Manual Load Switch LS 804
Subject to technical changes. 06/2017
Page 15 of 34
A.S.T. - Angewandte System Technik GmbH, Mess- und Regeltechnik
5.4.
Configuration via keypad
Note:
Where configurations are triggered via the web browser, the respective setting options are
blocked by LCD / keypad so as to prevent operating errors.
Pressing
and
triggers change to the Adjustments Menu governing the sensor signals.
In menu LS804 – Functions it is possible to carry out readjustments to the sensor signals a to d in respect
of zero load (0%) and full load (100%) as well as changes to the switching points. A precondition for this
is that the configuration has previously been carried out via the web browser.
L S 8 0 4 - F u n c t i o n s
L i m . A d j . E x i t
Figure 21– Function menu
Lim.:
Menu for setting the limits on the current limit set (refer to 5.4.1 Limits)
Adj.:
Adjustments Menu for setting the zero load and final value (refer to 5.4.2 Adjustment).
5.4.1.
Limits
In the "Limit" menu, the display on the LS 804 only shows the values of the current limit set. This will have
previously been accessed to by means of an input signal or determined in accordance with Chapter 6.4
Limits (K1 to K6) with the "Limit set" function. On the LS 804 it is possible to deposit up to 8 limit sets.
Depressing
or
serves to trigger selection of the limit.
Actuating
or
brings about a change in the values of the relevant limit.
must be pressed to complete the changes to the display!
If this is not done, it will not be possible to access to information on other switching points using keys
or
.
1 : O L [ N ] + a
Display: Limit No. with measurement unit & sensor config.
1 4 0
Value for limit or period of delay
R e l : 1 Allocated relays
K1 to K6.
R e a d E x i t
Figure 22 – Display of switching point (where overloading occurs of 140% in respect of sensor a, relay 1
(K1) will be switched off with a time lag).
1 : D e L a y [ m s ]
5 0 0
R e L : 1
R e a d E x i t
Figure 23 - Display of switching point (where a switching condition is met for signal a, relay 1 (K1) will be
switched off if that switching condition is not met after 500 milliseconds).
Note:
Allocation of the switching relays K1 to K6 can only be set via a web browser! (Refer to
Chapter 6.4 Limits (K1 to K6)).
