Page 42 Foundation Fieldbus RMA803 Remote Indicator User's Guide Revision 4
Parameter Description
CYCLE_TYPE Identifies the block execution methods available for this resource. The
supported cycle types are: SCHEDULED, and
COMPLETION_OF_BLOCK_EXECUTION.
CYCLE_SEL Used to select the block execution method for this resource.
MIN_CYCLE_T Time duration of the shortest cycle interval of which the resource is capable.
MEMORY_SIZE Available configuration memory in the empty resource. It must be checked
before starting a download.
NV_CYCLE_T Minimum time interval specified by the manufacturer for writing copies of NV
parameters to non-volatile memory. Zero implies it is never automatically
copied. At the end of NV_CYCLE_T, only those parameters that have
changed need to be updated in NVRAM.
FREE_SPACE Percent of memory available for further configuration. Zero in preconfigured
resource.
FREE_TIME Percent of the block processing time that is free to process additional
blocks.
SHED_RCAS Time duration at which to give up on computer writes to function block RCas
locations. Shed from RCas does not happen, if SHED_RCAS = 0.
SHED_ROUT Time duration at which to give up on computer writes to function block ROut
locations. Shed from Rout does not happen, if SHED_ROUT = 0.
FAULT_STATE Condition set by loss of communication to an output block, fault promoted to
an output block or a physical contact. When Fault State condition is set,
output function blocks perform their FSTATE actions.
SET_FSTATE Allows the Fault State condition to be manually initiated by selecting Set.
CLR_FSTATE Writing a Clear to this parameter removes the device fault state if the field
condition, if any has cleared.
MAX_NOTIFY Maximum numbers of unconfirmed notify messages possible.
LIM_NOTIFY Maximum numbers of unconfirmed alert notify messages allowed.
CONFIRM_ TIME The time the resource waits for confirmation of receipt of a report before
trying again. Retry does not happen when CONFIRM_TIME=0.
WRITE_LOCK If set, no writes from anywhere are allowed, except to clear WRITE_LOCK.
Block inputs continues to be updated.
UPDATE_EVT This alert is generated by any change to the static data.
BLOCK_ALM The BLOCK_ALM is used for configuration, hardware, and connection
failure or system problems in the block. The cause of the alert is entered in
the subcode field. The first alert to become active sets the Active status in
the Status attribute. When the Unreported status is cleared by the alert
reporting task, another block alert is reported without clearing the Active
status, if the subcode has changed.
ALARM_SUM The current alert status, unacknowledged states, unreported states, and
disabled states of the alarms associated with the function block.
ACK_OPTION Selection of whether alarms associated with the block is automatically
acknowledged.
WRITE_PRI Priority of the alarm generated by clearing the write lock.
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