7.12.7 Troubleshooting
Troubleshooting ISEL blockTable 7-37:
Symptom Possible causes Corrective action
Mode will not leave OOS. 1. Target mode not set 1. Set target mode to something oth-
er than OOS.
2. Configuration error 2. BLOCK_ERR will show the configura-
tion error bit set. SELECT_TYPE must be
set to a valid value and cannot be left
at 0.
3. Resource block 3. The actual mode of the Resource
block is OOS. See Resource Block Diag-
nostics for corrective action.
4. Schedule 4. Block is not scheduled and there-
fore cannot execute to go to Target
mode. Schedule the block to execute.
Status of output is bad. 1. Inputs 1. All inputs have Bad status.
2. OP selected 2. OP_SELECT is not set to 0 (or it is
linked to an input that is not 0), and it
points to and input that is Bad.
3. Min good 3. The number of Good inputs is less
than MIN_GOOD.
Block alarms will not work. 1. Features 1. FEATURES_SEL does not have alerts
enabled. Enable alerts bit.
2. Notification LIM_NOTIFY is not set high enough. Set
equal to MAX_NOTIFY.
3. Status options STATUS_OPTS has Propagate Fault For-
ward bit set. This should be cleared to
cause an alarm to occur.
7.13 Operation with Emerson DeltaV
7.13.1 About AMS and DeltaV software
AMS and DeltaV software allows you to manage your instrumentation and to perform on-
line configurations of your instruments.
The ability to communicate with instruments and configure instruments on-line facilitates
instrument commissioning and loop validation.
With AMS, you can also access status and diagnostic data from smart devices and monitor
their performance.
Foundation Fieldbus
Reference Manual 189
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