1756-IN566B-EN-P
Contents
1. module command register This 32 bit register consists of 1 x 32 bit register several bits that affect the module s behavior on the network output_data 123 x 32 bit data array Publication 1756 IN566B EN P April 2001 22 ControlLogix DeviceNet Scanner Module Module Command Register Bit Definitions The bits of the Module Command Register are defined as follows Bit Name Description 0 Run run mode 0 idle mode 1 Fault fault network 2 DisableNetwork disable network 3 HaltScanner halt module the DNB module ceases all operation 4 Reset reset module put back to 0 to resume operation 5 31 Reserved unused IMPORTANT It the module is halted because the HaltScanner bit is set power must be physically recycled to restart the module Input Structure The controller receives input I O by reading input data from an input structure in the 1756 DNB module The scanner module receives input data from DeviceNet modules and delivers a copy of these values to the controller The input structure consists of one 32 bit status register and a variable size 32 bit array of up to 124 words for input data The 32 bit status register reflects the current state of several key module level operational parameters The input structure consists of these data elements Input Structure Element Data Type module status register 1 x 32 bit register input_data 123 x 32 bit vari2. Tel 1 414 382 2000 Fax 1 414 382 4444 Tel European Headquarters SA NV avenue Hermann Debroux 46 1160 Brussels Belgium Tel 32 2 663 06 00 Fax 32 2 663 06 40 Rockwell Asia Pacific Headquarters 27 F Citicorp Centre 18 Whitfield Road Causeway Bay Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Automation Publication 1756 IN566B EN P April 2001 PN 957536 69 Supersedes Publication 1756 5 66 May 1998 2001 Rockwell International Corporation Printed in USA
3. lowest T number may be used to help determine the overall temperature code of the system Combinations of equipment in your system are subject to investigation by the local Authority Having Jurisdiction at the time of installation warwine EXPLOSION HAZARD Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous e Do not disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous Secure any external connections that mate to this equipment by using screws sliding latches threaded connectors or other means provided with this product e Substitution of components may impair suitability for Class I Division 2 e If this product contains batteries they must only be changed in an area known to be nonhazardous Publication 1756 IN566B EN P April 2001 26 ControlLogix DeviceNet Scanner Module Informations sur l utilisation de cet quipement en environnements dangereux Les produits marqu s CL I DIV 2 GP A B C D ne conviennent qu a une utilisation en environnements de Classe I Division 2 Groupes A B C D dangereux et non dangereux Chaque produit est livr avec des marquages sur sa plaque d identification qui indiquent le code de temp rature pour les environnements dangereux Lorsque plusieurs produits sont combin s dans un syst me le code de temp rature le plus d favorable code de temp r
4. to 85 C 40 to 185 F 5 95 without condensation Shock Unpackaged 30g operational 50g non operational Vibration Unpackaged 5g from 10 150Hz Conductors Category an Agency Certification when product is marked Listed Industrial Control Equipment Qu E ce Certified Process control Equipment Certified Class Division 2 Group A B C D Approved class Division 2 Group A B C D Marked for all applicable directives Marked for all applicable acts N223 TT Refer to the Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Publication 1756 IN566B EN P April 2001 ControlLogix is a trademark of Rockwell Automation DeviceNet is a trademark of Open DeviceNet Vendors Association ODVA RSLogix 5000 and RSNetWorx for DeviceNet are trademarks of Rockwell Software Inc Reach us now at www rockwellautomation com Wherever you need us Rockwell Automation brings together leading brands in industrial automation including Allen Bradley controls Reliance Electric power transmission products Dodge mechanical power transmission components and Rockwell Software Rockwell Automation s unique flexible approach to helping customers achieve a competitive advantage is supported by thousands of authorized partners distributors and system integrators around the world Allen Bradley AEG node Americas Headquarters 1201 South Second Street Milwaukee WI 53204 USA
5. EN P April 2001 ControlLogix DeviceNet Scanner Module 13 Connect the Module to the DeviceNet Network Attach the connector to the module s DeviceNet port as shown below Tighten the screws on the connector as needed DeviceNet Port Connector Og 10 position nu rs linear plug DeviceNet Drop Line or Trunk Connector Apply Chassis Power Power supply indicator is green when power supply is working correctly Check the Module Alphanumeric Display on Power up Check the module alphanumeric display to determine if the module is operating When you apply chassis power the alphanumeric display cycles through the following information Publication 1756 IN566B EN P April 2001 14 ControlLogix DeviceNet Scanner Module 1 Firmware major revision 01 through 128 a 2 Firmware minor revision 01 through 255 3 Optional Firmware Build Number 4 Baud rate 125 250 or 500 5 MAC ID 00 to 63 Alphanumeric Display ET oOo Ey MOD NET 1 0 OK Manual Configuration Pushbutton 1756 DNB module is also equipped with a manual pushbutton for setting baud rate and MAC ID as described in the following section TIP You can use RSNetWorx for DeviceNet software to RE set the baud rate and MAC ID of your module The Using the Manual Configuration Pushbutton The 1756 DNB scanner module has a dual function pushbutton e Without a network connection it displays baud rates allowing you to select the rate fo
