Switch Devices On Busses - Emerson PACSystems RX3i Application Manual

Application Guide
GFK-2928C
Figure 30: Monitor SBA Connection Status

Switch Devices on Busses

SW_BSM
Figure 31: Switch BSM Logic
Note:
User Accessible Inputs
EXE
SBA
TO_A
PLC Hardware Configuration
Zoom into the block to display the Switch BSM (SW_BSM) function
block. This function block allows the user to switch a specified
Genius device to either Bus A or to Bus B.
The highlighted elements may be used to control and execute the Switch BSM function
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.
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.
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
Chapter 5
Oct 2019
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