5.2 Selection and Activation of Functions
The keys
MEAS.VAL.
▲
,
F1
and
F2
can be used to successively select the
measured values of all channels as well as the following measuring and
programming functions. For switching back to the previous channel or function
the key must be pressed and held (approx. 1s). The measured value will be
automatically indicated again when the keypad has not been used for approx. 1
minute. The functions can be identified by a 2-digit abbreviation, which is
displayed instead of the dimension. Some functions will only be activated when
they are required by ALMEMO
®
sensors or modules.
MEAS.V.
▲
F1
F2
Meas.Val
, Dim
Meas. Functions
Ab DM
Programming Values
Abbr.
DM
Display
Mode
DM
0
Meas. Ch. M0
Max Value
(Hi)
MH
0
Range
R
0
Meas. Ch. M1
Min Value
(Lo)
ML
0
Limit Value 1 Max/Min
H1/L1
1
Meas. Ch. M2
Conversion Rate
CR
7
Limit Value 2 Min/Max
L2/H2
1
Meas. Ch. M3
~
Atmosph. Pressure
mb
0
Hysteresis
HY
2
° Temp. Compens.
TC
0
Base Value
BA
3
Factor
FA
3
Exponent
EX
3
Zero Point Correction
ZC
4
Slope (Gain) Correction
SC
4
^ Ambient Temperature
AT
4
^ Emissivity Factor
EF
4
Locking
Mode
LM
5
* Baud Rate
BR
6
* Device
Address
A
6
Analogue Output Start
AS
8
Analogue Output End
AE
8
0-20/4-20
mA
9
Automatic activation of the functions by:
*
interface modules
^
infrared sensors
° dyn. pressure and pH probes
~
humidity, dyn. press and O
2
sensors
Limitation of Function Range in Display Mode
The last digit in the display mode allows to limit the number of selectable
functions, up to a certain level. The disabled functions can then not be selected
any more and, therefore, are protected against accidental changes. The
display mode ´
DM
´ can be accessed by selecting the function ´
R
´ and by
pressing and holding the key F2 once. Entering the digit 1 (see 5.4) limits the
functions to range, lim.val.1 and lim.val.2. The locking mode ´
LM
´ (see 6.7) can
be used to lock the sensor parameters.
By setting up the key functions via interface (AMR-Control) the devices can be
individually configured for any application (man. 6.10.13.3). The original setting
can always be re-established by pressing the key
CLR
during switching on.
ALMEMO
4490-2
15
Display and Keypad