6. this means the device has one or more established connections flashing device operational The device is operating in a normal condition and is green AND online and not online with no connections established connected e The device has passed the Dup_MAC_ID test or is online but has no established connections device online and to other nodes device needs e Fora Group 2 only device this means that the commissioning device is not allocated to a master e Fora UCMM capable device this means that the device has no established connections e Configuration missing incomplete or incorrect flashing minor fault and or Recoverable fault and or one or more 1 0 red connection time out connections are in the timed out state red critical fault or critical Device has an unrecoverable fault and may need to link failure be replaced Failed communication device The device has detected an error duplicate MAC ID or bus off that has rendered it incapable of communicating on the network TI The flash ra e of the LED is approximately 1 flash per second The LED should be on for approximately 0 5 seconds and off for approximately 0 5 seconds Publication 1756 IN566B EN P April 2001 20 ControlLogix DeviceNet Scanner Module 1 0 Status Indicator This bi color green red LED indicates the status of the 1756 DNB s T O scanning state The I O Status LED informs you whether this device has outputs under control and w
7. to personal injury or death property damage or economic loss Warning and Attention statements help you to e identify a hazard e avoid a hazard e recognize the consequences We use the following note to call attention to critical information IMPORTANT Identifies information that is critical for successful application and understanding of the product Change bars are used to indicate information that has changed or been added since the previous version of these instructions Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 3 European Communities EC Directive Compliance If this product has the CE mark it is approved for installation within the European Union and EEA regions It has been designed and tested to meet the following directives EMC Directive This product is tested to meet the Council Directive 89 336 EC Electromagnetic Compatibility EMC by applying the following standards in whole or in part documented in a technical construction file e EN 50081 2 EMC Generic Emission Standard Part 2 Industrial Environment e EN 50082 2 EMC Generic Immunity Standard Part 2 Industrial Environment This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage by applying the safety requirements of EN 61131 2 Programmable Controllers Part 2 Equi
8. 66B EN P April 2001 ControlLogix DeviceNet Scanner Module 11 Remove or Replace the Module IMPORTANT If you are replacing an existing 1756 DNB module with another 1756 DNB module and you want to resume identical system operation you must install the new module in the same slot m _ o q ES Ben Ben HS NES NS fm er Ve er Cre ENI ANS Slide the module out of the chassis Publication 1756 IN566B EN P April 2001 12 ControlLogix DeviceNet Scanner Module Wire the DeviceNet Connector Use an open style 5 or 10 position linear plug to connect to the DeviceNet network An open style 10 position linear plug is provided with your module IMPORTANT For detailed DeviceNet connection information see the DeviceNet Cable System Planning and Installation Manual publication DN 6 7 2 Also see the Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Wire the connector according to the following illustrations Color chips dots nO OI ol Red dot o o White dot lo o lo TI HI Blue dot lol o Black dot lo U O 0 position plug 5 position plug Module label shows wiring color scheme 10 position Red linear plug DeviceNet drop line or trunk cable 20479 M 20474 Publication 1756 IN566B
9. Installation Instructions ControlLogix DeviceNet Scanner Module Catalog Number 1756 DNB Use this manual as a guide to install the ControlLogix DeviceNet Scanner Module The following table identifies what this manual contains and where to find specific information Topic See Page European Communities EC Directive Compliance 3 Preventing Electrostatic Discharge Understand the Module s Software Features Identify Module Components Prepare to Install the Module Installing or Removing the Module Under Power Determine Module Slot Location Install the Module oS oO SN om ol gt Remove or Replace the Module Wire the DeviceNet Connector Connect the Module to the DeviceNet Network o OD A Ww cw N Apply Chassis Power Using the Manual Configuration Pushbutton Interpreting the Alphanumeric Display Interpreting the LED Status Indicators ControlLogix Controller Interface 21 Hazardous Location Information 25 Specifications 27 Publication 1756 IN566B EN P April 2001 2 ControlLogix DeviceNet Scanner Module Throughout this manual we use the following notes to make you aware of safety considerations Identifies information about practices or circumstances that have the potential to create an explosion hazard Identifies information about other practices or ATTENTION io circumstances that can lead
