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KB82101
Updating to firmware 9.2c or newer may fail on SNAP-PAC-R controllers
Revision:  5.0
Published:  10/25/2012
Applies To
Firmware for:
SNAP-PAC-R1
SNAP-PAC-R2
Versions
Problem affects all versions when
upgrading to this version or newer:  

9.2c
Problem is fixed in:  
PAC Manager R9.3a (see Resolution, below)

SYMPTOMS

Attempts to download firmware version 9.2c or newer to a SNAP-PAC-R1 or a SNAP-PAC-R2 controller, may fail with or without displaying a message. Possible messages that may be reported:

  • "'Response' file is empty. Probable cause - not enough file space"
  • "File load failure: Memory allocate/flash"
  • "Invalid CRC in file"
  • The firmware update may fail and not show any errors.

WORKAROUND

NOTE: If the controller is assigned a secondary IP address, follow these steps to unassign the secondary IP address before proceeding with the Workaround:

  1. In PAC Manager, select Tools > Inspect, and then click Status Write.
  2. Scroll down to ETHERNET 2 Interface.
  3. If there is a valid IP address in the IP Address Value field, change it to 0.0.0.0 and then click Apply.
  4. Proceed with the Workaround.
  5. After the firmware downloads are complete, you can reassign the secondary IP address to the ETHERNET 2 Interface.



A temporary "bridge" firmware file must first be downloaded to the SNAP-PAC-R controller, followed by downloading the desired released firmware file.
  • Bridge firmware for SNAP-PAC-R1: bridge-r1-S9.2c.bin
  • Bridge firmware for SNAP-PAC-R2: bridge-r2-S9.2c.bin

1. Download the temporary "bridge" firmware file (bridge-r1-S9.2c.bin for SNAP-PAC-R1, or bridge-r2-S9.2c.bin for SNAP-PAC-R2) to your computer from the Opto 22 FTP Site.

2. In PAC Manager, select Tools > Inspect, enter the IP address in the Device Name field, click Status Write, select Restart Device from powerup, then click the Send Command button.

3. Use PAC Manager to download the bridge firmware file to your SNAP-PAC-R controller. 

If you were able to download the "bridge" firmware file, proceed to step 4.

If you were not able to download the "bridge" firmware file, do the following:

  • On the Status Write page, select Reset to defaults and Restart Device, then click the Send Command button.
  • After the controller has restarted, try to download the bridge firmware again.

If you were able to download the "bridge" firmware file, proceed to step 4.

If you are still not able to download the "bridge" firmware file, contact Opto 22 Product Support.

4. Use PAC Manager to download the desired 9.2c or newer firmware file to your SNAP-PAC-R controller.

The temporary "bridge" firmware will not be necessary to upgrade firmware once your controller has a firmware version that is R9.2c or newer.

RESOLUTION

Opto 22 has resolved this issue by modifying PAC Manager. Use PAC Manager R9.3a to install any firmware version when this problem occurs.

Use the Workaround if your controller has a firmware version prior to 9.2c and you cannot upgrade PAC Manager to version R9.3a or newer.

Relevant Downloads
No relevant downloads have been specified.
Questions? Contact Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com

DISCLAIMER

This Opto 22 Knowledge Base ('OptoKB') article is intended to provide general technical information on a particular subject or subjects and is not an exhaustive treatment of such subjects. Accordingly, the information in this OptoKB article is not intended to constitute application, design, software, or other professional engineering advice or services. Opto 22 may modify the OptoKB articles at any time. Before making any decision or taking any action which might affect your equipment, you should consult a qualified professional.

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