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Appendix C
Fieldbus Parameters
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National Instruments Corporation
C-15
OP_CMD_CXO
The lowest level priority input. This can be used to allow the operator to
activate interlock behavior with a write from the host application.
activate interlock behavior with a write from the host application.
OUT
The current output value of the block.
OUT_HI_LIM
A limit for the maximum output value from a block in modes other than
manual.
manual.
OUT_LO_LIM
A limit for the minimum output value from a block in modes other than
manual.
manual.
OUT_SCALE
The scaling parameter used for the output parameter.
Table C-10. Command Parameters
Value
Description
Close
When this flag is set, the output of the block is forced to
Discret_State_0
. This interlock is overridden by every other
interlock. If both
OP_CMD_CXO.Close
and
OP_CMD_CXO.Open
are
set, they are both considered to be clear.
Open
When this flag is set, the output of the block is forced to
Discret_State_1
. This interlock is overridden by every other
interlock. If both
OP_CMD_CXO.Close
and
OP_CMD_CXO.Open
are
set, they are both considered to be clear.
Stop
Unused in FieldPoint.
Enable 1, 2 ,3
Unused in FieldPoint.