User manual - METER SRT-N118
•
If option “
noCH
” is selected for
“AL”
parameter, behaviour of the relay may
depend on
“FiLt” parameter
in some cases
. If “FiLt” is set to big value and the
input signal drops, result value of the measure will change slow, causes of
turning on or off relay due to thresholds values. The critical situation is slowly
detected, so it is impossible to predict the relay state in that situations.
•
If parameter „
AL
” = „
on
”, the relay will be turned on in the critical situations,
even if his parameter
“modE”
=
”noAC”.
7.3.2.
“inPt” menu
This menu presets the measurement input:
“
tYPE
"
- type of the input / sensor. This parameter can be set to values:
”
Pt 1
”
- Pt-100 input,
”
Pt 5
”
- Pt-500 input,
”
Pt10
”
- Pt-1000 input.
”FiLt”
- this parameter sets filtration rate. It can be set to values from 0 (no filtration ) to 5
(strongest filtration – time window about 2 sec).
“toFS”
- offset (expressed in 0.1°C, range ± 9.9°C.). This parameter allows shifting of
measurement scale, and express value added to calculated (measured) result.
7.3.3.
”OutP” menu
This menu contains parameters of analogue output control. Menu is available if the
device is equipped witch analogue output.
Analogue output can be controlled depend on both present measured value and
peak value (if peak detection is enabled).
“Omod”
- analogue output mode. Depending on version of the device there are following
options:
For active current output:
”
oFF
”
- current output disabled
,
”
0-20
”
- current output enabled with 0 ÷ 20 mA mode
,
“
4-20
”
- current output enabled with 4 ÷ 20 mA mode,
”
modb
”
- current output controlled via RS-485 interface.
For passive current output:
”
oFF
”
- current output disabled
,
“
4-20
”
- current output enabled with 4 ÷ 20 mA mode,
”
modb
”
- current output controlled via RS-485 interface.
For active voltage output:
”
oFF
”
- voltage output disabled
,
”
0-5
”
- voltage output enabled with 0 ÷ 5V mode
,
”
1-5
”
- voltage output enabled with 1 ÷ 5V mode
,
”
0-10
”
- voltage output enabled with 0 ÷ 10V mode
,
“
2-10
”
- voltage output enabled with 2 ÷ 10 V mode,
”
modb
”
- voltage output controlled via RS-485 interface.
28
i
i
