I/O System Offline 1769 I/O system. Configuring Your Adapter You’ll see this screen when you double-click on the 1769-ADN DeviceNet adapter icon.
  • Page 41 Notice that this field is now called Slot 1 if an I/O module was selected. This slot-numbering scheme will continue for each I/O module you add to the configuration. Note: Power supplies and cable are not assigned slot numbers. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 42 Configuring Your Compact I/O DeviceNet Adapter 2. Continue to list your devices down the left column and continue at the top right column if necessary. Note: To limit the need to reconfigure, make sure you understand the Configuration Rules on page 3-6. Notice that only I/O modules are assigned Slot addresses.
  • Page 43 8. For information on 1769 bus configuration rules, refer to Using Banks of I/O on page 3-6. 9. After defining the devices on this 1769-ADN node, go to Configuring Discrete Input Modules on page 3-8 to configure each 1769 I/O module. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 44: Using Banks Of I/O

    Configuring Your Compact I/O DeviceNet Adapter Using Banks of I/O Configuration Rules • The adapter must be the first and left-most module in the system (the first module of Bank 1). • The adapter can communicate with up to 30 modules in a system.
  • Page 45 Bank 3 I/O Slot Number 42131 Right-to-Left Cable Right-to-Left Cable NOTE: I/O modules are not required between either the adapter and an end cap or between the power supply and an end cap. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 46: Configuring Discrete Input Modules

    Configuring Your Compact I/O DeviceNet Adapter Configuring Discrete Follow these guidelines to configure discrete input modules. Input Modules 1. From the Bank Configuration tab, click on the slot number of the input module you would like to configure. You’ll see a screen similar to this. 2.
  • Page 47 8. To apply the specific words/functions, check the appropriate box and choose OK on the Data Description screen. 9. Once you’ve finished making your changes, you may choose OK from the I/O Module screen to return to the Bank Configuration screen. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 48: Configuring Discrete Output Modules

    3-10 Configuring Your Compact I/O DeviceNet Adapter Configuring Discrete Follow these guidelines to configure discrete output modules. Output Modules 1. From the Bank Configuration tab, click on the slot number of the output module you would like to configure. You’ll see a screen similar to this. 2.
  • Page 49 The default is to leave the outputs in program mode. 6. If desired, choose Set for I/O Only to automatically modify the input/output sizes to real time size defaults and the other configuration data to their default values. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 50 3-12 Configuring Your Compact I/O DeviceNet Adapter 7. If desired, choose Data Description to view the definitions of each input and output word. 8. To remove specific words/functions, uncheck the appropriate box and choose OK. 9. To apply the specific words/functions, check the appropriate box and choose OK.
  • Page 51: Configuring Analog Input Modules

    If you enter a non-valid number for a particular module, you will see a screen with a range of valid numbers. Refer to the Comparison Feature section on page 3-20 for an explanation on the use of this field. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 52 3-14 Configuring Your Compact I/O DeviceNet Adapter 3. To change the revision key, enter a new revision value in the field marked revision. Note: 0 is not a valid revision number. Refer to the Comparison Feature section on page 3-20 for an explanation on the use of this field.
  • Page 53 11. To apply the specific words/functions, check the appropriate box and choose OK. 12. Once you’ve finished making your changes, you may choose OK from the I/O Module screen to return to the Bank Configuration screen. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 54: Configuring Analog Output Modules

    3-16 Configuring Your Compact I/O DeviceNet Adapter Configuring Analog Follow these guidelines to configure analog output modules. Output Modules 1. From the Bank Configuration tab, click on the slot number of the analog output module you would like to configure. You’ll see a screen similar to this.
  • Page 55 +24V power source, check the box if the +24V for this module is supplied by any +24V power supply other than the 1769 backplane power. Uncheck the box if the 1769 power supply is supplying the +24V for this module. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 56 3-18 Configuring Your Compact I/O DeviceNet Adapter RSNetworx uses this information when it performs an audit of the configuration with regards to +24V requirements. Note: This parameter is not saved in the 1769-ADN adapter. The default is that the 1769 power supply is supplying the +24V for this module any time you perform an upload from the 1769-ADN adapter.
  • Page 57: Configuring Power Supplies, Cables, And End Cap

    Viewing the Mapping Summaries To view the mapping summaries, choose the Summary tab. This is a summary of the configured size and format of the I/O data Allen-Bradley Parts for the 1769-ADN. Publication 1769-UM001A-US-P - May 2000...
  • Page 58: Configuring Your Compact I/O System Online

