Page 104 Foundation Fieldbus RMA803 Remote Indicator User's Guide Revision 4
Problem Cause Things to check Recommended action
Value of output does
not make sense
Check Cascade Initialization Assure that the output can move an
actuator.
Block alarms are not
reported
Read FEATURE_SEL Reports are not selected in
FEATURE_SEL. If features do not
include Reports then the host must
poll for alarms.
Read LIM_NOTIFY Set LIM_NOTIFY to a value higher
than zero, but not higher than
MAX_NOTIFY.
Troubleshooting the Input Selector block
Table 30: Input Selector block
Problem Cause Things to check Recommended Action
Input Selector block
mode is in OOS and
does not change to
AUTO mode.
Read
MODE_BLOCK.PERMITTED
.
Add AUTO mode to
MODE_BLOCK.PERMITTED.
Read MODE_BLOCK.
ACTUAL of Resource block.
If necessary, Set
MODE_BLOCK.TARGET to
AUTO.
NOTE:
If the mode is set to OOS for
maintenance then do not change
the mode to AUTO.
Schedule Block is not scheduled and
therefore cannot execute to go to
Target Mode. Schedule the block
to execute.
Check the License Status
parameter value of the block
Check whether License for
additional function blocks has
been purchased. Otherwise
purchase the license and then
upgrade.
Input Selector block
mode is in OOS mode
with Block
configuration Error.
Check SELECT_TYPE SELECT_TYPE must be set to a
valid value and cannot be left at 0.
Status of output is
Bad.
Check Inputs Make sure at least one input has
status as good.
Check OP_SELECT OP_SELECT is not set to 0 (or it is
linked to an input that is not used),
and it points to an input that is
Bad.
Check MIN_GOOD
Make sure that value entered in
MIN_GOOD is greater or equal to
actual number of Good inputs.
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