Revision 2.0 FOUNDATION Fieldbus ST 700 Pressure Transmitter User's Guide Page 105
Troubleshooting the Integrator block
Table 27: Integrator block
Problem Cause Things to check Recommended Action
Integrator 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 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.
Integrator block mode is
in OOS mode with Block
Configuration Error.
Check INTEG_TYPE INTEG_TYPE must not be zero/blank.
Check TIME_UNIT 1 and
TIME_UNIT 2.
TIME_UNIT1 & TIME_UNIT 2 must
not be zero/blank.
Value of output does not
make sense.
Check TOTAL_SP. TOTAL_SP must be set to a valid
value and cannot be left at 0, if
INTEG_TYPE is UP_AUTO,
DN_AUTO.
Value of output is going in
negative value.
Check REV_FLOW1 and
REV_FLOW 2.
For forward flow REV_FLOW1 and
REV_FLOW 2 must be set as
Forward, and for reverse flow
REV_FLOW1 & REV_FLOW 2 must
be set as Reverse.
Check INTEG_OPTS
Flow forward and flow reverse
For forward flow in INTEG_OPTS
flow, forward must be selected and for
reverse flow in INTEG_OPTS flow,
reverse must be selected.
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.