Out_hi_lim (limiting), Out_lo_lim (limiting), Out_scale (scaling) – National Instruments NI-FBUS User Manual
Page 91: Table 4-18. out_scale parameter, Out_state (process), Pv (process, scaling, tuning), Pv_d (process)

Chapter 4
Parameters
NI-FBUS Configurator User Manual
4-26
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OUT_HI_LIM (Limiting)
A limit for the maximum output value from a block in modes other than
manual.
OUT_LO_LIM (Limiting)
A limit for the minimum output value from a block in modes other than
manual.
OUT_SCALE (Scaling)
The scaling parameter used for the output parameter.
OUT_STATE (Process)
Index to the text description of the discrete output state.
PV (Process, Scaling, Tuning)
The process value, or primary value for this block. For AI and control
blocks such as PID, this represents a measurement of the state of the
process (such as temperature or level). For AO blocks, the process value is
the current setpoint of the block.
PV_D (Process)
The process value, or primary value for this block. For DI and discrete
control blocks, this represents a measurement of the discrete state of the
process. For DO blocks, the process value is the current discrete setpoint
of the block.
Table 4-18. OUT_SCALE Parameter
Subfield
Meaning
EU_100
Engineering units value at 100 percent of scale.
EU_0
Engineering units value at zero percent of scale.
UNIT_INDEX
Actual engineering units code (such as mA).
DECIMAL
Number of digits a host shows to the right of the decimal for display
purposes (not used by the NI-FBUS Configurator).