Supplementary Documentation
Page 12 of 44
IFC090, IFC090 i with FF
IFC090-FF Block Description
IFC090 FF 01/2005
KROHNE Messtechnik GmbH & Co. KG · Ludwig-Krohne-Str. 5
D-47058 Duisburg
Tel.: 0203-301 309
Fax: 0203-301389 · E-mail: [email protected]
Parameter
Access
Description
MANUFAC_ID R
Manufacturer identification number. For KROHNE devices this is always
00012C
16
= 300
10
= KROHNE
MAX_NOTIFY R
Maximum number of unconfirmed notifies messages possible.
see also:
LIM_NOTIFY
MEMORY_SIZE R
Available configuration memory in the empty resource.
NOTE:
This parameter is not supported by IFC090.
MIN_CYCLE_T R
Time duration of the shortest cycle interval of which the IFC090 is capable. Within this
cycle all Function Blocks (1 Analog Input + 2 Integrators) have to be executed for one
time.
MODE_BLK Mix
Display of the current (actual), desired (
target
), possible (
permitted
) and
normal
modes
of the Resource Block. By writing a permitted value to the target field, you can control
the execution modes of the block. The following block modes are allowed for the
IFC090-FF Resource Block:
Automatic Mode (AUTO)
In this mode, the complete resource is able to execute. All other blocks
(Transducer, Analog Input, Integrator) can switch to a mode different from Out of
Service)
Out of Service (OOS)
In this mode, the complete resource stops its execution. For the other blocks
it is not possible to switch to AUTO mode, unless the Resource Block does.
NOTE:
Under certain conditions (e.g. RS_STATE = ONLINE_LINKING) the Resource Block is
not capable of switching to AUTO mode.
see also:
RS_STATE
NV_CYCLE_T R
Minimum time interval between two cycles of writing non-volatile parameters
OUT
,
PV
and
FIELD_VAL
. Since these values are not saved, this value is always zero (0) which
means don’t save these parameters.
RESTART R/W
Allows a manual restart to be initiated. Several degrees of restart are possible:
RUN
Setting for normal operation.
RESTART
RESOURCE
Warm
start of the IFC090-FF.
RESTART WITH DEFAULTS
Sets all FF parameters to their default values.
To be used with caution!
RESTART PROCESSOR
Cold start of IFC090 measurement electronics
and warm start of FF process.
RS_STATE R
State of the function block application state machine. The following states are possible:
ONLINE
Normal operation state: All defined links are established.
INITIALIZATION
Initialization
state: All alarms will be confirmed and
acknowledged.
ONLINE-LINKING Link evaluation state: Wait until all links are established
STANDBY
Out of Service state: Entered if mode of Resource Block is
OOS.
SET_FSTATE R/W
Allows the Fault State conditions for output function blocks to be manually initiated by
setting to ‘Set’.
NOTE:
Since the IFC090-FF doesn’t have an output block, this parameter is not supported.
SHED_RCAS R/W
Time duration for the monitoring-cycle in which a function block in mode RCAS has to
answer on control system requests.
NOTE:
Since the IFC090-FF has no function block capable of switching to mode RCas, this
parameter is not supported.