10. able size data array Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 23 Module Status Register Bit Definitions I The bits of the Module Status Register are defined as follows Bit Name Description 0 Run in run mode 0 in idle mode 1 Fault network is faulted 2 DisableNetwork network is disabled 3 DeviceFailure device failure exists examine the status structure for causes 4 AutoverifyFailure at least one device has failed to be initialized by the scanner 5 CommFailure 1 communication failure exists 6 DupNodeFail failure due to duplicate node address 7 DnetPowerDetect 1 DeviceNet power failure 8 31 Reserved unused Status Structure The controller receives status information concerning the 1756 DNB module s ability to exchange DeviceNet messages with other nodes by reading from the status structure in the 1756 DNB module The scanner module periodically updates the contents of the status structure and copies its contents to the controller The status structure consists of several tables The bit position of each of the 64 bits that make up a given status table directly corresponds to the node address of a device Publication 1756 IN566B EN P April 2001 24 ControlLogix DeviceNet Scanner Module The status structure consists of these data elements Status Str
11. ature le plus faible peut tre utilis pour d terminer le code de temp rature global du systeme Les combinaisons d quipements dans le systeme sont sujettes inspection par les autorit s locales qualifi es au moment de l installation RISQUE D EXPLOSION e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher l quipement e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher les connecteurs Fixer tous les connecteurs externes reli s cet quipement l aide de vis loquets coulissants connecteurs filet s ou autres moyens fournis avec ce produit e La substitution de composants peut rendre cet quipement inadapt une utilisation en environnement de Classe 1 Division 2 e S assurer que l environnement est class non dangereux avant de changer les piles Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 27 Specifications Parameter Specification Module Location any slot in the ControlLogix chassis Maximum Backplane Current Load 600mA 5 0V dc and 3mA 24V de from ControlLogix chassis backplane Maximum DeviceNet Current Load 90mA maximum 11 25V de 30mA typical 11 25V de Power Dissipation 5 3W maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity 0 to 60 C 32 to 140 F 40
12. conductors if you touch backplane connector pins Follow these guidelines when you handle the module e Touch a grounded object to discharge static potential e Wear an approved wrist strap grounding device e Do not touch the backplane connector or connector pins Do not touch circuit components inside the module e If available use a static safe work station e When not in use keep the module in its static shield bag Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 5 Understand the Module s Software Features The 1756 DNB module has the software features described in the following sections You activate these features by using RSNetWorx for DeviceNet software catalog no 9357 DNETL3 For more information refer to the appropriate RSNetWorx for DeviceNet documentation and to the 1756 DNB Scanner User Manual publication 1756 UM515C EN P Slave Mode The slave mode feature allows processor to processor communication It does this by allowing the scanner to perform as a slave device to another master on the network Like other slaves the scanner module exchanges data with only one master when it is in slave mode You control what information is exchanged through the scan list configuration and associated mapping functions of RSNetWorx for DeviceNet software The 1756 DNB can function in the following modes Scanner is in this mode when it Nul
13. ed communication Reconfigure your module check Disabled port odule Command Register No No network power detected on Provide network power Make sure Network communication port hat scanner drop cable is providing Power network power to scanner communication port NoRX No scan list is active in the module or Enter a scan list Check DeviceNet no messages have been received by connection on front of module the scanner NoTX No direct network traffic for scanner None The scanner hears other detected network communication Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 19 Interpreting the LED Status Indicators The three LED status indicators on the module provide information about your network and its connections The following tables outline the indicator condition and the corresponding status and explain what each condition means Module Network MOD NET Status Indicator This bi color green red LED provides device and communication status as follows Condition Status Indicates off not powered Device is not online not online e The device has not completed the Dup_MAC_ID test yet e The device may not be powered green device operational Device is operating in a normal condition and is AND online and online with connections established connected e Fora group 2 Only device this means the device is allocated to a Master e Fora UCMM capable device
