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Appendix C Fieldbus Parameters
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National Instruments Corporation C-19 FieldPoint FP-3000 User Manual
SHED_RCAS
The shed time for the RCAS_IN parameter. If the block is in RCas mode and
the
RCAS_IN parameter has not been updated in SHED_RCAS time, the
block performs mode shedding as determined by the
SHED_OPT parameter.
SHED_ROUT
The shed time for the ROUT_IN parameter. If the block is in RCas mode and
the
ROUT_IN parameter has not been updated in SHED_RCAS time, the
block performs mode shedding as determined by the
SHED_OPT parameter.
SIMULATE
The simulate parameter is used to bypass the physical I/O channel and
allow the block to operate normally, using a simulated I/O channel. For this
feature to be enabled, you must set a switch on the back of the FP-3000. To
see how to configure the switch, refer to Appendix A, Configuring the
FP-3000.
SP_HI_LIM
The upper limit on the setpoint of the block. If the setpoint exceeds this
value, the setpoint is considered to be
SP_HI_LIM with a status that
indicates that it is limited.
SP_LO_LIM
The lower limit on the setpoint of the block. If the setpoint is below this
value, the setpoint is considered to be
SP_LO_LIM with a status that
indicates that it is limited.
Table C-14.
Shed Conditions
Shed Mode Behavior
Normal Shed The block sheds into the next higher priority
mode set in the permitted mode field of
MODE_BLK.
Shed to Auto The block sheds into automatic mode.
Shed to Manual The block sheds into manual mode.
Shed to Retained The block sheds to the next higher priority mode
set in the target mode field of
MODE_BLK.