Lenze 630 Series - Measurement (4) (5) Relay, Switch-on Resistor

h
8.4 Measurement (41 (5)
-lay,
switch-on resistor
Operate digital multimeter in the R measuring range
- rectifier
negative connection displayed
Csplayed
of the ohmmeter at
analog
Aigital
controller terminal
value
value
- AMP plug
631
=4.5Q
632
633
z7.5C-J
634
631.
=4.5Q
632
633
=7.5R
634
-
When the display shows OR the relay contact sticks or the protective
switch-on resistor; R4 is of low resistance.
When the display shows@ or > 1 MR the protective switch-on
resistor R4 is of high resistance.