Electrical Installation
82 Operating instructions RLD
ELTROPLAN
-
REVCON
Elektrotechnische Anlagen GmbH
4.3
Electrical installation
4.3.1
Operator’s safety
Danger!
After mains disconnection, the DC-bus terminals of the power feedback unit remain live for sev-
eral minutes! The exact time, till this voltage has decreased to a not dangerous value is depend-
ent on the used controller and has to run down before any service operations or similar activities
are started.
The exact values have to be cross checked with the documentation of the controller.
Replace defective fuses by the regular types (chapter 3.3.3.2) only and without any live
voltage.
4.3.2
Protection of the power feedback unit
Stop!
The power feedback units contain electrostatic sensitive devices (ESSD).
During working at the terminals the personnel has to observe the rules of the international stand-
ard IEC 747-1 chapter 9. Basically before starting the works the personnel has to free itself from
electrostatic voltages:
Discharge yourself by touching the PE-screw of the housing or another grounded surface in the
cabinet.
STOP