    3-20 Configuring Your Compact I/O DeviceNet Adapter Configuring Your Compact If your 1769 I/O system physically exists, you’ll save time by configuring the Compact I/O system online. By configuring online, I/O System Online you simply upload the entire I/O layout including end caps, cables, and power supplies.
  • Page 59: Uploading Configurations

    The first time you select a 1769-ADN from RSNetworx when online, the software will upload the configuration saved in the 1769-ADN. You may upload the saved configuration from the 1769-ADN at any time when online by clicking the right mouse button. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 60: Downloading Configurations

    3-22 Configuring Your Compact I/O DeviceNet Adapter If there is a mismatch between the saved system keying configuration and the keys of the actual devices on the 1769 bus, you will see the following mismatch screen. The mismatch screen identifies all of the devices in the saved system keying configuration and all of the actual devices and then highlights the mismatches.
  • Page 61: Using The Clear Memory Function

    The 1769-ADN is not configured with the actual IMPORTANT device configuration shown at this point. You must choose Apply or OK to download the adapter and I/O configurations for the Compact I/O system to be properly configured. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 62: Configured 1769-Adn Powerup Behavior

    3-24 Configuring Your Compact I/O DeviceNet Adapter Configured 1769-ADN On powerup, the 1769-ADN, with a previous valid configuration, will compare the saved system keying configuration with the actual Powerup Behavior devices to determine if all of the keys match the actual devices (as defined in the Comparison Feature section on page 3-20).
  • Page 63: Diagnostic Indicators

    • node address switch changed • main program checksum failed • configured I/O size too large Solid RED Unrecoverable fault • terminator/end cap missing • connector/cable between modules missing/not connected • bad configuration memory • watchdog tripped Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 64 Troubleshooting with the Indicators LED Indication Meaning Network Status (NS) No power or no network access Flashing GRN/OFF On-line but not connected Solid GRN On-line and connected Flashing RED/OFF Connection time-out Solid RED Critical network failure I/O Status (IO) No power or outputs off Flashing GRN/OFF Idle/program mode - one or more I/O modules in Idle Mode Solid GRN...
  • Page 65: 1747-Sdn Application Example

    SLC 500 and 1000 Instruction Set (publication 1747-6.15), the MicroLogix MicroLogix 1200 and 1500 Instruction Set (publication 1762-RM001B-US-P), the SLC 500 Modular Hardware Style User Allen-Bradley Parts Manual (publication 1747-6.2), and/or the RSLogix 500 help screens. Publication 1769-UM001A-US-P - May 2000...
  • Page 66: Configuring The 1769-Adn Devicenet Adapter

    Application Examples Configuring the 1769-ADN DeviceNet Adapter Start RSNetworx for DeviceNet. At this point, you could configure your network devices offline and download these configuration files to the network devices. Instead, we will go online to configure our network. Refer to chapter 3 for information on configuring your DeviceNet system offline.
  • Page 67 These node address assignments are arbitrary and each device could be assigned any unique address from 00 to 63. To begin configuring your DeviceNet network you’ll configure the Compact I/O system. Double-click on the 1769-ADN icon. You’ll see this screen. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 68 Application Examples Choose the I/O Bank 1 Configuration tab. Choose Yes when asked if you want to upload. You’ll see this screen. The I/O Module Mismatch screen indicates that configuration has not yet been downloaded to the 1769-ADN. Choose Resolve Mismatch. You’ll see this screen.
  • Page 69 Output Words and Bytes as you’ll need this information when configuring the 1747-SDN scanner. Choose Apply. This will download your configuration to the 1769-ADN. Then choose OK to close the adapter’s window and return to the network screen. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 70: Configuring The 1747-Sdn

    Application Examples Configuring the 1747-SDN To configure the 1747-SDN DeviceNet scanner to exchange I/O data with the 1769-ADN, double-click on the 1747-SDN. You’ll see this screen. The General tab supplies information about the scanner. Choose the Module tab and choose Upload on the Scanner Configuration screen. Once the upload is complete you’ll return to the Module tab.
  • Page 71 Every Scan and Background Poll Rates. Refer to Appendix C for some important system characteristics when using the polled mode (minimum inter-scan delay I.D. for polled connections). Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 72 Application Examples Choose OK to accept the Polled configuration. You’ll now see the 1747-SDN Scanner Module screen. Choose the Input tab and you’ll see this screen. From this screen, you can map the input data received from the 1769-ADN into the input image table of the SLC 5/04 processor or to the M1 file.
  • Page 73: Accessing The I/O Data From The 1769-Adn In The Slc Processor

