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Rosemount Model 8800C Vortex Flowmeter with FOUNDATION
TM
Fieldbus
B-12
Troubleshooting Refer to Table B-7 to troubleshoot any problems that you encounter.
TABLE B-7. Troubleshooting.
Symptom Possible Causes Corrective Action
Mode will not
leave OOS
Target mode not set. Set target mode to something other
than OOS.
Configuration error BLOCK_ERR will show the
configuration error bit set. The following
are parameters that must be set before
the block is allowed out of OOS:
• CHANNEL must be set to a valid
value and cannot be left at initial
value of 0.
• XD_SCALE.UNITS_INDX must
match the units in the transducer
block channel value.
• L_TYPE must be set to Direct,
Indirect, or Indirect Square Root
and cannot be left at initial value of
0.
Resource block The actual mode of the Resource block
is OOS. See Resource Block
Diagnostics for corrective action.
Schedule Block is not scheduled and therefore
cannot execute to go to Target Mode.
Schedule the block to execute.
Process and/or block
alarms will not work.
Features FEATURES_SEL does not have Alerts
enabled. Enable the Alerts bit.
Notification LIM_NOTIFY is not high enough. Set
equal to MAX_NOTIFY.
Status Options STATUS_OPTS has Propagate Fault
Forward bit set. This should be cleared
to cause an alarm to occur.
Value of output does
not make sense
Linearization Type L_TYPE must be set to Direct, Indirect,
or Indirect Square Root and cannot be
left at initial value of 0.
Scaling Scaling parameters are set incorrectly:
• XD_SCALE.EU0 and EU100
should match that of the transducer
block channel value.
• OUT_SCALE.EU0 and EU100 are
not set properly.
Cannotset HI_LIMIT,
HI_HI_LIMIT,
LO_LIMIT, or
LO_LO_LIMIT
Values
Scaling Limit values are outside the
OUT_SCALE.EU0 and
OUT_SCALE.EU100 values. Change
OUT_SCALE or set values
within range.