Siemens LMV5 Quick Start Manual page 218
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Updating AZL5 Software 9-5
The AZL5 contains two sectors of flash memory. One is used to store parameter sets and
the other contains the AZL5's software. The software portion of the memory can be loaded
with updated software if necessary. Updated AZL5 software is required if the AZL5 indicates
Version Conflict when the AZL5 / LMV5 is connected and powered.
The following steps outline the procedure for checking the software version on the AZL5 and
re-flashing the AZL5 with new software if needed. Obviously, if the AZL52 displays Version
Conflict immediately, the AZL52 software will need updated, and the current software
version does not need to be checked. If Version Conflict appears on the AZL52 screen, skip
down to Step 2. At the time of publication, the latest software version for the AZL52 is 4.20.
1) Go to the topmost menu on the AZL5, and scroll down to Parameters & Display. The
path needed to check the software ver. is: Parameters & Display> Access w-out PW>
AZL > SW Version. Select SW Version and press Enter on the AZL52. If the software
version reads Curr : 0420 then no updating is needed. This indicates version 4.20
software. If this is not the case, proceed to Step 2.
2) Ensure that ACS450 is installed on the computer that will be used to re-flash the AZL52.
If the latest version of ACS450 is not necessary to re-flash the AZL52, but is necessary
for other functions, such as backing up parameters. See installation and set-up 9-2 if
necessary.
Note: Prior to attempting an AZL5 software update, deactivate the Modbus port (RJ45) on
the back of the AZL5 if it is being used. Also, physically unplug the Modbus cable.
The port can be deactivated under: Operation > OptgModeSelect > GatewayBASoff.
3) Locate the correct .bin file. The ACS450 will prompt for the file later in this procedure.
The .bin file that is necessary for the update is shown below. Contact Siemens to obtain
the .bin file if the correct file is not available on the PC.
4) Connect the 9 pin cable or USB to serial adapter from the computer to the AZL52. The
requirements of this connection are outlined in Section 9-2.
5) On the topmost menu in the AZL52, scroll down to Updating. When enter is pressed, a
password prompt will appear. Either the service or the OEM level password will be
necessary. After access is gained, scroll down to Load_SW_from_PC and press enter.
This screen will state Start Process with ENTER. Press Enter.
Note: If the AZL52 displays Version Conflict, Esc can be pressed on the AZL52 in order to
get to the main menu that contains the Updating menu. When the AZL52 is in a
Version Conflict, only the service password will grant access to the
Load_SW_from_PC option.
6) Open up the ACS450 on the computer, go to System LMV5x, and select Update AZL
flash. The ACS450 will then ask for the .bin file. Locate and open the .bin file.
7) The AZL5 screen should say SW-Update on the top. If everything is working properly,
the AZL5 should say clearing flash and then it should say programming. During the
process. There should be a horizontal bar on the AZL5 screen and also on the computer
screen that slowly fills in from the left to the right. The update procedure takes at least 5
minutes. When everything is finished, the ACS450 should say Transfer finished, press
cancel and the AZL should say SW_Update OK FLASH :V04.20 Cancel : left key .
8) Press Escape on the AZL5. It will go into System Test and then come up normally. The
AZL5 flash update is now complete.
LMV5 QSG Rev 4
Sec 9 Pg 6
www.scccombustion.com
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