Akytec ITP11 Посібник користувача - Сторінка 8
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Installation and operation
5.3
Programming mode
In programming mode the necessary parameters can be changed (see Table 5.1).
To return to the operating mode, the
button is pressed within 20 s, the device reverts to operating mode automatically.
The flowchart is presented in Fig. 5.3.
Table 5.1
Parameter
Comments:
1. Factory settings are highlighted.
2. With particular setting parameters the device cannot display the necessary minus sign
due to the restriction to four segments. The parameters are configured as follows:
di.Lo:
di.Hi:
With an input measured current of 3.8 mA the correct display should be "-1068". Due to
the restriction to four segments, the minus sign is removed and the display is "1068".
3. With particular setting parameters the device cannot actually display the necessary 5
figures due to the restriction to four segments. The parameters are configured as fol-
lows:
di.Lo:
di.Hi:
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover· Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de
PS
Access protection
Decimal point position
di.P
(from the right)
di.Lo
Lower limit (with 4 mA)
di.Hi
Upper limit (with 20 mA)
td
Filter time constant in seconds
Sqrt
Square root ON / OFF
-999 4 mA
9999 20 mA
-999 4 mA
9999 20 mA
Fig. 5.2
button must be pressed for longer than 5 s. If no
Comments
Valid values
1)
on
oFF
– -– -– -–.
-– -– -–.-–
-– -–.-– -–
-–.-– -– -–
2)
-999...4.00...9999
3)
-999...20.00...9999
0...1...10
on
oFF
7