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14. Installation Hints
Elgo Electric controllers are constructed to the latest standards of technology and protected
against noise.
To enable the controller to operate successfully, the following instructions must be carried out.
Location
The unit must not be mounted in vicinity of high inductive or
capacitive powers or static electricity.
Power
Supply
: For 230v single phase supply, avoid using the same feed as to motors or
contactors. Otherwise fit a Filter.
Cable
:
All low voltage cables must be run separately from power cables.
Screening
:
All external signal cables must be screened
1.Encoder
cable
2.Input signal cable
All screens must be connected to a common earth point.
NB: Do not connect zero line to earth
Suppression:
To avoid electronic noise. Suppress all coils in the cabinet and on
Machine.
1. RC network for ac coils (e.g. 0.1 micro F+ 100 ohms)
2. Freewheel diode for dc coils
3. RC or similar suppressor for motor power lines and Brakes.