2600T Series Pressure transmitters |
OI/266/FF/ADD-EN Rev. B 43
Block mapping
Idx
Parameter
Data
Type
Size
Storage
Description / Range / Selections / Note
0
BLOCK_OBJ
mix
R
Mix
62
In the Block Object data structur
e, ther
e ar
e dif
fer
ent items describing the block characteristics. Execution period, Number of
parameters in the block, the DD Revision, Pr
ofile Revision, V
iew Objects characteristics and so on
1
ST_REV
R
S
U16
2
N
The r
evision level of the Static data associated with the Function Block. The r
evision level is incr
emented 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
STRA
TEGY
RW
S
U16
2
S
The strategy field can be used to identify gr
ouping of blocks. This data is not checked or pr
ocessed by the block.
4
ALER
T_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 / CAS / RCAS / ROUT / OOS
The selectable modes by the operator
.
ACTUAL
R
D
The mode the block is curr
ently in.
PERMITTED
RW
S
AUTO/MAN/OOS/IMAN/CAS/RCAS/ROUT/LO
Allowed modes that the target may take on
NORMAL
RW
S
AUTO / CAS
The common mode for the Actual.
6
BLOCK_ERR
R
S
B_STR
2
D
This parameter r
eflects the err
or status associated with the har
dwar
e or softwar
e components associated with a
block. It is a bit string, so that multiple err
ors may be shown.
7
PV
R
R
DS-65
5
D
The pr
ocess variable used in block execution, expr
essed in
PV_SCALE unit
Code
8
SP
R/W
R
DS-65
5
N
The analog Set Point value of this block,
expr
essed in
PV_SCALE Unit
Code
Acceptable value:
PV_SCALE
+/- 10%
9
OUT
RW
R
DS-65
5
N
The block output value calculated as a
result of the block execution, expr
essed in
OUT_SCALE
unit code
W
riteable only if
MODE_BLK.ACTUAL
= MAN
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_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 OUT parameter and parameters which have the same scaling as OUT
.
12
GRANT_DENY
RW
R
DS-70
2
S
13
CONTROL_OPTS
RW
S
B_STR
2
S
Options the user may select to alter the calculation done in a contr
ol loop
Bit 0
Bypass Enable
Bit 1
SP-PV T
rack in Man
Bit 2
SP-PV T
rack in ROut
Bit 3
SP-PV T
rack in LO or IMan
Bit 4
SP T
rack r
etained target
Bit 5
Dir
ect Acting
Bit 6
Track if Bad TRK_IN_D
Bit 7
Track Enable
Bit 8
Track in Manual
Bit 9
Use PV for BKCAL_OUT
Bit 12
Obey limits if CAS or RCAS
Bit 13
No out limits in Manual
