Series 8 C300 Controller User's Guide
Honeywell
8. C300 Redundancy operation
8.2. Redundancy configuration restrictions
1. Factory data, such as: Vendor ID, Product Type, and Product Code must be identical
to ensure same platform hardware.
2. Firmware Type must be identical ensure same platform firmware. Synchronization
cannot be allowed across different personalities.
3. The Build ID strings are compared to detect difference in firmware versions. Some
platforms that use physical memory transfer as part of their redundancy solution are
sensitive to a difference in firmware versions. This includes C300.
4. The partner module must have a properly configured Device Index. If this module
has an odd Device Index N, the partner module has to have the even Device Index
N+1. Otherwise, if this module has an even Device Index M, the partner module has
to have the odd Device Index M-1.
Redundancy compatibility parameter - RDNCMPT
The RDNCMPT parameter indicates the following compatibility results.
Module is configured as non-redundant.
Initial/default state when no partner is responding to the
partner compatibility query.
Transient state while partner compatibility check is
being performed.
Compatible indication for those platforms not sensitive
to difference in firmware versions.
This includes FIM, Series 8 FIM, and IOLINK.
Compatible indication for those platforms sensitive to
difference in firmware versions (that is, C300) when
firmware versions are identical.
The size of the partner's compatibility message is
unexpected.
The partner's Vendor ID does not match.
The partner's Product Type does not match.
The partner's Product Code does not match.
The partner's Major revision is not supported.
The partner's Minor revision is not supported.
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