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36 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 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 / OOS
The selectable modes by the operator
.
ACTUAL
R
D
The mode the block is curr
ently 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 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
XD_SCALE Unit
Code
8
OUT
RW
R
DS-65
5
N
The block output value calculated
as a r
esult of the block execution,
expr
essed in
XD_SCALE unit
code
W
riteable only if
MODE_BLK.ACTUAL = MAN
9
SIMULA
TE
RW
R
DS-82
11
D
Allow to simulate V
alue and Status that should be r
eceived fr
om the PR
TB.
10
XD_SCALE
RW
R
DS-68
11
S
Input Scale
All the values ar
e associated with the channel input value
11
OUT_SCALE
RW
R
DS-68
11
S
Output scale
All the values ar
e associated with the OUT
12
GRANT_DENY
RW
R
DS-70
2
S
13
IO_OPTS
RW
S
B_STR
2
S
Option which the user can select to alter Input and Output block pr
ocessing
Bit 10
Low Cut Of
f
Enable/Disable the LOW_CUT Of
f ef
fect in the AI calculation
Bit 12
Unit conversion
Enable/Disable the automatic Unit conversion of the variables in input at the AI fr
om the
PR
TB when their unit is dif
fer
ent by the
XD_SCALE.Unit
14
ST
ATUS_OPTS
RW
S
B_STR
2
S
Options which the user can select for the block pr
ocessing of status. The available selections ar
e:
Bit 3
Pr
opagate Fault Forwar
d
Enable/Disable the pr
opagation of the Status byte fr
om the PR
TB in input at the AI to its Output
Bit 6
Uncertain if Limited
Bit 7
BAD if Limited
Bit 8
Uncertain if MAN Mode
15
CHANNEL
RW
S
U16
2
S
0
Uninitialized
** Doesn’
t allow at the AI to move out fr
om OOS
1
Pr
essur
e Pr
ocess V
alue
P-dP
2
Sensor temperatur
e
ST
3
Static Pr
essur
e
SP
4
Scaled Pr
ocess V
alue
Lin PV