EK280
Application Manual
19
4.2
HF pulse generator (Namur)
4.2.1
Connection
Danger!
For EK280 with internal power supply, the mains voltage must be switched off before
opening the housing, ensure it is not turned back on and verify that there is no voltage.
DE1
+
-
+
-
HF Pulse
generator
(Namur)
Connect the gas meter's high frequency pulse generator (Namur) to terminal "DE1" of the EK280.
Release the input 1 (terminal "DE1") calibration seals.
4.2.2
Parameterization
Parameterization is carried out via the keyboard on the EK280.
Alternatively, parametrization can be carried out using the
enSuite
program. The paths which are subsequently
described can be found in
enSuite
under "
Parameterize online
" > "
Parameters
".
a)
Setting the input mode:
Open the administration lock as described in the EK280 Operating Instructions.
Move the cursor to the "
Serv.
" tab and via the path below go to the input mode "Md.I1":
Serv.
Inputs
Input 1
Md.I1
Press the ENTER
button. The actual parameterized value flashes.
Repeatedly press one of the
or
arrow keys until the text "
HF pulses
" flashes.
Press the ENTER key to confirm the value setting. Input can be canceled using the ESC key.
Setting the cp (pulse constant) value:
Move the cursor to cp value "
cp.I1
" in the same path
Press the ENTER
button. One of the value's digits flashes.
Enter the pulse generator's cp value, by moving the cursor to the digits using the
or
arrow keys
and update it using the
or
arrow keys.
Press the ENTER button to confirm the set value. It is possible to abort the entry by pressing the
ESC button.
Close the administration lock of the EK280.
Set the counter value:
If necessary, the meter reading of the gas meter can be set as the starting value for the volume at
measurement conditions Vm. The procedure is described in Chapter "2.4.4".