Revision 2.0 FOUNDATION Fieldbus ST 700 Pressure Transmitter User's Guide Page 21
MAINTENANCE_MODE
It indicates if the device is available for maintenance. When the resource block is in AUTO
mode, MAINTENANCE_MODE parameter displays the text as 'Chk with Oper', that is
the device is in process and is not available for maintenance. When the resource block is in
OOS mode, MAINTENANCE_MODE parameter displays the text as ‘Avail for Maint'
that is the device is out of process and is available for maintenance.
'Chk with Oper'- Check with operator to determine availability.
‘Avail for Maint'- The device is available for maintenance.
Parameter List
Table 6: Resource block parameters
Parameter Description
ST_REV The revision level of the static data associated with the function block.
TAG_DESC The user description of the application of the block.
STRATEGY Used to identify grouping of blocks.
ALERT_KEY The identification number of the plant unit.
MODE_BLK The actual, target, permitted, and normal modes of the block.
BLOCK_ERR Reflects the error status associated with the hardware or software
components associated with a block. It is a bit string, so that multiple errors
may be shown.
RS_STATE Indicates the State of the function block application state machine.
TEST_RW Read/write test parameter is used only for conformance testing.
DD_RESOURCE String identifying the tag of the resource, which contains the Device
Description for the resource.
MANUFAC_ID Manufacturer identification number is used by an interface device to locate
the DD file for the resource.
DEV_TYPE Manufacturer model number associated with the resource. It is used by
interface devices to locate the DD file for the resource.
DEV_REV Manufacturer revision number associated with the resource. It is used by an
interface device to locate the DD file for the resource.
DD_REV Revision of the DD associated with the resource. It is used by the interface
device to locate the DD file for the resource.
GRANT_DENY Options for controlling access of host computer and local control panels to
operating, tuning and alarm parameters of the block.
HARD_TYPES The types of hardware available as channel numbers. The supported
hardware type is SCALAR_INPUT.
RESTART Allows a manual restart to be initiated.
FEATURES Used to show supported resource block options. The supported features
are: REPORT, SOFT_WRITE_LOCK, HARD_WRITE_LOCK, and
MULTI_BIT_ALARM.
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