Product Selection and Project Engineering
12
279954 / 944260310110
2022-05-04·BA00·III·en·00
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CPU module for Zone 1
Series 9442/32
5.4.1 Firmware Version in Redundancy Operation
In redundancy operation, it is generally recommended that both 9442 CPU modules
(primary and secondary module) have the same firmware version.
Compare current and older firmware versions
A new CPU module is always delivered with the latest firmware version. It may differ from the
version already used by an older module.
▶
When combining a new CPU module with an older one, match the firmware versions.
At least one module up to and including firmware version V1.0.21
Both modules from firmware version V1.0.22
All firmware versions are compatible with each other.
NOTICE! Malfunction due to use of incompatible firmware versions.
Non-compliance can result in material damage.
▶
Only use devices with firmware versions compatible with each other.
▶
If versions are different:
Load the new CPU module with the version already being used by the other module,
or update both CPU modules to at least firmware version V1.0.22.
Summary of Contents for 279953
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