Message 3 of 6. Failure Analysis and Mitigation. Message 2 of 6. Thanks you got me thinking on another track and I resolved the problem. MAX recognized that these ports existed also. If I disconnect the device from a working port and repeat, Labview times out and does not return any data as expected , the odd thing is if I disconnect the device from the non-working port and repeat Labview does not time out or give any error. Did you install the drivers for the second Edgeport?

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Edgeport/8 DB-9 – 8 RS-232 serial DB-9

Expert Support Upgrade for premium services Professional Services Development, consulting and training Fdgeport Support Services Digi base, expert or professional services Support Tools Drivers, documentation and firmware. MAX recognized that these ports existed also. Contact a Digi expert and get started today!

Message 4 of 6. In answer to your first question, no, after installing or reinstalling the adapter I can re232 one adapter only to work, to get the other edgeort work I need to uninstall and reinstall in a different order. I need 19 com ports but only seem to be able to get one of the Edgeport 16 com ports or the Edgeport 4 4 com ports to work at a time with Labview. Perhaps the manufacturer’s driver cannot handle the multiple adapters.


Failure Analysis and Mitigation. Then I dug deeper into the labview issue and found the Modbus driver I was using had a enumerated com port selector limited to com port 17 instead of a string or numeric input as I expected it had.

Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. So, in LabVIEW, without changing port numbers on the adapters or diconnecting any of the RS to Serial adapters, you can get one or the other adapter to edgeportt Wireless Design Services Edgepodt class design and development. I’m trying to use com Feature-rich design, reliability and unmatched operating system support make Edgeport USB-to-serial converters ideal for mission-critical enterprise applications.

Your Trusted Source for Used Lab Equipment

Message 6 of 6. Featured Resources To keep your critical point-of-sale and other network devices connected and the data flowing securely, look to Digi for our commercial-grade routers and gateways.

Digi Smart Solutions is now SmartSense. Are you sure your code is not the source of the problem? Message 2 of 6. Designed for mission-critical enterprise applications, Edgeport is available in multiple configurations for maximum flexibility and scalability.

If you can talk to COM 22 by itself without issue, then it is not the problem.


Message 5 of 6. How are you determining they don’t work? The computer doesn’t know how to map the ports based soley on plugging it in.

Message 3 of 6. MAX sees all the ports but I can’t seem to access them edgeporg from Labview. I do not try to talk to multiple ports simultaniously. I fixed that and all works now.

Refurbished Edgeport USB to 8-Port RS Serial Converter

Message 1 of 6. Simply plug in the Edgeport and in minutes gain up to 16 serial ports to connect bar-code scanners, printers, or any serial peripheral device. Also be aware that if you uninstall and reinstall the driversyour port numbers may change.

Most Active Software Boards: To keep your critical point-of-sale and other network devices connected and the data flowing securely, look to Digi edegport our commercial-grade routers and gateways. Is there a maximum com port number? Technical Support Services Support services to meet any need.