    Use the Input and Output File Data Monitors in the programming software to experiment with viewing inputs and manipulating outputs, until you are comfortable with the I/O mapping to write your ladder program. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 74 5-10 Application Examples Input Image I:3.0 1747-SDN Status I:3.1 1769-ADN Status Word 0 I:3.2 1769-ADN Status Word 1 I:3.3 Slot 1 Input Card, Input Data (1769-IA16) I:3.4 Slot 2 Output Card, Output Echo Data (1769-OW8) I:3.5 Slot 3 Input Card, Input Data (1769-IA16) I:3.6 Slot 4 Output Card, Output Echo Data (1769-OW8) I:3.7...
  • Page 75: 1756-Dnb Application Example

    DeviceNet Cable 1769- 1769- 1769-PB2 1769- 1769- 1769- 1769- 1769- 1769- 1769- IA16 IA16 IQ6X IQ6X IQ16 OV16 1769-CRL 1769- 1769- 1769- 1769- 1769- 1769- 1769-PA2 IQ16 OB16 IQ16 OV16 1769-ECR 42322A Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 76: Configuring The Logix5550Tm Controller System

    5-12 Application Examples Configuring the Logix5550 Controller System Configure your Logix5550 system by selecting the 1756-DNB module under I/O configuration in RSLogix 5000 programming software. For more information on configuring your controller or writing the controller program, refer to your ControlLogix documentation. The following sections will guide you through configuring your 1756-DNB module to produce output data to the 1769-ADN and consume input data from the 1769-ADN.
  • Page 77 Note that this example has the 1756-DNB at node address 01, the 1769-ADN at node address 30, and the 1784-PCD at node address 62. These node address assignments are arbitrary and each device could be assigned any unique address from 00 to 63. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 78 5-14 Application Examples To begin configuring your DeviceNet network, you’ll configure the Compact I/O system. Double-click on the 1769-ADN icon. You’ll see this screen. Choose the I/O Bank 1 Configuration tab. Choose Yes when asked if you want to upload. You’ll see this screen. The I/O Module Mismatch screen indicates that configuration has not yet been downloaded to the 1769-ADN.
  • Page 79 The input word contains an echo of the output data. You could disable this echo to save input image, but for this example we will leave the echo enabled. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 80: Configuring The 1756-Dnb

    5-16 Application Examples Choose the Summary tab for the 1769-ADN DeviceNet adapter. You’ll see this screen. This is a summary of your 1769 system. Note the Total Input and Output Words and Bytes as you’ll need this information when configuring the 1756-DNB scanner. Choose Apply.
  • Page 81 Choose the Every Scan poll rate. Refer to the 1756-DNB documentation for a complete description of Every Scan and Background Poll Rates. Allen-Bradley Parts Refer to Appendix C for some important system characteristics when using the polled mode (minimum inter-scan delay I.D. for polled connections).
  • Page 82 5-18 Application Examples Choose OK to accept the Polled configuration. You’ll now see the 1756-DNB Scanner Module screen. Choose the Input tab and you’ll see this screen. From this screen, you can map the input data received from the 1769-ADN into the input tag of the Logix5550 controller or 1:I.Data.0 through 1:I.Data.12 (these are DINTs, so the total number of 16-bit words is 26 or 52 bytes).
  • Page 83: Accessing The I/O Data From The 1769-Adn In The Logix5550

    Use the Controller Tags screen in the programming software to experiment with viewing inputs and manipulating outputs, until you are comfortable enough with the I/O mapping to write your Logix 5550 controller program. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 84 5-20 Application Examples Slot 1 Input Tag Map 1:I.Data0L 1769-ADN Status Word 0 1:I.Data.0H 1769-ADN Status Word 1 1:I.Data.1L Slot 1 Input Card, Input Data (1769-IA16) 1:I.Data.1H Slot 2 Output Card, Output Echo Data (1769-OW8) 1:I.Data.2L Slot 3 Input Card, Input Data (1769-IA16) 1:I.Data.2H Slot 4 Output Card, Output Echo Data (1769-OW8) 1:I.Data.3L...
  • Page 85 This COP Instruction example also accomplishes the same purpose for the output data. The integer tag name is Output_Buffer and the length for this example is 5 DINTS, where the High word of DINT 1:O.Data.4 is not used. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 86 5-22 Application Examples Notes: Publication 1769-UM001A-US-P - May 2000...
  • Page 87: 1769-Adn Specifications

