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the microLoad.net, the upgrade will be aborted. (Note: down-grading is possible; see the information
or forcing the microLoad to power up into the boot loader manually in Appendix II – Troubleshooting.)
o During the validation step, the message “Preparing microLoad.net for upgrade process…” will
be displayed.
You will be asked to enter the access code for the highest security level. Again, you must have
program mode access through communications to perform the upgrade. Enter the access code and
press <Enter> or click “OK”. An invalid access code will abort the upgrade process.
If the microLoad.net currently online is not programmed for 192.168.0.1, the microMate will check for
another device on the network using that IP address (the default address of the boot loader). If
another device responds the upgrade will be aborted since that address needs to be available for the
boot loader to use.
If all the above steps complete successfully, the microMate will issue the command to force the
microLoad.net into the boot loader remotely. The message “Allowing microLoad.net to boot into RAM
Executive, please wait” will be displayed.
Select ‘OK’ when prompted to begin the download. You will see the following text displayed on the
microMate:
o ‘Erasing existing application memory (flash)…’
o ‘Initiating application image download…’
o ‘Downloading image…’
The download process may take from 2 to 10 minutes (SLIP is usually significantly slower than
Ethernet). When the download is successfully completed, the following messages will appear:
o ‘Allowing microLoad.net to restart with new image...’
o ‘Transfer completed. The microLoad will be factory initialized.’
After successfully upgrading, the unit will have to be re-configured for operation. The communications
settings (IP address, etc.) may have to be configured manually, but once that is completed the microMate
can easily restore the remaining configuration items (program code configuration, equations, reports, etc.)
If the upgrade fails prior to the ‘Erasing existing application memory (flash)…’ message, power cycling the
microLoad.net should result in restoring the state of the device prior to attempting the upgrade. If the
upgrade fails for some reason after the erasing step, see the troubleshooting guide for assistance on
interfacing with the boot loader / RAM executive on the microLoad.net manually.
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