AquaTrans™ AT600 User’s Manual 183Appendix C. Updating the Firmware in the FieldAppendix C. Updating the Firmware in the FieldC.1 IntroductionThe AT600 firmware can be updated in the field. However, before attempting a firmware update, read theinformation in this section thoroughly to ensure a successful update process.Note: The instructions in this appendix are also available in BHGE document p/n 714-1418.C.1.1 System RequirementsMake sure that your AT600 flow meter system meets the following requirements:• Verify that your current AT600 firmware version is 01.02.25 or later.• Verify that you have the AquaTrans Flow Meter Software Update version 20161117V1.2 or later available torun on your PC.• Verify that your AT600 service port has a 2-wire RS485 connection to your PC, and that the connectionBaud Rate is set to 115200 baud.• Verify that your AT600 firmware binary file is Version 1.02.25 or later.C.1.2 PreparationTo ensure a successful firmware update, be prepared for the following:• Allow about 10 minutes for the firmware update to complete.• Before starting the firmware update, make sure that the AT600 is in normal measurement mode.• The AT600 main power must remain ON throughout the firmware update. DO NOT turn the main powerOFF until the firmware update has been completed.• Because the firmware update uses the AT600 Modbus/Service Port, you must NOT allow any other AT600Modbus activity during the firmware update.• During the firmware update, the AT600 will attempt to validate the new firmware image file. At theend of the update process, if the validation was successful, the AT600 will reboot with the updatedfirmware installed. However, if the validation was not successful, the original firmware will still beinstalled after the reboot.