    • Conducted Immunity 10V, 0.15 to 80 MHz (IEC1000-4-6) 1. Conducted immunity frequency range may be 150 kHz to 30 MHz if the Radiated Immunity frequency range is 30 MHz to 1000 MHz. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 88: Input/Output Specifications

    Diagnostic status- red/grn DeviceNet Power 24V dc (+4%) @ 90mA maximum, N.E.C. Class 2 Requirements Allen-Bradley part no. 1485C-P1-Cxxx. Refer to DeviceNet Cable publication DN-2.5 for more information. Power Supply Distance Rating (The adapter may not be more than 4 modules away from the power supply.)
  • Page 89: 1756-Dnb Explicit Messaging Application Example

    1769-ADN or 1769 I/O module from a Logix5550 controller via a 1756-DNB DeviceNet scanner. You’ll see in the ladder logic example to follow, a CIP Generic message is sent to the 1756-DNB scanner and Allen-Bradley Parts ultimately to the 1769-ADN. Publication 1769-UM001A-US-P - May 2000...
  • Page 90 Explicit Messaging Application Examples Use a “Single Parameter Read” MSG instruction for the Get 1769-ADN Status message, where one word of status information is read from the 1769-ADN. The user program consists of a single rung containing a MSG instruction to accomplish the Get 1769-ADN Status. The following correlates the CIP Generic message terminology with DeviceNet command terminology and illustrates the values needed specifically for the Get 1769-ADN Status message:...
  • Page 91 When true, indicates the device has experienced a Major Unrecoverable Fault 12-15 Reserved, set to 0 Refer to the Troubleshooting information in Chapter 4 for additional information on Recoverable and Unrecoverable, Major and Minor faults. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 92: Get 1769 I/O Module Status

    Explicit Messaging Application Examples Get 1769 I/O Module Status Use a “CIP Generic” MSG instruction to send the Get 1769 I/O Module Status explicit message from a Logix5550 controller via a 1756-DNB scanner on DeviceNet. You’ll see in the ladder logic example to follow, a CIP Generic message is sent to the 1756-DNB scanner and ultimately to the 1769-ADN and the 1769 I/O module in slot 10.
  • Page 93 You only need to enter the path on this screen. “DNET” refers to the module on the 1756 backplane to which the message is sent. “2” is the DeviceNet port on the 1756-DNB. “19” is the DeviceNet address of the 1769-ADN. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 94: Get 1769 I/O Module Configuration Size

    Explicit Messaging Application Examples The status word written to the tag specified in the destination field of the MSG instruction is defined as follows: Description 0 = No module error detected 1 = Module detected error present 0 = Communication on bus OK 1 = Communication Fault on bus 0 = Module is not configured 1 = Module is configured...
  • Page 95 This MSG instruction logic is specifically for the Get 1769 I/O Module Configuration Size message. Assume the 1756-DNB scanner is in slot 1 and the Logix5550 controller is in slot 0. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 96: Set 1769 I/O Module Configuration

    Explicit Messaging Application Examples The following screen is the Communications tab for the MSG instruction above. The reply to this message, when successful, will be one word of data containing the word length of the configuration file for the 1769 I/O module to which the message was sent.
  • Page 97 MSG instruction will set the error bit and display an Error Code of 0009 hexadecimal with an Extended Error Code of 00ff hexadecimal. The error description is “Parameter error in module configuration”. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 98 B-10 Explicit Messaging Application Examples The following ladder logic program is an example of the MSG logic needed to initiate an explicit message to the scanner/adapter. This MSG instruction logic is specifically for the Set 1769 I/O Module Configuration message. Assume the 1756-DNB scanner is in slot 1 and the Logix5550 controller is in slot 0.
  • Page 99: Save 1769 I/O Module Configuration

