Appendix F. Upgrading the Embedded Programs
(Firmware)
Upgrading the embedded programs consists in uploading a new version of the
programs residing in the flash memory. The flash memory allows you to upgrade its
content using a software instead of physically replacing a memory chip.
Each Hydran M2-X is controlled by two embedded programs:
• The controller board program.
• The sensor interface board program.
Both programs can be upgraded locally.
The controller board program can also be upgraded, locally only, and one Hydran
M2-X at a time, using a program called BootDownloader; proceed as follows:
1. Ensure you have the CB.APP file, which contains the upgrade for the
controller board program. It can be found in the following folder of the
installation CD:
[drive letter]:\HM2-X Firmware\Control Board x.yz, where x.yz is the
version number.
2. Verify the version number of the controller board program currently
running. To do so, access Main Menu > Service > Software Version using
the Hydran M2-X’s keypad. Verify the version number again after the
upgrade procedure to confirm its success.
3. Connect a null modem cable between the Hydran M2-X’s Local RS-232
connector and the laptop computer’s COM port.
4. Remove the Hydran M2-X’s cover and power off the Hydran M2-X by
unscrewing the fuse holder. Then, power on the Hydran M2-X by screwing
the fuse holder back in place while pressing the left and middle context
keys. The Hydran M2-X now displays:
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