Issue What is the maximum number of registers that can be read/written using the multiple read/write function codes in Modbus Product Line EcoStruxure Building Operation Environment Building Operation Automation Server Modbus Register Groups Cause When deciding how to group registers using a Modbus Register Group, what are the maximum number of registers that can be grouped. Resolution There is a limit to the number of packets that can be polled in a single packet, however, if this number is exceeded then two or more polls will be made (blocks).  The nominal Read multiple registers maximum is 125 16 bit registers (250 8-bit bytes, so the register count will vary for 32 and 64bit polls).  The Register Group Properties Tab shows the number of blocks being polled. The Modbus register grouping function has a direct effect on system performance. A poorly grouped device can easily increase the overall poll time as points, or blocks, in each Modbus network are polled sequentially.  See the section "Batch Read Function" in the EcoStruxure Building Operation Technical Reference Guide for full details. Note: Multiple group writes are not possible and are not controlled via Modbus Register Groups.  

Issue How and when are Modbus points polled? Product Line EcoStruxure Building Operation Environment Building Operations Enterprise Server Building Operation Automation Server Cause Need to understand the Modbus poll mechanism Resolution Consult the 'Modbus Deep Technical Reference' chapter of EcoStruxure Technical Reference Guide Or use WebHelp to find information on the Modbus Poll Manager, which manages all polling of the points/data and devices, and the Poll List which contains all the current subscriptions (eg. data being referenced within Programs, Listviews, Graphics, Logging, etc) These mechanisms isolate the Modbus Polling from programs and graphics. Note: For each network, the poll manager operates with a poll list and a poll task. If a Modbus Object value is only required for logging purposes, then the  "Requested poll interval" is set to a high number (typically 2,147,483,647 ms) This means the object values are not currently being polled. When the time arrives for the log value to be collected, the "Requested poll interval" is set to 1000ms, until the value is collected, at which point it reverts to this higher number.

Issue Modbus Register Groups feature can overcome some Modbus communication problems. It has been seen before where the Modbus controller falls offline for a few seconds then comes back online. This cycle will repeat every few seconds. When register groups are not used, there may also be issues with the amount of time it takes for a Modbus points to update. Product Line EcoStruxure Building Operation Environment Building Operation Workstation Building Operation Enterprise Server Building Operation Automation Server Premium (AS-P) Building Operation Automation Server Bundled (AS-B) Cause In a normal Modbus network, a Modbus polling device obtains data from a polled device by sending a query message to the device and then waiting for the response message that contains the requested value from the selected register. If data from another register is required, the polling device sends out a new query message and awaits the response message. This process is repeated until all subscribed points values have been read. The Modbus Register Groups are a batch read function to poll Modbus devices. Instead of reading each register individually, the batch read function reads registers in manually created groups. When all registers in a group have been read, the response message returns subscribed register values for the whole group. Register grouping provides a dramatic saving in the time taken to poll your devices. For more guidance and tips on this topic, see Section "Batch Read Function" in the EcoStruxure Building Operation Technical Reference Guide.  Note: When viewing a graphic containing Modbus values, those values will update at the same interval as their Modbus register group. Resolution When grouping Modbus points, it is important to keep in mind some of the following points. Try to ensure that as many Modbus points as possible are contained in as few groups as possible. This will reduce the overall time it takes the Enterprise Server or Automation Server to read all the subscribed points in each Modbus device. Network performance can be enhanced by choosing the method of grouping that is most suitable for each device in the Modbus network.  Network performance can be enhanced by selecting a different default poll time for each register group. Network performance can also be enhanced by grouping points that have the same or similar polls. Start with higher group poll times to ensure a stable system before reducing the poll time. Make sure to delete Modbus points out of a register group individually before deleting the group. If this is not done, it can cause system delays. See article Modbus Batch Read Multiple Registers Groups Creating a Modbus Register Group In Workstation, in the System Tree pane, right-click on a Modbus device and select New Object (1).  In the create object window select Modbus Register Group (2), provide a name and select Create (3). Now that the group has been created, existing Modbus points can be dragged and dropped into the group. New Modbus points can also be created in the group.  Right-click on the Modbus Register Group and select New Object (1).  In the create object window expand Modbus Point (2), select a point type (3), provide a name and select Create (4).

