Issue
Upgrading a MicroNet 100 series LON controller to a MicroNet 50 series LON controller results in the loss of reference in/out objects and LON SNVT bindings.
Product Line
Satchwell MicroNet
Environment
Satchwell VisiSat Software
Cause
The upgrade process removes various items and objects from the original scheme, which can disrupt system functionality and data integrity.
Resolution
⚠️ Important Notices
- The MicroNet 50 series controllers (MN350, MN450, MN550, MN650 LCD and Touchscreen) have been withdrawn from sale.
- The IAC 420, IAC 600, and Touchscreen models have also been discontinued.
- No direct replacements are currently offered.
For more details, refer to:
- PA-00495 - Notice of Withdrawal - Satchwell Sigma (PDF)
- PA-00528 - End of Commercialization - Satchwell Sigma (PDF)
Upgrade Guidance
To minimize disruption during the upgrade:
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Review the full upgrade precautions in the document:
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Backup your existing configuration before initiating the upgrade.
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Document all reference in/out objects and SNVT bindings to manually reconfigure them post-upgrade.
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Validate compatibility of your VisiSat software version with the target controller.
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Consider alternative solutions if your application relies heavily on features removed during the upgrade.
Additional Resources
- MicroNet 50 Series Controller MLis and Data Sheets
- MicroNet 100 Series Controller MLis and Data Sheets
- Tables and Offsets for MicroNet 50, 100 Series, and IACs
- Replacing Satchwell MicroNet Controllers with MicroNet 50 Series Equivalents
See MicroNet 100 to 50 series upgrade precautions.pdf to view more detailed information.