7. SENSOR PROGRAMMING
Since on ALMEMO
®
devices all sensor programming is stored in the ALMEMO
®
connector, the user will not normally need to reprogram. Programming will only
be necessary e.g. if sensor errors are corrected, if your own sensors are sca-
led, or if certain limit values are stipulated; in these circumstances there are
comprehensive programming functions available. Please note that series sen-
sors featuring the locking mode can be protected against unintended alteration
and that if modification is required then the locking mode must first be lowered
to an appropriate level; (see Section 7.2). All parameters can be entered and
modified easily and conveniently via the keypad - providing this function is acti-
vated (see Section 5.2) and the appropriate sensor connector is plugged in.
7.1 Selecting a measuring point
To view or to edit a sensor’s parameters, first of all in the MEASURED VALUE
function select the appropriate measuring point by pressing the M
▲
key.
To increment the measuring channel press key:
(applies to programmable channels only)
To decrement the measuring channel press key:
and hold down (for approx. 1 second)
7.2 Locking the sensor programming
(s. Hb. 6.3.12)
The functional parameters for each measuring point are protected by means of
the locking mode; this can be set to the desired locking level. Before program-
ming the locking mode must be lowered to an appropriate level. You can briefly
and temporarily lower the locking mode to level 3 by switching on the device
with the
PROG
and
FUNCTION
keys held down; (after switching off it will be resto-
red to the level programmed in the connector). If in the display you see a dot
after the locking mode, this means that this cannot be modified.
Locking level
Locked functions
0
none
1
Measuring range, element flags
2
Measuring range, zero-point correction, gain correction
3
Measuring range, units
4
This plus zero-point correction, gain correction
5
This plus base value, factor, exponent
6
This plus analog output, start and end
7
This plus limit values maximum and minimum
ALMEMO
2390-5
41
Sensor programming
M
▲
M
▲
1s
Содержание ALMEMO 2390-5
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