APPENDICES
Appendix 7 Cautions on Communications Made via Module on Extension Base Unit
App - 56
9
PROCESSING TIME
FOR REDUNDANT
SYSTEMS
APPENDICESINDEX
(3) System switching during communication made via a module on an
extension base unit
If system switching occurs during communication made via a module on an extension
base unit by MC protocol or a dedicated instruction, both the old and new control
systems may not be able to respond, and this may cause a communication timeout.
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