Hot Inserting, I/O Modules; Autoconfiguring An I/O Station With Expansion Racks - Emerson PACSystems VersaMax User Manual
Genius network interface unit
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- User manual (53 pages) ,
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PACSystems VersaMax Genius Network Interface User Manual
GFK-1535D
4.4.5
Hot Inserting, I/O Modules
You may hot remove and hot insert I/O modules in an autoconfigured I/O
Station, as long as the module being inserted has the same I/O type and
size as the module that was removed. If the module being inserted is not
the same I/O type and size, refer to Section 4.4.7, How Autoconfiguration
Handles Equipment Changes.
4.4.6
Autoconfiguring an I/O Station with
Expansion Racks
The Expansion Receiver modules must have their rack ID selection
•
dials set correctly. Any available rack number can be used for a new
expansion rack but they must all be unique (duplicate rack numbers
are not permitted). It is best to assign expansion rack numbers from
lowest (1) to highest (7) as they are installed.
If a new expansion rack is added in the future, it should be assigned a
•
rack number that is higher than the racks that are already installed. If
a new expansion rack with a lower rack number is added and the
station is then auto-configured, the racks numbered higher than the
new rack number have their I/O reference addresses shifted in the
reference tables. Any existing program logic using those references
would need to be adjusted to use the new references.
When autoconfiguring an I/O Station with expansion racks, either all
•
racks must be powered from the same source or the expansion racks
must be powered up before the main rack.
To add another expansion rack to the I/O Station, the I/O Station
•
must be powered down. After adding the expansion rack, power up
the I/O Station. It will then autoconfigure.
To force autoconfiguration for expansion racks, first power down the
•
NIU. Remove the transmitter module from the NIU or remove the
expansion cable at the transmitter. Power up the NIU and let it
autoconfigure. Power the NIU down again, reattach the transmitter
or cable, and power up the NIU again.
Configuration
Section 4
Jan 2023
80
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