Issue BACnet/IP port supported with EcoStruxure Building Operation Product Line EcoStruxure Building Operation Environment Building Operation Enterprise Server Building Operation Automation Server Building Operation Automation Server Premium Building Operation Automation Server Bundled Building Operation Edge Server - Standard Cause Which BACnet/IP ports are supported with EcoStruxure Building Operation, and can there be more than one port? Resolution By default, the BACnet/IP network uses UDP port 47808 (0xBAC0), this is adjustable higher or lower. The BACnet/IP network supports a single BACnet UDP port, Additional IP networks can be created in the BACnet system as long as each network has a unique identifier (network Id and name) and UDP/IP port number. Refer to: Creating an Additional BACnet IP Network (se.com) and Best Practices When Configuring BACnet IP Networks and BBMDs for EcoStruxure BMS Servers Please note that BACnet/IP uses UDP as its transmission protocol. For more information read the BACnet/IP basic design criteria.

Issue Will J-Bus operate with Modbus RTU devices on the same bus? Product Line EcoStruxure Building Operation  Environment Building Operation Automation Server Building Operation Automation Server Premium Building Operation Automation Server Bundled Cause Compatibility of J Bus required. Resolution The J Bus protocol is supported by the Autimation Server, it runs on an RS485 network and uses a subset of the Modbus RTU protocol function codes. The J Bus devices addressing usually has an offset of 1 compared to the Modbus RTU standard, to apply this offset select "J-Bus Mode" = Yes in the Modbus Master Network Properties.   Verify that the devices to be used have a standard RS485 electrical connection and do not require any special electrical biasing, also ensure that all units connected on the bus have a unique ID/ address number. If this is the case then you should be able to connect both Modbus RTU and J Bus devices on the same Automation Server port connection but in the Modbus Master Network select the J Bus Mode setting to No. In J-Bus mode, the Automation Server will automatically reduce the polled register addresses by one, so if the AS is set to Modbus mode, you may need to manually set the register addresses of any J-Bus devices by minus one. With J Bus as with Modbus sometimes the point addressing needs to be offset by +1 or -1, but check with the 3rd party device supplier/ documentation to determine its specific point addressing requirements.  

Issue Import of BACnet/IP device is missing Device ID value. The device is indicated as offline and will not communicate. Product Line EcoStruxure Building Operation Environment Building Operation Enterprise Server Building Operation Automation Server Building Operation Automation Server Premium Building Operation Automation Server Bundled Building Operation Edge Server - Standard Cause A device instance number is not preserved in an export. An imported BACnet device must be associated with a device.  Resolution Use the Associate with Device option on the BACnet/IP device object, refer to: Associating a BACnet Instance Number with a Device (se.com). Specify the device instance number.

Issue Setting the default BACnet priority levels for different applications avoids priority conflicts by normalizing which priority gets used for a specific action or within a specific application Product Line EcoStruxure Building Operation Environment Building Operation Enterprise Server Building Operation Automation Server Building Operation Automation Server Premium Building Operation Automation Server Bundled Building Operation Edge Server - Standard Cause Different EcoStruxure applications may act upon BACnet objects utilizing different BACnet priority levels. This may cause confusion and can keep the system from operating as expected. Resolution BACnet objects created with EBO (1.4 and higher) will have a default BACnet Priority of 16 unless specified otherwise. The default BACnet Priority can be changed to the customer's needs.   As a best practice, define the Default priority level prior to configuring the system. In addition, consider maintaining the same default priority level for multiple active systems at your site. For example, configure the same default priority level for the EcoStruxure Building Operation and fire protection system. In a multi-server system, you can only configure the Default priority level from the Interface Manager of the Enterprise Server. If you set a new priority level, the system propagates the change to the other automation servers in the network. Refer to: Default Priority Level (se.com) and Configuring the Default Priority Level (se.com)  

Issue What is the maximum number of trend logs in a SmartX IP Controller? What is the maximum number of trend log records in a SmartX IP Controller? Product Line EcoStruxure Building Operation Environment Building Operation Multi-purpose Controller Cause SmartX IP controller free object system memory is shared between objects and data in your application. There are no specific limits on the number of objects and/or trend logs that you can create. Several factors impact memory consumption: Every object added consumes a fixed amount of memory Memory is shared between objects and data. Adjustments to description fields or trend log buffer sizes will also impact the amount of memory consumed. Different controllers have different amounts of memory to start from. RPC controllers have roughly half of the memory of an MPC. Changes to EBO 3.X will also change the memory consumption, so upgrading your system may skew the memory consumption larger than it was in previous versions. Resolution After adding trend logs to the device consult the Free object system memory entry in the device report since this will help determine how much free memory is available. Trend log buffers are pre-allocated on creation of the trend object. The other place to find how much free memory the device have is in the device property page. This value can be put in a watch window, trended, or even bound to a low-limit alarm.     If the amount of free memory drops below 50 Kbytes, that is critically low available memory. A better target is to try to preserve 50% of available memory. Based on empirical testing, estimates of memory available inside a blank controller are: MP-C: 1890 Kbytes MP-V: 1780 Kbytes RP-C: 1115 Kbytes It is important to not overload the controller because the remaining memory can also be used for COV subscriptions (the last line in the table above). If there is no memory available, then opening a graphic which creates COV subscriptions could overrun memory or operate very slowly

