GE PACSystems RX3i Application Manual page 36
Genius dual bus
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Also See for PACSystems RX3i:
- User manual (169 pages) ,
- Command line interface manual (116 pages) ,
- Secure deployment manual (35 pages)
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User Accessible Inputs
EXE
Initiates the execution of a bus switch operation. This may be done by selecting the contact
at the top right of the function block and then turning the reference ON using a right-click.
Note: do not force this reference. It will automatically reset.
SBA
This variable contains the value (i.e., the Serial Bus Address) for the Genius device that is to be
switched. You may change this value by selecting the variable and then depress the Control
key and Enter key simultaneously.
TO_A
Issues a datagram to switch the specified device to Bus A (if it is on Bus B currently). A fault
will be reported if the device is already connected onto Bus A. This reference may be turned
on by selecting the contact and then right click. The reference maintains its state.
NOTE: The function will turn ON its fault output if TO_A and TO_B are both ON or both OFF.
TO_B
This is similar to TO_A, except that it applies to switching a device to Bus B.
Outputs
OK
The function executed successfully.
BSY
The function is busy executing a communication request that has been issued to the
associated PROFINET Controller module. Typically, this will be related to the current Bus
Switch event.
FLT
The bus switching request was not completed due to an error in the COMMREQ structure, a
fault related to the GCG/PNC/Genius device, or a timeout because a component is not
available.
ST_LO The value of the low-order word of the COMMREQ. Refer to the GCG User Manual to interpret
the result.
ST_HI
The value of the high-order word of the COMMREQ. Refer to the GCG User Manual to interpret
the result.
GFK-2928
Chapter 5. PLC Hardware Configuration (Primary PLC)
December 2017
29
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