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Reference Manual
00809-0200-4101, Rev AA
July 2008
Rosemount 2051
C-2
Parameters and
Descriptions
Parameter
Index
Number
Description
ALERT_KEY 04 The identification number of the plant unit.
BLOCK_ALM 08 The block alarm is used for all configuration, hardware, 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 will set the Active status in the Status parameter. As soon as
the Unreported status is cleared by the alert reporting task, another block alert may be
reported without clearing the Active status, if the subcode has changed.
BLOCK_ERR 06 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.
CAL_MIN_SPAN 18 The minimum calibration span value allowed. This minimum span information is
necessary to ensure when calibration is done, the two calibrated points are not too
close together.
CAL_POINT_HI 16 The highest calibrated value.
CAL_POINT_LO 17 The lowest calibrated value.
CAL_UNIT 19 The device description engineering units code index for the calibration values.
Valid calibration units are the following:
1130 = Pa
1133 = kPa
1137 = bar
1138 = mbar
1139 = torr
1140 = atm
1141 = psi
1144 = g/cm
2
1145 = kg/cm
2
1148 = inH
2
O @ 68 °F
1151 = mmH
2
O @ 68 °F
1154 = ftH
2
O @ 68 °F
1156 = inHg @ 0 °C
1158 = mmHg @ 0 °C
COLLECTION_DIRECTORY 12 A directory that specifies the number, starting indices, and DD Item ID's of the data
collections in each transducer within a transducer block.
FACT_CAL_RECALL 33 Recalls the sensor calibration set at the factory.
MODE_BLK 05 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 target
mODULE_TYPE 34 Indicates the type of sensor module.
0 = Standard coplanar (C)
1 = Standard threaded (T)
2 = Level Coplanar (L)
3 = Reference class coplanar (P)
4 = High temp. conventional (H)
252 = Unknown
PRIMARY_VALUE 14 The measured value and status available to the function block.