Issue Alarm Pane not shown in Webstation Product Line EcoStruxure Building Operation Environment Building Operation Webstation Cause The User is viewing a Workspace which does not contain the Alarm Pane Resolution In the Top Left hand corner of the screen click View>Workspaces Select Engineering (or other applicable workspace)

Issue Unable to lock down access to AS WebStation to all clients Product Line EcoStruxure Building Operation Environment Building Operation Automation Server Premium Building Operation Webstation Cause Required to forbid accessing AS via http or https.. Resolution Https is the default workstation communication channel to an SBO server and therefore cannot be locked down. 

Issue Information is needed regarding the content of the various license types Product Line EcoStruxure Building Operation Environment Building Operation Workstation Cause If a standard Workstation license and a Workstation Pro. license are purchased, and are loaded on to a License server, when is the professional license used? Resolution The difference between the standard Workstation license and the Workstation Pro. license is that the professional license allows the usage of the editors (Graphics Editor, Function Block Editor, Script Editor, Menta Editor, WorkPlace Tech Editor). The licenses can be seen as a bundle of license features that can be checked in and checked out separately from each other. When a workstation attempts to use any of these editors the license server is asked to check out the license feature for that editor and if successful, that feature is "taken" and cannot be used by any other Workstation until the first workstation leaves the editor. This means that if you have one professional license, only one Workstation can use the same editor at the same time, if you e.g. have 2 professional licenses you can have 2 Workstations using the same editor at the same time. However, any Workstation can use any editor as long as there is a free license feature for it on the license server.

Issue The script program always executes the first condition, whatever the condition is. The code is shown below: Numeric Input AirFlowMin,AirFlowMax,AirFlowRead Numeric OutPut FlowFactor Line Judging if AirFlowMin<AirFlowRead<(AirFlowMax-AirFlowMin)/3 then goto 1 if (AirFlowMax-AirFlowMin)/3<AirFlowRead<(AirFlowMax-AirFlowMin)*2/3 then goto 2 if (AirFlowMax-AirFlowMin)*2/3<AirFlowRead line 1 FlowFactor=1 goto judging line 2 FlowFactor=2 goto judging line 3 FlowFactor=3 goto judging After the above program saves successfully, whatever the value of AirFlowRead is, the program only goes to line 1 and sets the value of FlowFactor to 1, and never goes to the other two lines. Product Line EcoStruxure Building Operation Environment B3s Script Program Cause Some expressions are supported in Continuum Plain English but are not supported in b3 Script programs Resolution Change the expression as shown below: Line Judging if AirFlowMin<AirFlowRead and AirFlowRead<(AirFlowMax-AirFlowMin)/3 then goto 1 if (AirFlowMax-AirFlowMin)/3<AirFlowRead and AirFlowRead<(AirFlowMax-AirFlowMin)*2/3 then goto 2 if (AirFlowMax-AirFlowMin)*2/3<AirFlowRead and AirFlowRead  

