Reference Manual
00809-0100-4377, Rev BA
September 2010
Rosemount 752
C-2
GRANT_DENY
14
N/A
Options for controlling access of host computer and local
control panels to operating, tuning and alarm parameters of
the block.
HARD_TYPES
15
0x0000
N/A
Read
Only
The types of hardware available as channel numbers. See
<Ref 15>
RESTART
16
1: Run
2: Restart
resource
3: Restart with
defaults
4: Restart
processor
1
E
Allows a manual restart to be initiated.
FEATURES
17
0x0C1b
N/A
Read
Only
Used to show supported resource block options. See <Ref
15>and Table 25 for more information about supported
features. The supported features are:
SOFT_WRITE_LOCK_SUPPORT,
HARD_WRITE_LOCK_SUPPORT, REPORTS, UNICODE,
MULTI_BIT_ALARM, FB_ACTION_RESTART_RELINK.
FEATURE_SEL
18
0
N/A
Used to select resource block options.
CYCLE_TYPE
19
0x0003
N/A
Read
Only
Identifies the block execution methods available for this
resource. See <Ref15> The supported cycle types are:
SCHEDULED, and
COMPLETION_OF_BLOCK_EXECUTION
CYCLE_SEL
20
0
N/A
Used to select the block execution method for this resource.
MIN_CYCLE_T
21
1760
(55 msec)
1/32
millisec
Read
Only
Time duration of the shortest cycle interval of which the
resource is capable.
MEMORY_SIZE
22
set by mfgr
Kbytes
Read
Only
Available configuration memory in the empty resource. To be
checked before attempting a download.
NV_CYCLE_T
23
19200000
(10 min.)
1/32
millisec
Read
Only
Minimum time interval specified by the manufacturer for
writing copies of NV parameters to non-volatile memory. Zero
means it will never be automatically copied. At the end of
NV_CYCLE_T, only those parameters that have changed
need to be updated in NVRAM.
FREE_SPACE
24
0-100%
%
Read
Only
Percent of memory available for further configuration. Zero in
preconfigured resource.
FREE_TIME
25
0-100%
%
Read
Only
Percent of the block processing time that is free to process
additional blocks.
SHED_RCAS
26
640000
1/32
millisec
Time duration at which to give up on computer writes to
function block RCas locations. Shed from RCas will never
happen when SHED_RCAS = 0.
SHED_ROUT
27
640000
1/32
millisec
Time duration at which to give up on computer writes to
function block ROut locations. Shed from ROut will never
happen when SHED_ROUT = 0
FAULT_STATE
28
1: Clear
2: Active
E
Read
Only
Condition set by loss of communication to an output block,
fault promoted to an output block or a physical contact. When
Fault State condition is set, then output function blocks will
perform their FSTATE actions. This parameter kept in the
device for compatibility because it does not contain any output
blocks.
SET_FSTATE
29
1: Off
2: Set
1
E
Allows the Fault State condition to be manually initiated by
selecting Set.
CLR_FSTATE
30
1: Off
2: Clear
1
E
Writing a Clear to this parameter will clear the device fault
state if the field condition, if any, has cleared.
MAX_NOTIFY
31
7
N/A
Read
Only
Maximum number of unconfirmed notify messages possible.
LIM_NOTIFY
32
0 to
MAX_NOTIFY
MAX_NOTIFY
N/A
Maximum number of unconfirmed alert notify messages
allowed.
Parameter
Index
Valid Range
Initial Value
Units
Other
Description
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