Firmware Updates
Preventing Program Loss - An available option to prevent the loss of program should the battery be drained is to
use the Backup/Restore function which is part of the Fail-Safe System. This feature is highly recommended and is
accessible from the System Menu and from program logic. Backup/Restore DOES NOT require the installation of a
microSD card in order to prevent program loss. Refer to "Fail-Safe System" on page1 for more details.
Firmware Update via microSD card
NOTE: Must have Firmware 15.40 or higher in place to be able to update firmware using the microSD card.
Method 1
Placing “.s19” file in the root of microSD card and loading firmware manually and automatically.
Manual firmware update by selecting “.s19” file
Place “.s19” file in the root of microSD card and insert the card. Go to System menu | Removable media and select
“.s19” file that needs to be loaded. Device displays the following message “Do not power Cycle Until FW is
updated”, select OK. Firmware update will be started, and a busy symbol will be displayed on the device until firm-
ware will be loaded.
When firmware update will start %SR154.16 bit will be set to high. Once firmware update is completed %SR154.16
bits will be set to low.
Set %SR154.12 bit to high before selecting “.s19” file / before loading firmware if user program and register data
should be cleared after the update.
Set %SR154.12 bit to low before selecting “.s19” file / before loading firmware if user program should be present,
register values should be retained and status of the device needs to be retained after the update.
Auto firmware update via %SR’s
Place “.s19” file in the root of microSD card and insert the card. When %SR154.9 is set to high, %SR154.16 bit goes
high and controller will update the firmware which is placed in the root directory of SD Card. Once firmware update
process is successful, %SR154.9 and %SR154.16 bits are reset (goes low).
NOTE: There will be no busy symbol indication for this method. User should monitor %SR’s for the updates.
Set %SR154.12 bit to high if user program and register data should be cleared after the firmware update.
Set %SR154.12 bit to low if user program should be present, register values should be retained and status of the
device needs to be retained after the firmware update.
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