7
1.13 Resource Block Parameter List, Fieldbus Foundation
Parameter
Rel.
Index Description
Type Store Size
byte
RO /
R/W Min. Max. Default
ST_REV
1
Is incremented each time that there is a change in a static
parameter in the physical block.
Un-
signed
16
SRC
2
RO
0
TAG_DESC
2
Tag name of the block. This parameter must be unique in the
configuration.
OCTET_
STRING
SRC
32
R/W
»«
STRATEGY
3
This can be used to group a Function Block. It is a user supplied
parameter for identification purpose.
Un-
signed
16
SRC
2
R/W
0
ALERT_KEY
4
Alert keys
Un-
signed
8
SRC
1
R/W
0
MODE_BLK
5
Block running mode
DS-69
Mix
4
*
1,1,
17,16
BLOCK_ERR
6
Block errors
BIT_
STRING
D
2
RO
0
RS_STATE
7
State of the function block application state machine
Un-
signed
8
D
1
RO
0
TEST_RW
8
Read/write test parameter used only for conformance testing
DS-85
D
112 R/W
0..0
DD_RESOURCE
9
String identifying the tag of the resource which contains the
Device Description for this resource.
VISIBLE_
STRING
SRC
32
RO
» »
MANUFAC_ID
10
Enumeration; controlled by FF
Manufacturer identification number - used by an interface
device to locate the DD file for the resource.
Un-
signed
32
SRC
4
RO
PR
Electronics
A/S
DEV_TYPE
11
Manufacturer’s model number associated with the resource -
used by interface devices to locate the DD file for the resource.
Un-
signed
16
SRC
2
RO
128
DEV_REV
12
Manufacturer revision number associated with the resource
- used by an interface device to locate the DD file for the
resource.
Un-
signed
8
SRC
1
RO
2
DD_REV
13
Revision of the DD associated with the resource - used by an
interface device to locate the DD file for the resource.
Un-
signed
8
SRC
1
RO
1
GRANT_DENY
14
Access Permissions. Options for controlling access of host com-
puter and local control panels to operating, tuning and alarm
parameters of the block.
DS-70
SRC
2
R/W
0
HARD_TYPES
15
The types of hardware available as channel numbers.
BIT_
STRING
SRC
2
RO
0
RESTART
16
1: Run,
2: Restart resource,
3: Restart with defaults,
4: Restart processor
Allows a manual restart to be initiated. Several degrees of
restart are possible.
Un-
signed
8
D
1
R/W
1
FEATURES
17
Used to show supported resource block options.
BIT_
STRING
SRC
2
RO
0
FEATURE_SEL
18
Used to select resource block options.
BIT_
STRING
SRC
2
RW
0
CYCLE_TYPE
19
Identifies the block execution methods available for this
resource
BIT_
STRING
SRC
2
RO
0xC000
CYCLE_SEL
20
Used to select the block execution method for this resource.
BIT_
STRING
SRC
2
**
0xC000
MIN_CYLCE_T
21
Time duration of the shortest cycle interval of which the
resource is capable.
Un-
signed
32
SRC
4
RO
0
MEMORY_SIZE
22
Available configuration memory in the empty resource. To be
checked before attempting a download.
Un-
signed
16
SRC
2
RO
0
NV_CYCLE_T
23
Interval between writing copies of NV parameters to non-volatile
memory. Zero means never.
Un-
signed
32
SRC
4
RO
0
FREE_SPACE
24
Percent of memory available for further configuration. Zero in a
preconfigured resource.
Floating
Point
D
4
RO
0.0
FREE_TIME
25
Percent of the block processing time that is free to process addi-
tional blocks.
Floating
Point
D
4
RO
0.0
SHED_RCAS
26
Time duration at which to give up on computer writes to func-
tion block RCas locations.
Un-
signed
32
SRC
4
R/W
640000
SHED_ROUT
27
ms time duration at which to give up on computer writes to
function block ROut locations.
Un-
signed
32
SRC
4
R/W
640000