Issue When installing Enterprise Server an error is received at the end of the installation:  Clicking on the Details button the following error is shown:  -EnterpriseServer Service registration Starting Execute: "C:\Program Files\Schneider Electric\StruxureWare 1.2\Software Administrator\SE.SoftwareAdministrator.exe" ES /Install --DatabasePath="C:\Documents and Settings\All Users\Application Data\Schneider Electric\StruxureWare 1.2\Enterprise Server\db" --HTTPPort="80" --HTTPSPort="443" --TCPPort="4444" SE.SoftwareAdministrator.exe --install returned -532462766 -EnterpriseServer Service registration Leaving Completed In Software Administrator the Status of the Enterprise Server is indicated as Not Installed. Product Line EcoStruxure Building Operation Environment Building Operation Enterprise Server Cause It appears that the installation package has an issue with the authority to create the Enterprise Server Service, below are some options to try to rectify this.  Resolution SmartStruxure version 1.4 running on Windows 7 If this problem is encountered in 1.4 try the following steps Uninstall Enterprise Server software Restart PC Run the Enterprise Server installation software.  Use the Right Click "Run as administrator" option to ensure correct authority. Download and unzip this batch file Run the .bat file on the affected PC. Check the Software Administrator and confirm that the Server Status has now changed to "Running"   NOTE:  This batch file is only valid for 1.4 and will not work for 1.2 or 1.3.  Resolution #1 (Typically seen with SmartStruxure version 1.2) Changing the DCOM setting as described below has shown to allow for the installation process to complete. From the Start - Search programs and files entry type "dcomcnfg" and then select the dcomcnfg.exe file. Expand Component Services and also expand Computers. Right mouse click My computer and select properties and then select COM Security tab. Select the edit limits button from the  "Launch and activation permissions"  section. Select / Add the Everyone user and make sure all the permissions are set to allow   Reboot the computer. Then reinstall the Enterprise Server. Resolution #2 (Typically seen with SmartStruxure version 1.3) If Resolution #1 does not work or is not possible then you can manually add the Enterprise Server application manually.   Download and unzip this batch file Run the .bat file on the affected PC. Check the Software Administrator and confirm that the Server Status has now changed to "Running" NOTE:  This batch file is only valid for 1.3 and will not work for 1.2.  Alternative Workaround: Should neither of these options work.  You can run the Enterprise Server manually.  To do this: Locate the path: C:\Program Files\Schneider Electric StruxureWare\Building Operation 1.x\bin Double Click on the file name: SE.SBO.EnterpriseServer.exe A DOS Command prompt will open and display the Enterprise Server System log.  This window must stay open.  If you accidently close it, it will force the Enterprise Server to close and shutdown.

Issue Unable to have BACnet alarm trigger directly on a variable from a Function Block Program Product Line EcoStruxure Building Operation Environment Building Operation Automation Server Cause Building Operation does not have the possibility for a BACnet alarm to directly monitor a variable from a Function Block Program.  The problem with doing this is that a Function Block Program is not a BACnet visible object (a BACnet client cannot see it, even as a proprietary object type), and we do not see any provision in the BACnet standard for an alarm object to reference something not visible to BACnet. Resolution The workaround is to create a BACnet point (a BACnet Value object would make the most sense), and bind it to the Function Block Program variable.   There is however an option which may avoid "double" work.  In Building Operation we have implemented intrinsic alarming on the BACnet points and values.  This means that the point can detect and report alarms without creating a separate alarm object.  (they still need to reference to a BACnet notification class just like normal BACnet alarm objects).   The only limitation is in the choice of algorithm: Analog objects (Input, output, Value) support the out-of-range algorithm (high-limit, low-limit). Digital and Multistate objects* (input, and value) support the change-of-state algorithm. *In Building Operation, we do not have digital or multi-state outputs with alarming, because we do not support "command-failure" type alarm that those require.

Issue When attempting to edit a graphic on an SBO/EBO ES or AS the Graphics Editor reports it has lost connection. Product Line EcoStruxure Building Operation Environment Building Operation Workstation Building Operation Automation Server Premium Cause A second instance of the workstation is running on the same computer The firewall is blocking the connection. The password was recently changed during the same session Resolution Solution 1 If you use Remote Desktop (RDP) to access the SBO/EBO ES remotely, a second instance of the workstation could be initiated. Close the workstation on both the remote connection and at the SBO/EBO ES. Then open the workstation either at the SBO/EBO ES or via remote connection, not both.   Solution 2 Check if the firewall has been enabled while logged in to the SBO/EBO ES or AS, and disable the firewall Here is an example for McAfee   Solution 3 Make sure the network information (such as gateway) for the PC is entered correctly.   Solution 4 If you just changed the password of the logged in user, log out and in again   Solution 5 Update the Certificate Revocation List as described in First time a TGML graphic is opened after logging in it takes a long time for the graphic to load.

