User manual - METER SRP-73
Figure 6.1. Definitions of measurement ranges in mode 4 ÷ 20mA
If the result of measurement exceeds the
permissible measurement range
, warning
”-Hi-”
or
”-Lo-”
is displayed rather than input signal,
depends on exceeded value (see description of
“Lo r”
i
“Hi r”
parameters, paragraph
”inPt” menu
).
Figure 6.2. Definitions of measurement ranges in mode 0 ÷ 20mA
If the measurement value do not exceeds
permissible measurement range
but
displayed value exceeds range -999 ÷ 9999, the warning ”-Ov-” is displayed rather
than the calculated result.
In the measurement mode user can check main thresholds values. After pressing
[^]
or
[v]
button, name of the threshold (e.g.
”rEL1”
) and his value will be displayed on the display
in alternating mode. If
[^]
or
[v]
will be pressed in 5 sec again, the next threshold will be
displayed, else the device comes back to the measurement mode. If a
free access
is enabled
(see description of
”SECu” menu
), user can change the value of particular threshold pressing
button
[ENTER]
(see:
PARAMETERS EDITION
).
Input type, range of displaying values, characteristic of conversion, decimal point
position and measure filtering ratio, are user configurable parameters. All accessible
parameters can be changed by entering the menu (see:
DEVICE PROGRAMMING
). Use the
local keyboard or the remote controller to do it. (Note: all parameters can be remote changed
via RS-485 interface).
Configuration of the device (via menu or RS-485 interface)
do not stops measures
.
15
i
”
Lo r
” parameter
”
Hi r
” parameter
4 mA
20 mA
permissible measurement range
nominal measurement range
”
Hi r
” parameter
0 mA
20 mA
permissible measurement range
nominal measurement range
i
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