    Class specifies the desired DeviceNet class. “f” hexadecimal is the class code for the object responsible for saving configuration, the parameter object. Instance for the save command is 00. There is no Object Attribute for the Save 1769 I/O Module Configuration message. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 100 B-12 Explicit Messaging Application Examples The following ladder logic program is an example of the MSG logic needed to initiate an explicit message to the scanner/adapter. This MSG instruction logic is specifically for the Save 1769 I/O Module Configuration message. Assume the 1756-DNB scanner is in slot 1 and the Logix5550 controller is in slot 0.
  • Page 101: Get 1769 I/O Module Configuration

    Instance represents the slot number of the I/O module from which we want the configuration data. “10” decimal in this example is the analog output module in slot 10. Attribute identifies the specific characteristics of the object towards which the transaction is directed. “1a” hexadecimal means configuration data. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 102 B-14 Explicit Messaging Application Examples The following ladder logic program is an example of the MSG logic needed to initiate an explicit message to the scanner/adapter. This MSG instruction logic is specifically for the Get 1769 I/O Module Configuration message. Assume the 1756-DNB scanner is in slot 1 and the Logix5550 controller is in slot 0.
  • Page 103: 1747-Sdn Explicit Messaging Application Example

    (I:s/15, where s is the slot number of the 1747-SDN). When this bit is set, the user program COPies the reply from the scanner’s M1 file. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 104 B-16 Explicit Messaging Application Examples Following each command reply, the user program must MOVe a command value of 4 hexadecimal to the appropriate M0 file word to clear the previous reply from its buffer, making it ready for the next command.
  • Page 105 Assume the 1747-SDN scanner is in slot 3 of the processor chassis. Data Table File N11 (Shown in Hexadecimal Radix) Offset N11:0 N11:10 0 N11:20 0 N11:30 0 N11:40 4 N11:50 101 8E13 Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 106: Get 1769 I/O Module Status

    B-18 Explicit Messaging Application Examples The actual status word in the reply, i.e., the fourth word of the reply, is defined as follows: Description When true, indicates the device has an owner Reserved, set to 0 When true, indicates the application of the devices has been configured beyond out-of-the-box defaults Reserved, set to 0 Vendor specific...
  • Page 107 10 or “000A” hexadecimal. Attribute identifies the specific characteristic of the object towards which the transaction is directed. “000C” means Module Status. The attribute data size is one word. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 108 B-20 Explicit Messaging Application Examples The following ladder logic program is an example of the logic needed to initiate an explicit message to the scanner/adapter/1769 I/O module and how to obtain the reply. This logic is specifically for the Get 1769 I/O Module Status command. Assume the 1747-SDN scanner is in slot 3 of the processor chassis and the 1769-OF2 module that we are reading status from is in slot 10 of the 1769-ADN remote system.
  • Page 109: Get 1769 I/O Module Configuration Size

    Refer to the Ladder Logic Example Program on page B-31 for the necessary logic for this command. We’ll use a 1769-OF2 analog output module to get/set configuration parameters dynamically for this example. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 110: Set 1769 I/O Module Configuration

    B-22 Explicit Messaging Application Examples The first task is to determine the size of the configuration file for the 1769 I/O module. The following command will read the number of configuration words (not bytes) from the 1769-OF2 in slot 10 of the remote DeviceNet system by sending the following command: Command (Hexadecimal) Description (High Byte/Low Byte)
  • Page 111 Seventh word of the 1769-OF2 configuration file 0000 Eighth word of the 1769-OF2 configuration file Successful Reply (Hexadecimal) Description (High Byte/Low Byte) 0101 TXID /Command 0000 Port # /Byte Count 9013 Service /Mac ID Continued on next page. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 112 B-24 Explicit Messaging Application Examples Error Reply (Hexadecimal) Description (High Byte/Low Byte) 0101 TXID /Command 0002 Port # /Byte Count 9413 Service /Mac ID xxxx Bad Status for the Configuration Command TXID (Transmission ID) is used by the scanner to track the transaction to completion and returns the same value with the reply.
  • Page 113 Not enough data - The service did not supply enough data to perform the specified operation. Attribute not supported - The attribute specified in the request is not supported. Allen-Bradley Parts Too much data - The service supplied more data than was expected. Publication 1769-UM001A-US-P - May 2000...
  • Page 114 B-26 Explicit Messaging Application Examples Error Code Description of Error (Hexadecimal) Object does not exist - The object specified does not exist in the device. Reserved by DeviceNet No stored attribute data - The attribute data of this object was not saved prior to the requested service.
  • Page 115: Save 1769 I/O Module Configuration