Warning Potential for Data Loss: The steps detailed in the resolution of this article may result in a loss of critical data if not performed properly. Before beginning these steps, make sure all important data is backed up in the event of data loss. If you are unsure or unfamiliar with any complex steps detailed in this article, please contact Product Support Services for assistance. Issue Finding the correct procedure for migrating Infinet controllers from a Continuum controller fieldbus to an AS-P. Product Line Andover Continuum,EcoStruxure Building Operation Environment Continuum Cyberstation Building Operation Automation Server Premium (1.9 onwards) Building Operation Automation Server Bundled (1.9 onwards) Cause The wrong procedure has been followed which is not the approved and tested procedure to be used when migrating Infinet controllers from Continuum to EBO.  Resolution Procedure for Converting / Transitioning the Infinet Bus Prior to migrating the Infinet Using the conversion tool and other engineering efforts, create the AS-P database for all Infinet devices, Infinet, Interface items, etc. in either a live AS-P or in the PCT. At the site From Continuum CyberStation,  the following must be completed to each Infinet controller that you are moving to an AS-P. Upgrade all Infinet devices that are going to be converted to the latest firmware version.  Firmware upgrading capability will not be available in EBO until a future release. Clear the memory of all Infinet devices involved before relocated to the AS-P com port by editing the controller object and selecting Runtime > Reset. If the conversion was done on the PCT, deploy the AS-P. Verify that the AS-P firmware is 1.9.0.73 or higher. Disconnect Infinet bus from the Continuum controller com port(s). Move the Infinet bus (busses) to the corresponding RS485 port(s) on the AS-P. Confirm that the Infinet devices are all showing online under the AS-P Download the Infinet devices. * Backup all Infinet devices to flash memory.   *  If the Infinet devices share data with other Infinet devices then it may be necessary to repeat this step in order to establish the complete Import/Export table. PLEASE NOTE The above steps are important! If not followed, offline and bus problems can occur. There may be a desire to skip the rest of the controllers, but the steps must be followed The likelihood is high that there will be substantial difficulties in getting the i2 controllers online and in a stable state to accept the download files. All of the Infinet controllers must be reset in Continuum before moving the bus to the AS-P.  The controllers should then be backup up to flash memory to ensure that they do not revert to their Continuum configuration following a cold start. If problems occur that make it necessary to abort the migration process and return the controllers to the Continuum system, all of the Infinet controller must have their memory cleared before re-attaching the bus on the comm port of the original Continuum controller.  For those controllers which have not established communications under the AS-P, this will mean performing a hard reset at the Infinet controller hardware. At no time should the Infinet bus be connected to the both the AS-P and the Continuum controller at the same time as this  confuses the Infinet controllers causes communications issues that will take some time to resolve. Please also see the "Infinet under the hood" community post Continuum Conversion Tool NOTES V3.0.x and v3.1.x Conversion Tools should not be used. The Workaround is to use the 2.0 Conversion Tool then upgrade. (The Conversion tool was fixed by v3.1.2.6000 (CP5)) V3.2.x onwards the Conversion Tool operates correctly v4.0.3 has an issue converting Infinet controllers, 4.01 or 4.02 should be used instead Now fixed in v4.0.3.5005 CP3 see Known Issues 

Issue Unable to establish communication between the enterprise and automation servers through the TCP Port 4444. Values are not being passed between the enterprise to the automation servers or between automation server to automation server. Product Line EcoStruxure Building Operation Environment Building Operation Enterprise Server Building Operation Automation Server Premium Building Operation Workstation Cause Windows Firewall is not allowing inbound or outbound information from passing through the TCP port 4444. Resolution First download and run TCP View. With TCP View running, sort the list by the Local Port and find all devices that are talking on port 4444. If the automation servers are in a state of LISTENING then rules must be created to allow communication. Copy the file path of SE.EnterpriseServer.exe in order to create the rules. This can be found by right clicking on one of the SE.EnterpriseServer.exe process > Process Properties... (C:\Program Files\Schneider Electric\StruxureWare 1.2\Enterprise Server\bin\SE.EnterpriseServer.exe) If the automation servers are in the state of ESTABLISHED, then take a look at Binding between ES and AS or two AS shows Unresolved and "Communication Failed" Alarm occurs when Adding an AS. Source: /Server 1/Servers/ASL/System/Server Communications/Models/2deef04c-05d1-41ae-9c3f-f84a9f7e0b41 for more troubleshooting help.   Change Windows Firewall Settings to Allow Programs Go to Start > Control Panel. Click on Windows Firewall. Click on "Allow a program or feature through Windows Firewall" on the left hand side of the window. Find "StruxureWare Building Operation" in the list of programs and make sure Home/Work and Public networks are selected.  Note: If you do not have permission rights to make changes in this area of Windows, move on to the next section where you can set up inbound and outbound firewall rules.   Creating Inbound and Outbound Windows Firewall Rules Go to Start > Control Panel.  Click on Windows Firewall. Click "Advanced settings" on the left side of the window. Select Inbound Rules on the left side of the window and then click New Rule... on the right side of the window. On the first screen of the New Rule Wizard, choose Program. Click Next. In "This program path:" either browse to SE.EnterpriseServer.exe or paste the file path that was copied earlier from the TCP View into the box. Click Next. Select the option to "Allow the connection". Click Next. Leave Domain, Private, and Public checked unless otherwise desired. Click Next. Name the rule StruxureWare. Click Finish. Select Outbound Rules on the left side of the window and then click New Rule... on the right side of the window. Follow steps 5 through 9 to create the Outbound Rule. Note that the SBO Firewall Config tool on the community can be used to automatically create the required firewall rules.

