GE Multilin 745 Instruction Manual

Upgrading Relay Firmware745Transformer Management RelayInterfaceshttp://www.GEindustrial.com/multilin4ñ22 GE Multilin5. The enerVista 745 Setup software will request the new firmware file. Locate thefirmware file to load into the 745. The firmware filename has the followingformat:FIGURE 4ñ5: Firmware File Format6. The enerVista 745 Setup software automatically lists all filenames beginningwith ë33í. Select the appropriate file and click OK to continue.7. The software will prompt with another Upload Firmware Warning window. Thiswill be the final chance to cancel the firmware upgrade before the flash memoryis erased. Click Yes to continue or No to cancel the upgrade.8. The enerVista 745 Setup software now prepares the 745 to receive the newfirmware file. The 745 will display a message indicating that it is in UploadMode. While the file is being loaded into the 745, a status box appears showinghow much of the new firmware file has been transferred and how much isremaining, as well as the upgrade status. The entire transfer process takesapproximately five minutes.9. The enerVista 745 Setup software will notify the user when the 745 has finishedloading the file. Carefully read any displayed messages and click OK to returnthe main screen.Cycling power to the relay is recommended after a firmware upgrade.After successfully updating the 745 firmware, the relay will not be in service and willrequire setpoint programming. To communicate with the relay, the following settingswill have to be manually programmed.SLAVE ADDRESSCOM1/COM2/FRONT BAUD RATECOM1/COM2/FRONT PARITY (if applicable)When communications is established, the saved setpoints must be reloaded backinto the relay. See Loading Setpoints from a File on page 4ñ20 for details.Modbus addresses assigned to firmware modules, features, settings, andcorresponding data items (i.e. default values, min/max values, data type, and itemsize) may change slightly from version to version of firmware.The addresses are rearranged when new features are added or existing features areenhanced or modified. The EEPROM DATA ERROR message displayed afterupgrading/downgrading the firmware is a resettable, self-test message intended toinform users that the Modbus addresses have changed with the upgraded firmware.This message does not signal any problems when appearing after firmwareupgrades.33 G 400 A0 .000Modification Number (000 = none)GE Multilin use onlyFirmware RevisionRequired 745 hardware revisionProduct code (33 = 745 Transformer Mgt. Relay)NOTE