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With the linux-based cRIOs the console ("Write To Monitor" ; as intended before working with VxWorks/PharLaps OS) disappeared.
It's only possible to have strings pushed to the RS ports or in a (not managed) file.
As many cRIOs are connected to the network, it would be nice to have the "Write To Monitor" console access through Ethernet port.
The idea would be also to keep the global functionnalities of this console : see the strings in the cRIO webpage (of course), but also keep strings in a managed file (max number of logs in a file, ...) to have a 'buffered' access to strings sent to the console...
Currently, if you have hardware in a LabVIEW project (e.g. a cRIO controller, cRIO chassis, or R-Series PXI card), the only way that you can change this to another product is by adding a new one to the project and deleting the old one. It would be nice to be able to use a configuration window to change the model number of a piece of hardware to a different, but similar one. For example, if you have a 9072 in the project but wanted to change it to a 9073. Another example would be the ability to change, via menus, a PXI 7813R to a 7854R. Of course the user would have to update any code written to account for changes due to the new hardware. This is especially convenient when you are simulating and configuring test systems but aren't quite sure exactly what hardware you need. Currently, for each new piece of hardware (similar or not) you have to create a new device and copy all of the IO, VIs, libraries, etc. under the new device in the project.
When developing RT code (especially system upgrades) it would be truly helpful to have a virtual machine (VMware, MS Virtual PC, Sun Virtual box, etc....) that would allow us to run the actual VxWorks OS and LVRT in it's native environment, within the Windows OS. This would allow the code to run on the actual RTOS (I realize that determinism would be scacrificed) and provide the ability to actually test the functionality of the code in the actual environment to ensure that it runs as it should. It would also preclude the need to have a bunch of RT controllers sitting on the shelf in the event that you might need them.
There is and emulator for PDA module, why not for RT.
When working in the Windows development environment the application builder has the ability to implement a version number for the built executable. Additionally LabVIEW has the ability to querry this version number through a property node. I would like to see this feature carried over to RT systems as well. It would be very helpful in determining what particular build of the startup.rtexe file is running on the target.
I am often working with a compact RIO and I need to change the IP configuration or the software settings. Currently I have to open up MAX refresh my target list (which can sometime take a minute or two since we have so many targets). Then open up the RT target settings.
I think the IP address and software settings should be accessible from the project window by right-clicking on the target and selecting properties.
The MAX settings page could be reproduced in the general settings section that all ready has a limited ability to edit the IP.
You could also add a software category, so you could update the version of RIO or install scan engine.
If you get errors when deploying your real-time VI, you have to scroll through a small window and many many lines of messages to find the error that's in bold text... often only to find that it's just the "startup application is missing" error. It would be better to have a separate box where the errors are summarized for you.
It would be very convenient if we could format and install the OS/RTE on a target directly from the project window.
Currently, if I'm about to deploy a new application I typically format the target, install the OS software on it, then I deploy the application onto it...and finally I make an image of it that will serve as a way for others to deploy the application to production targets.
This involves use of NI MAX (format and install OS), LabVIEW (deply app) and RAD (make image). Doing all these operations (image-making as well would be great) from LabVIEW would make the workflow much nicer.
PS. In the project window today you have Utilities>>System Manager. The described operations should be available directly from the menu, but it would also feel natural to have these options from the system manager.
When I choose to "Stop waiting and disconnect" from an RT system that is unresponsive, suppress the dialog box that fires immediately afterward saying that the connection has been lost.....I already know that, I am the one who asked for the disconnection.
Changing the IP setup currently requires a restart. It is now possible to change the configuration of all network interfaces programmatically using the System Configuration API, but it's not possible to put such changes into effect on the fly, so you actually have to shut down your application to put the changes into effect, something that might not be allowable.
So let's say e.g. that I have a controller with dual network interfaces and I want to reconfigure one of the network interfaces (turn on DHCP e.g.) - but I do NOT want to stop the RT application, because it controlls processes via other interfaces, and those processes must be kept alive. If it was a Windows PC, I could have done it. On an NI controller, which is ironically then typically used for more critical tasks, I cannot.
I have just gone through a somewhat painful support process to figure out how to adjust something as simple as the analog channel scaling on a NI-9203 module installed in a cRIO rack. Why there is no external way to adjust those properties, besides having a development system hooked up and accessing them through the Project Explorer, is a little baffling. After going a little round and round on the support call, it came down to this: modify your embedded program to include property references, where you can adjust the scaling programmatically. That means I need to modify my code, rebuild the executable, email it to the customer, get them to shut their entire line down, put the cRIO in the "don't run your startup VI" mode, upload the new program, restart, then finally get their entire line back up and running. All because they need to change the scaling on one 4-20mA analog channel from 0-400 to 0-500 units to match their PLC control system changes.
Seems like there should be a way to get into that configuration, maybe in MAX? We can see the cRIO processor, but can't get individual module or channel configurations. Distributed System Manager might be another place that properties could be adjusted. Anything to make the cRIO simpler to support in the field!