Connection Instructions - Bosch Servodyn-ASC Betriebshandbuch

Servodyn - ASC
General
1.4 Connection
Instructions
GB
Only Fixed
Connection
Control
Lines
Conditionally
Short-Circuit
Proof
GB - 8
A trouble-free and safe operation of the frequency inverter is only
guaranteed when the connection instructions below are strictly followed.
Incorrect operation or damage may result from incorrect installation.
· BOSCH ASC is only determined for a fixed connection because of
leakage current > 3.5 mA.
· Protective conductor cross section must be at least 10 mm
a 2nd conductor must be electrically parallel to the protective condutor
on separate terminals (VDE 0160)
· Note mains voltage and rated motor voltage.
· Install power cables and control cables separately (> 15cm separation).
· Use shielded/twisted motor and control lines. Connect shield to PE at
inverter only.
· Only use suitable circuit elements to control the logic and analog
inputs, whose contacts are rated for extra-low voltages.
· Make sure inverter and motor housing are well grounded. The screen
of the cable between the inverter and the motor must be directly and
securely attached to both the inverter PE terminal and the motor
ground terminal. Remove paint finish where necessary.
· Connect the braking module/ braking resistor with shielded/twisted
cables (install shield on one side of the inverter).
· Ground the cabinet or the system earth star point with the shortest
connection to mains earth (avoid earth loops).
All control cables must be included in further protective
measures ( e.g. double insulation or shielded, grounded and
insulated), since it concerns voltage according to VDE 0160,
which are not securely separated from the mains circuit,
because basic insulation is used.
The frequency inverters/servo drives are conditionally short-circuit
proof (EN 50178). After resetting the internal protection devices, the
function as directed is guaranteed. Exceptions:
- If an earth-leakage fault or short-circuit often occurs at the output,
this can lead to a defect in the unit.
- If a short-circuit occurs during regenerative operation (2nd or 4th
quadrant, feedback into the intermediate circuit), this can lead to a
defect in the unit.
2
copper or
1070066022 - 101