Dürkopp Adler 867-M PREMIUM Service Instructions Manual page 129

Programming
Test PWM subitem
Test of the pulse width modulation. Set the electrical voltage in proportion
to the force exerted by the electrical actuator (100 % corresponds to 24 V).
The modulation is applied in 2 periods (t1 and t2) and must be adjusted in
percent. The BOOST function effects a voltage overshoot in period (t1).
To check the power outputs of the pulse width modulation:
1. Use the
Fig. 94: Test PWM subitem
2. Press the OK button to confirm the selection.
 The
3. Observe the selected element and check if a press on OK actually
Important
The values indicated in the % field merely provide a reference point as to
the range within which the tension may increase or decrease.
Test Input subitem
Test of the inputs according to the interconnection diagram.
To perform the test steps:
1. Select the desired element with the
Fig. 95: Test Input subitem
2. Confirm the selected element (e.g. button, knee lever, etc.).
3. Observe the display on the control panel.
 If the element is functional, the display switches between
Service Instructions 867-M PREMIUM - 03.0 - 05/2017
/
buttons in the
wish to test.
Value display toggles between
button is pressed.
triggers it.
under Value .
field to choose the element that you
PWM
PWM : 2
Value :
OFF(0)
ON and
/
buttons in the
Input : 1
Value :
ON(1)
OFF every time the OK
Input field.
and
ON OFF
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