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Reference Manual
00809-0100-2230, Rev BB
August 2014
Rosemount 2230
4-24
Section 4. Configuration and Operation
4.10 GENERAL BLOCK
INFORMATION
4.10.1 Modes Changing Modes
To change the operating mode, set the MODE_BLK.TARGET to the desired
mode. After a short delay, the parameter MODE_BLOCK.ACTUAL should
reflect the mode change if the block is operating properly.
Permitted Modes
It is possible to prevent unauthorized changes to the operating mode of a
block. To do this, configure MODE_BLOCK.PERMITTED to allow only the
desired operating modes. It is recommended to always select OOS as one of
the permitted modes.
Types of Modes
For the procedures described in this manual, it will be helpful to understand
the following modes:
AUTO
The functions performed by the block will execute. If the block has any
outputs, these will continue to update. This is typically the normal
operating mode.
Out of Service (OOS)
The functions performed by the block will not execute. If the block has any
outputs, these will typically not update and the status of any values passed
to downstream blocks will be “BAD”. To make some changes to the
configuration of the block, change the mode of the block to OOS. When
the changes are complete, change the mode back to AUTO.
MAN
In this mode, variables that are passed out of the block can be manually
set for testing or override purposes.
NOTE
When an upstream block is set to OOS, this will impact the output status of all
downstream blocks. The figure below describes the hierarchy of blocks:
Resource
Block
Transducer
Block
Other function
blocks