    I/O module in question. This also indicates that the new configuration parameters sent to the I/O module with the explicit message would be lost. Refer to the Ladder Logic Example Program on page B-31 for this command’s ladder logic. Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 116: Get 1769 I/O Module Configuration

    B-28 Explicit Messaging Application Examples The following table illustrates the Save 1769 I/O Module Configuration command and the command reply: Command (Hexadecimal) Description (High Byte/Low Byte) 0101 TXID /Command 0004 Port # /Byte Count 1613 Service /Mac ID 000F Class 0000 Instance Reply (Hexadecimal)
  • Page 117 Second word of the 1769-OF2 configuration file 1862 Third word of the 1769-OF2 configuration file 1862 Fourth word of the 1769-OF2 configuration file 1862 Fifth word of the 1769-OF2 configuration file 1862 Sixth word of the 1769-OF2 configuration file Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 118 B-30 Explicit Messaging Application Examples Command (Hexadecimal) Description (High Byte/Low Byte) 0000 Seventh word of the 1769-OF2 configuration file 0000 Eighth word of the 1769-OF2 configuration file TXID (Transmission ID) is used by the scanner to track the transaction to completion and returns the same value with the reply.
  • Page 119: Ladder Logic Example Program

    The following program includes these commands: • Get 1769 I/O Module Configuration Size • Set 1769 I/O Module Configuration • Save 1769 I/O Module Configuration • Get 1769 I/O Module Configuration Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 120: Discrete Module Configuration Files

    B-32 Explicit Messaging Application Examples Data Table File N11 (Shown in Hexadecimal Radix) Offset N11:0 N11:10 101 1013 8304 8304 1862 1862 N11:20 1862 1862 N11:30 101 N11:40 4 1613 N11:50 101 8E13 Discrete Module The following configuration information applies to these modules: Configuration Files •...
  • Page 121: About The Throughput Characteristics

    • the input module’s filter time • time for the 1769-ADN to collect the (new) values from the input modules • time for the 1769-ADN to transmit the complete input-update on the network Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 122: Minimum Inter-Scan Delay (Isd) For Polled Connections

    1769-ADN Throughput Characteristics Note: The following equations represent the 1769-ADN turn-around time using a discrete input (1769-IQ16) and output (1769-OV16) pair wired in a loop-back fashion. For this configuration, the settling/filter time of the two modules is 8.6ms on average .
  • Page 123 What is not in the right order? Other Comments Use back for more comments. Your Name Location/Phone Return to: Marketing Communications, Allen-Bradley., 1 Allen-Bradley Drive, Mayfield Hts., OH 44124-6118Phone:(440) 646-3176 FAX:(440) 646-4320 Allen-Bradley Parts Publication ICCG-5.21- August 1995 PN 955107-82...
  • Page 124 PLEASE FASTEN HERE (DO NOT STAPLE) Other Comments PLEASE FOLD HERE NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY MAIL FIRST-CLASS MAIL PERMIT NO. 18235 CLEVELAND OH POSTAGE WILL BE PAID BY THE ADDRESSEE 1 ALLEN-BRADLEY DR MAYFIELD HEIGHTS OH 44124-9705...
  • Page 125 3-20 Apply 3-10 discrete output modules Assembly 3-19 end cap system example Auditing 3-19 power supplies 3-19 configuration rules system offline Configuring SLC system 1747-SDN Banks of I/O application example 5-1 Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 126 Index 2-15 Defaults Hardware setup DeviceNet wiring 1747-SDN Diagnostic indicators application example 5-1 DIN rail mounting 3-21 Disable keying Discrete input modules I/O banks configuring I/O structure Discrete output modules Image table 3-10 configuring mapping data Documentation 1769-IA16 2-5 related 1769-IA8I 2-5 3-22 Download configurations...
  • Page 127 A-1 input/output A-2 Network Strobe data adding adapter Structure Switches setting network address 3-20 System 3-20 Online features assembly replacing adapter 3-21 Upload configurations Wiring DeviceNet field connections Word input status Allen-Bradley Parts Publication 1769-UM001A-US-P - May 2000...
  • Page 128 Index Notes: Publication 1769-UM001A-US-P - May 2000...
  • Page 129 Allen-Bradley Parts...
  • Page 130 Back Cover Publication 1769-UM001A-US-P - May 2000 PN 955138-67 © 2000 Rockwell International Corporation. Printed in the U.S.A.

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