Operating / Mounting instruction
32 192-550003N10 ETH ATEX December 2019
Please add the respective safety travels to the mentioned values!
Stroke, Usable Stroke and Safety Travel: see ETH catalogue .
Adjusting the machine reference initiator
The correct position for the home switch (machine zero switch) depends on the
application.
It is recommended to set the machine zero at or near the end of the travel. This
saves time, as it minimizes the chance that the machine zero is searched for in the
wrong direction. In some cases it is possible to use one of the limit switches as
machine zero. This method provides however a reduced precision, as the resulting
position can normally not be and-linked with the encoder index pulse.
2.3 Motor/ gear assembly
Notes on motor wiring
Improper wiring may lead to severe injuries or death.
A wiring must always be made from a skilled electrician.
Before carrying out any installation work de-energize the motor.
Observe the safety instructions in the operating instructions of the motor used.
The internal ballscrew is not self-locking!
Always take care, especially in vertical position of the ETH cylinder that
the piston rod must be safeguarded!
In case of non respect severe injuries may occur.
Grounding instructions
Electrostatic charge of the cylinder may lead to sparks and cause danger of
explosion in explosion protection zones. Avoid electrostatic charge.
The cylinder must be grounded and be a part of the grounding concept. Ground
cylinder via the motor and the cylinder mounting (machine frame).
In case the motor / gear assembly is provided by the customer, please make sure
that there is a conductive connection (transition resistance < 1 MOhm) between
cylinder and motor housing.
In this chapter you can read about:
Motor / gear assembly with inline motor configuration ...................................................... 33
Motor / gearbox mounting with parallel motor configuration ............................................. 35
IP65 motor mount ............................................................................................................ 42
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