Firmware Upgrades - GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual

9.3 USING 745PC
Prior to downloading new firmware to the 745, it is necessary to save the 745 setpoints to a file (see previous
section). Loading new firmware into the 745's flash memory is accomplished as follows:
1. Select the Communications > Update Firmware menu item.
2. The following warning message will appear. Click Yes to proceed or No to abort.
3. Next, 745PC requests the name of the file containing the new firmware. Locate the appropriate file(s) by
changing drives and/or directories until a list of file names appears in the file list box. File names for
released 745 firmware have the following format:
33 D 250 A4 .000
4. The 745PC program automatically lists file names beginning with 33. Click on the appropriate file name
such that it appears in the File Name box. Click OK to continue.
5. 745PC will prompt with the following dialog box. This will be the last chance to cancel the firmware
upgrade before the flash memory is erased. Click Yes to continue.
9
6. Upon completion the program place the relay back into "normal mode".
7. Upon successful updating of the 745 firmware, the next step is reloading the saved setpoints back to the
745. See the following section for details.
9-8
Modification Number (000 = none)
GE Power Management use only
Firmware Revision
Required 745 hardware revision
Product code (33 = 745 Transformer Mgt. Relay)
Figure 9–10: 745 FIRMWARE FILE FORMAT
745 Transformer Management Relay
9 745 PC SOFTWARE

9.3.2 745 FIRMWARE UPGRADES

GE Power Management