on the display or printer. An exponential representation of measured values is
not possible.
Two-Point Adjustment
The scaling values can be automatically determined by using a two-point
adjustment. First, the measured value is, at its 'zero state' (ice water,
unpressurized etc.), set to zero within the function MEAS. VALUE by using the
keys long,
CLEAR
(see 7.1.7).
ENTER
The sensor is then brought to a defined nominal value (boiling water, known
weight etc.) and the nominal value is entered. For this purpose the key
must be pressed two times long (approx. 1s) within the function
EINGABE
MEAS. VALUE until the first digit of the measured value flashes. Then, by
entering the nominal value (see 5.4), the scaling value is calculated and the
measured value is indicated accordingly.
The functions base value ´
BA
´ and factor ´
FA
´ must be activated
and unlocked! (see 6.7)
6.7 Locking the Programming of the Sensor
(man. 6.3.12)
The function parameters of each measuring point are protected by the locking
mode up to an adjustable locking level. Before any programming is performed
the locking mode must be correspondingly lowered. If a dot is indicated
following the locking mode on the display then a modification is not possible.
Locking Level
Locked Functions
0
none
1
measuring range + element flags
2
measuring range + zero point and slope correction
3
measuring range + dimension
4
+ zero point and slope correction
5
+ base value, factor, exponent
6
+ analogue output, start and end
7
+ limit values, max and min
Function LOCKING MODE
´
LM
´
Select using the key
F2...
... Input see 5.4
F2
1:0 0 0 5
LM
From function ´
R
´ press
F2
one time long (reverse).
If programmed, the element flags and the multiplexer settings are indicated on
the display next to the locking mode (see manual 6.10.2/3).
ALMEMO
2290-2/3
27
Sensor Programming
Содержание ALMEMO 2290-2/3
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