ASM 400
3.8 Testing the signal and the displayed value
After assembling the transmitter, you should in any case perform a test of the displayed value
and the switching functions. Therefore, the device must be connected according to the specifi-
cations. In the next step, you should carry out the settings at the zero point (menu 3) and end
point (menu 4), as well as the decimal point (menu 2). The displayed value of the ASM 400
should correspond to the respective measuring value of the transmitter.
3.9 Final inspection of the device
For final inspection, it is essential to test the displayed value as well as the switching function
again. The switching function may be externally tested by a variety of procedures. The use of
two external LEDs, which are triggered through protective resistors, is the simplest and most
suitable way.
4. Operation
4.1 Operating and display elements
Fig. 3 Touchpad
The device has a green LED for displaying the active contact of set point 1 and a yellow LED for
displaying the active contact of set point 2. The LEDs will light up when the respective set point
has been reached and the contact is active.
The display of the measured value as well as the configuration of the individual parameters
occur through a menu via a 4-digit seven-segment display. The individual functions can be set
with the help of two miniature push buttons located in the front.
•
"
▲
" button: with this button you move forward in the menu system or increase the
displayed value
•
"
▼
" button: with this button you move backward in the menu system or decrease
the displayed value
•
both buttons simultaneously:if both buttons are pushed simultaneously, the device changes
between display and configuration mode; you can also confirm
the menu items and set values
When setting the values, you can increase the counting speed by pushing the respective
button ("
▲
" or "
▼
") for more than 5 seconds.
LED
contact 1
LED
contact 2
4-digit seven-
segment display
"
▲
" - button
"
▼
" - button
Unit
Содержание ASM 400
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