14. hether any outputs or inputs are active outputs active inputs producing etc or faulted The LED reflects the mod state of the inputs and outputs not necessarily the on off condition of the I O points themselves Condition Indicates off Scanner is not online Check network power green Scanner is in RUN mode outputs are under control and inputs are being consumed flashing Scanner is in IDLE mode outputs are not under green control and inputs are being consumed The flash rate of the LED is approximately 1 flash per second The LED should be on for approximately 0 5 seconds and off for approximately 0 5 seconds Health OK Status Indicator This bi color green red LED indicates whether the device has power and is operating properly Condition Status Indicates off no power No power applied to device Apply chassis power Verify module is completely inserted into chassis and backplane green device operational Device is operating normally The DNB has at least one connection to it from a controller flashing device in standby The device is operating correctly however no green controller is controlling it Verify that the DNB module is properly configured in the controller s 1 0 configuration red unrecoverable fault Device has an unrecoverable fault repair or replace or it or device self testing Device is in self test during power up TI The flash rate of the LED is ap
15. hown below Power Supply 1756 A4 Chassis Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 9 For information on installing these products refer to the publications listed in the following table Chassis Chassis Power Power Supply Type Installation Supply Installation Series B 1756 A4 A7 A10 A13 Pub No 1756 PA72 B Pub No 1756 IN080 1756 5 67 1756 PB72 B 1756 PA75 A Pub No 1756 5 78 1756 PB75 A Determine Module Slot Location This figure shows chassis slot numbering in a 4 slot chassis Slot 0 is ocated to the right of the power supply You can use any size ControlLogix chassis and install the module in the first slot and is always any slot You can also install multiple 1756 DNB modules in the same chassis You can install as many modules as your power supply can accommodate i e number for which the power supply is rated Slot 0 Power Supply Slot 1 Slot 2 Slot 3 Chassis Publication 1756 IN566B EN P April 2001 10 ControlLogix DeviceNet Scanner Module Install the Module Align the circuit board with top and bottom guides in the chassis Circuit board Slide the module into the chassis Make sure the module properly connects to the chassis backplane The module is fully installed when it is flush with the power supply or other installed modules Publication 1756 IN5
16. l contains an empty or disabled scan list out of box default Master serves as a master to one or more slaves but is not simultaneously serving as a slave to another master Slave serves as a slave to another master Dual serves as both a master to one or more slaves and as a slave to another master simultaneously Change of State The scanner module can send and receive data on a change of state basis with slave devices that also have this feature Data is sent e whenever a data change occurs or e at a user configurable heartbeat rate Publication 1756 IN566B EN P April 2001 6 ControlLogix DeviceNet Scanner Module Change of state increases system performance by reducing network traffic since data is only sent on an as needed basis Use RSNetWorx for DeviceNet software to activate this feature Cyclic 1 0 The scanner module can send and receive data on a cyclic basis with slave devices that also have this feature Cyclic I O increases system performance by reducing network traffic since data is only sent at a user configurable rate Use RSNetWorx for DeviceNet software to activate this feature Identify Module Components Use the following figure to identify the external components of the module Backplane Product Connector Label Health and Status Indicators DeviceNetru Door Front Panel Label J noo MODE vO OK 1 Wiring Color Code
