Dynisco TX180, Installation And Operation Manual

Page: 33 / 52

TX180 Temperature Transmitter 33
5.5 C
HANGE
Z
ERO
(L
OWER
R
ANGE
V
ALUE
)
The display will then indicate as follows to indicate that one may now change the zero, or 4mA
output point.
The code 9200 indicates that one can now
CHANGE ZERO
, or Lower Range Value (LRV), totally
independent of the Full Scale, or Upper Range Value, (URV), without the use of any calibrators or
external sensor inputs. To change the zero, press
ENTER
. The display changes to:
The 9201 code indicates that a positive, or “plus”, number is selected for the 4 mA (LRV) output
point. By repeatedly pressing the
NEXT
key the display will alternate
the 9202 code corresponds to a negative number to be selected for the 4 mA output point. After
deciding whether the Zero value, or LRV, is to remain positive (PLUS), press the
ENTER
key. In this
example assume it is to remain positive. The display changes to read:
and the leftmost digit position will start blinking (shown here in italics) asking if the thousands
position needs to be changed. To change the thousands position, start pressing the
NEXT
key and
the leftmost digit will increment through 1 2 3 4 5 6 7 8 9 0. Stop pressing the
NEXT
key at any of
the numerals desired, then press Enter to accept the selection. If the numeral selected before
pressing
ENTER
was 0, then the display would change to read:
and the second digit from the left will start blinking (shown here in italics) asking if the hundreds
position needs to be changed. As before, to change the number in this digit position repeatedly press
the
NEXT
key until the desired numeral is reached. Then press
ENTER
to go to the next lower
significant digit position. Each time the
NEXT
key cycles through the ten choices for that digit
position and the
ENTER
key enters the selected number. The digit position being changed is the one
that is blinking. The legend on the display will change successively to read:
9200
9201
9202 9201
0040
0 040