Emerson Rosemount 5900C, Справочное руководство

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C F
OUNDATION
™
Fieldbus Block
Information
C.1 Resource block
This section contains information on the Resource Block of the Rosemount 5900C Radar
Level Gauge.
The resource block defines the physical resources of the device. The resource block also
handles functionality that is common across multiple blocks. The block has no linkable
inputs or outputs.
Table C-1: Resource Block Parameters
Index
Number Parameter Description
01 ST_REV The revision level of the static data associated with the function block.
02 TAG_DESC The user description of the intended application of the block.
03 STRATEGY The strategy field can be used to identify grouping of blocks.
04 ALERT_KEY The identification number of the plant unit.
05 MODE_BLK The actual, target, permitted, and normal modes of the block:
Target: The mode to “go to”
Actual: The mode the “block is currently in”
Permitted: Allowed modes that target may take on
Normal: Most common mode for actual
06 BLOCK_ERR This parameter 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.
07 RS_STATE State of the function block application state machine.
08 TEST_RW Read/write test parameter - used only for conformance testing.
09 DD_RESOURCE String identifying the tag of the resource which contains the Device
Description for this resource.
10 MANUFAC_ID Manufacturer identification number – used by an interface device to
locate the DD file for the resource.
11 DEV_TYPE Manufacturer’s model number associated with the resource - used by
interface devices to locate the DD file for the resource.
12 DEV_REV Manufacturer revision number associated with the resource - used by an
interface device to locate the DD file for the resource.
Reference Manual F
OUNDATION
™
Fieldbus Block Information
00809-0100-5901 September 2019
Rosemount 5900C Radar Level Gauge 291