17. ode The display toggles through th corrected A 01 N 33 E 72 ese elements until the error is The following table summarizes the codes Alphanumeric Status Codes Code Description Recommended Action 70 Scanner failed Duplicate Node Change the scanner address to Address check another available one The node address you selected is already in use on that network 71 Illegal data in scan list table node Reconfigure the scan list table and number alternately flashes remove any illegal data 72 Slave device stopped communicating Inspect the slave devices and verify node number alternately flashes connections 73 Device identity information does not Verify that the correct device is at this match electronic key in scan list table node number Make sure the device at entry node number alternately the scrolling node address matches flashes the desired electronic key vendor product code product type etc Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 17 Alphanumeric Status Codes Code Description Recommended Action 74 Data overrun on port detected Modify your configuration and check for invalid data Check network communication traffic 75 No traffic detected on the network Check the network configuration 76 No direct network traffic for scanner None The scanner hears other detec
18. pment Requirements and Tests For specific information required by EN 61131 2 see the appropriate sections in this publication as well as the following Allen Bradley publications e Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 e Automation Systems Catalog publication B113 Open style devices must be provided with environmental and safety protection by proper mounting in enclosures designed for specific application conditions See NEMA Standards publication 250 and IEC publication 529 as applicable for explanations of the degrees of protection provided by different types of enclosure Publication 1756 IN566B EN P April 2001 4 ControlLogix DeviceNet Scanner Module Enclosure and Environmental Requirements Specific To This Product This product must be mounted within a suitable system enclosure to prevent personal injury resulting from accessibility to live parts The interior of this enclosure must be accessible only by the use of a tool This industrial control equipment is intended to operate in a Pollution Degree 2 environment in overvoltage category II applications as defined in IEC publication 664A at altitudes up to 2000 meters without derating Preventing Electrostatic Discharge The DeviceNet scanner module is sensitive to electrostatic discharge This module is sensitive to electrostatic discharge ATTENTION 5 Electrostatic discharge can damage integrated circuits or semi
19. proximately 1 flash per second The LED should be on for approximately 0 5 seconds and off for approximately 0 5 seconds Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 21 ControlLogix Controller Interface The 1756 DNB module supports several different size input output and status structures over the ControlLogix backplane These I O structures were created to reduce the complexity of connecting DeviceNet I O and status data with ladder programs The module creates all 3 structures whether or not DeviceNet nodes are configured or online The RSLogix 5000 software directs the controller to connect to these predefined default I O structures The controller automatically performs periodic updates of the structures on a cyclic basis The RSNetWorx for DeviceNet software configures scanlist map segments that are used to copy specific portions of I O data between the I O structures and DeviceNet network packets IMPORTANT The 1756 DNB scanner supports ControlLogix connections with only one controller at a time Output Structure The controller controls output I O by writing output data to an output structure in the 1756 DNB module The scanner module then delivers a copy of these output values to modules on DeviceNet The output structure consists of a 32 bit command register and a variable size 32 bit array of up to 123 words for output data Output Structure Element Description Data Type
20. r your module e With a network connection it displays the MAC ID or network node address allowing you to select the node address for your module If your module is not connected to the network 1 Select the network baud rate by pushing and holding the pushbutton Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 15 The module s alphanumeric display cycles through the allowable baud rates 125k 250k 500k 2 Release the button when the baud rate you want to select is shown on the display If your module is connected to the network 1 Select the network node address by pushing in and holding the pushbutton The display starts at the current MAC ID and cycles through all legitimate the network node addresses 00 63 2 Release the button when the address number shown on the display is the number you want to select Publication 1756 IN566B EN P April 2001 16 ControlLogix DeviceNet Scanner Module Interpreting the Alphanumeric Display Your 1756 DNB scanner module displays alphanumeric codes that provide diagnostic information about your module The alphanumeric display flashes the codes at approximately 1 second intervals What is Displayed As an example the display for RUN toggles between the network address and the mode A 01 RUN If there is a problem the display shows the network address followed by the MAC ID of the problem node followed by the error c