Issue A BACnet devices can contain 1000's of objects, performing an upload on these devices can take upwards of 30 minutes to complete when only a few objects are required for integration. Product Line EcoStruxure Building Operation Environment Building Operation Enterprise Server Building Operation Automation Server Premium Cause Uploading all objects in a controller can take a lot of time and is often not required. Resolution From version 2.0 Open the device discovery view / BACnet - then Discover All. Once the Device is hosted, click on the device (in the Device Discovery window) and open the right-hand Object pane. Drag/drop the required Object into the hosted BACnet device Application folder. Alternatively, the Hardware folder can be used, this was the best method for some earlier versions Perform the BACnet discovery, then view the Hardware folder at /ServerName/System/Hardware/BACnet devices. Navigate to the required Device/Object, then Drag and drop the Device and Object as above.

Issue When logging in to an AS or ES, WorkStation freezes or it takes a very long time (>30 minutes) before the login process finishes. Building Operation WorkStation hangs on "Reading data..." when trying to login to an AS or ES Product Line EcoStruxure Building Operation Environment Building Operation Enterprise Server Building Operation Automation Server Premium Building Operation Automation Server Bundled Building Operation WorkStation Cause The problem is related to a delay when validating the license details. It only seems to happen when running a mixed EBO/SBO 1.9.3 system and after having EBO license administrator 2.0.1 previously installed. Resolution Run the SBO License Server Reset tool and perform Reset - Simple Log in to WorkStation, and if the hang or freezing is still present, then follow the next set of instructions. Run Diagnostics in the License Administrator and take note of all the ACT (Activation) and Entitlement IDs Return all the licenses Close all WorkStations and stop all SBO/EBO processes (whichever may be running) Uninstall all License Administrator and License Server Run the SBO License Server Reset tool and perform a Reset - Complete (you will get an output of the commands and result) Install the latest released version of License Administrator and License Server (the latest released version of License Administrator has fixes for virtual servers and some cyber security vulnerabilities, note that License Administrator is backward compatible with earlier SBO versions) Activate the licenses based on the info from step 3 Note: If running the demo license, steps 3 and 4 may be skipped. If problems continue to occur, then send the above details collated (in step 3) and email this/contact support.

Issue Finding the rules governing the BACnet device Instance ID in EBO and learning to change it if required. Product Line EcoStruxure Building Operation Environment Building Operation Enterprise Server Building Operation Automation Server Premium Building Operation Automation Server Bundled  Cause The BACnet device Instance ID must be unique within a BACnet system. There may be a need to find out or change the device Instance ID to ensure there are not duplicates.  Resolution When a BACnet Interface is added to an SmartX server, AS or ES, the Server will become a BACnet device and it will have an Instance ID (automatically generated or manually assigned).  To check an ES or AS BACnet device instance ID go to the properties of the BACnet Interface and then the Advanced tab. The device instance ID is defined as the Object ID. To check other BACnet device, SmartX controller or 3rd party BACnet device, go to the properties of the BACnet Device and then the Advanced tab. The device instance ID once again is defined as the Object ID.  No 2 BACnet devices in any system may have the same Instance ID/Object ID. The valid range of Instance Numbers for a BACnet device is 0 to 4194302.   Change BACnet Device ID: You can change BACnet device IDs for SmartX Server or Controller when there is a conflict with another BACnet device, move controller or in those situations where you need to change the originally selected value for some local or site-specific reason. In EBO V3.2.3 or higher (except V3.3), it is possible to change BACnet Device ID of an SmartX server (ES, AS-P or AS-B), as explained in: Changing the BACnet Device ID in a SmartX Server To change SmartX IP Controller BACnet device ID, follow: Changing a BACnet/IP Device ID