Emerson NGA2000 Reference Manual page 148

Reference Manual
748384-C
September 2003
RMEASURE
Direction
Binding
Type
Value range
Units
Description
Usage
See also
RNG1EI
Direction
Binding
Type
Value range
Units
Description
Usage
See also
RNGPAR
Direction
Binding
Type
Value range
Units
Description
Usage
See also
3-22 I/O Modules Variables
output
None
7-element enumerated array
OFF; ON
None
Shows the present state of each relay power.
Each element shows whether the associated relay is powered or not. This is used
for diagnostic purposes to detect frozen relays.
ILINE
RSTATUS
output
None
Enumerated
0-5V; 0-20mA; 4-2OmA.
None
AIO, ACAL only; selects the analog output mode.
The analog output circuit produces both voltage and current at once, but only one
has meaning. The output is scaled according to the setting of this variable. If it is
set to 0-5V, the voltage output will cover a range of 0-5V when the input varies
between RNGLO and RNGHI on that range. This output is calibrated with the
variable CAL-, and the algorithm uses the appropriate elements of CAL
depending on the setting of RNG1EI.
PPU
PTU
output
None
4-element integer array
0 -100 except element 4, 0 - 300
None
AIO, ACAL only.
The percent of range for the auto-range change algorithm to change down.
The percent of range to change up.
The initial range change time delay.
The range change toggle hold-off time delay.
Used to control the automatic range change algorithm. Elements 1 and 2 refer to
percentages of the next range down. Element 3 delays the range change so as to
avoid nuisance changes on short term spikes, and element 4 is further insurance
against range toggling.
NGA2000 Reference
Rosemount Analytical Inc. A Division of Emerson Process Management