21. s DeviceNet Connector Ka E il Side View Front View Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 7 Prepare to Install the Module Before you install the module make sure that you have these components 1756 DNB module 1756 A4 1756 A7 or 1756 A10 chassis 1756 PA72 75 or 1756 PB72 75 power supply M DeviceNet open style or small screwdriver 10 position connector a DeviceNet truck or drop cable Publication 1756 IN566B EN P April 2001 8 ControlLogix DeviceNet Scanner Module Installing or Removing the Module Under Power This module is designed to be installed or removed while chassis power is applied When you insert or remove a module while backplane power is on an electrical arc may occur An electrical arc can cause personal injury or property damage by e sending an erroneous signal to your system s field device causing unintended machine motion or loss of process control e causing an explosion in a hazardous environment Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connector Worn contacts may create electrical resistance that can affect module operation Prepare the Chassis for Module Installation Before you install the module you must install and connect a ControlLogix chassis and power supply A 4 slot chassis with a power supply is s
22. t at runtime length data Try replacing slave device 86 Device is producing zero length data Check device configuration and slave idle state while scanner is in Run node status Mode 90 User has disabled communication port Check Module Command Register for DISABLE bit set Publication 1756 IN566B EN P April 2001 18 ControlLogix DeviceNet Scanner Module Alphanumeric Status Codes Code Description Recommended Action 91 Bus off condition detected on comm Check DeviceNet connections and port Scanner is detecting physical media integrity Check system communication errors for failed slave devices or other possible sources of network interference 92 No network power detected on Provide network power Make sure communication port that module drop cable is providing network power to module comm port 95 Application FLASH update in progress None Do not disconnect the module while application FLASH is in progress You will lose any existing data in the scanner s memory l 97 Scanner halted by user command Check Module Command Register for HALT bit set I 98 General firmware error Replace module A 00 Normal operation The numeric Do nothing to display matches the scanner s node A 63 address on the DeviceNet network IDLE Scanner is in IDLE mode Put controller in RUN mode Enable RUN bit in Module Command Register Network User has disabl
23. ted network communication but none directed to itself 77 Data size expected by the device does Reconfigure your module for the not match scan list entry node correct transmit and receive data number alternately flashes sizes 78 Slave device in scan list table does Add the device to the network or not exist node number alternately delete the scan list entry for that flashes device 79 Scanner has failed to transmit a ake sure that your module is message connected to a valid network Check for disconnected cables 80 Scanner is in IDLE mode Put controller in RUN mode Enable RUN bit in Module Command Register 81 Scanner is in FAULT mode Check Module Command Register for FAULT bit set 82 Error detected in sequence of Check scan list table entry for slave fragmented 1 0 messages from device device to make sure that input and node number alternately flashes output data lengths are correct Check slave device configuration 83 Slave device is returning error Check accuracy of scan list table entry responses when scanner attempts to Check slave device configuration communicate with it node number Slave device may be in another alternately flashes master s scan list Reboot slave device 84 Scanner is initializing the DeviceNet None This code clears itself once network scanner attempts to initialize all slave devices on the network 85 Data size was incorrect for this device Slave device is transmitting incorrec
24. ucture Description Data Type DINTS Element ScanCounter counter incremented each 1 0 scan 32 bit 10 DeviceFailureRegister device failed bit table 1 failed 64 bit AutoverifyFailureRegister device 1 0 size does not match 64 bit scanners internal table 1 mismatch DeviceldleRegister device is idle bit table 1 idle 64 bit ActiveNodeRegister node online bit table 1 online 64 bit StatusDisplay ASCII representation of DNB 4 byte alphanumeric display ScannerDeviceStatus Scanner device status 4 byte binary 11 ScannerAddress DeviceNet address of DNB module 8 bit binary ScannerStatus status of 1756 DNB module 8 bit binary ScrollingDeviceAddress scrolls through DeviceNet nodes once 8 bit binary ScrollingDeviceStatus Toe and status 8 bit binary ReservedArray future expansion 20 bytes 20 x 8 bit 16 DeviceStatus DeviceNet node status array 64 x 8 bit 24 32 byte per device Publication 1756 IN566B EN P April 2001 ControlLogix DeviceNet Scanner Module 25 Hazardous Location Information The following information applies when operating this equipment in hazardous locations Products marked CL I DIV 2 GP A B C D are suitable for use in Class I Division 2 Groups A B C D Hazardous Locations and nonhazardous locations only Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code When combining products within a system the most adverse temperature code
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1756 IN566B EN P