50 OI/266/FF/ADD-EN Rev. B | 2600T Series Pressure transmitters
266 Models - FOUNDATION Fieldbus
Block mapping
Idx Parameter Data Type Size Storage Description / Range / Selections / Note
0 BLOCK_OBJ mix R Mix 62
In the Block Object data structure, there are different items describing the block characteristics. Execution period, Number of
parameters in the block, the DD Revision, Profile Revision, View Objects characteristics and so on
1 ST_REV R S U16 2 N
The revision level of the Static data associated with the Function Block. The revision level is incremented each time a static
parameter value (S – under Storage) in the block is changed.
2 TAG_DESC RW S O_STR 32 S The user description of the intended application of the block
3 STRATEGY RW S U16 2 S The strategy field can be used to identify grouping of blocks. This data is not checked or processed by the block.
4 ALERT_KEY RW S U8 1 S The identification number of the plant unit. This information may be used in the host for sorting alarms, etc.
5 MODE_BLK
TARGET RW
R DS-69 4
S AUTO / MAN / OOS The selectable modes by the operator.
ACTUAL R D The mode the block is currently in.
PERMITTED RW S AUTO / MAN / OOS Allowed modes that the target may take on
NORMAL RW S AUTO The common mode for the Actual.
6 BLOCK_ERR R S B_STR 2 D
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.
7 PV R R DS-65 5 D The process variable used in block execution, expressed in PV_SCALE unit Code
8 OUT RW R DS-65 5 N
The block output value calculated as a result of
the block execution, expressed in OUT_
SCALE unit
Writeable only if MODE_BLK.ACTUAL = MAN
9 PRE_OUT R R DS-65 5 D expressed in OUT_SCALE unit Displays what would be the OUT value and status if the mode was Auto or
lower.
10 PV_SCALE RW R DS-68 11 S The high and low scale values, engineering units code, and number of digits to the right of the decimal point to be
used in displaying the PV parameter and parameters which have the same scaling as PV.
11 OUT_RANGE RW R DS-68 11 S The high and low scale values, engineering units code, and number of digits to the right of the decimal point to be
used in displaying the scaling for the output. It has no effect on the block
12 GRANT_DENY RW R DS-70 2 S
13 INPUT_OPTS RW S B_STR 2 S
Options the user may select to alter the calculation done in a control loop
Bit 0
IN Use uncertain as good
Bit 1
IN_LO Use uncertain as good
Bit 2
IN_1 Use uncertain as good
Bit 3
IN_1 Use bad as good
Bit 4
IN_2 Use uncertain as good
Bit 5
IN_2 Use bad as good
Bit 6
IN_3 Use uncertain as good
Bit 7
IN_3 Use bad as good
14 IN RW R DS-65 5 N The Primary Input Value for the block coming from another block. Expressed in PV_SCALE Unit
15 IN_LO RW R DS-65 5 N Input for the low range transmitter, in a range extension application. Expressed in PV_SCALE Unit
16 IN_1 RW R DS-65 5 N The Primary Input Value for the block coming from another block. Expressed in PV_SCALE Unit
17 IN_2 RW R DS-65 5 N The Primary Input Value for the block coming from another block. Expressed in PV_SCALE Unit
18 IN_3 RW R DS-65 5 N The Primary Input Value for the block coming from another block. Expressed in PV_SCALE Unit
19 RANGE_HI RW S FLT 4 S Constant Value above which the range extension has switched to the high range transmitter Expressed in PV_SCALE Unit
20 RANGE_LO RW S FLT 4 S Constant Value below which the range extension has switched to the low range transmitter Expressed in PV_SCALE Unit.
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