Siemens 1LA8, Operating Instructions Manual

Page: 83 / 174

Start-up
7
When carrying out any work on the machine, observe the general safety instructions
(Page 15) and the specifications contained in EN 50110‑1 regarding safe operation on
electrical equipment.
7.1 Checks to be carried out prior to commissioning
Once the system has been correctly installed, you should check the following prior to
commissioning:
Note
Checks to be carried out prior to commissioning
The following list of checks to be performed prior to commissioning does not claim to be
complete. It may be necessary to perform further checks and tests in accordance with the
specific situation on-site.
● The machine is undamaged.
● The machine has been correctly installed and aligned, the transmission elements are
correctly balanced and adjusted.
● All fixing screws, connection elements, and electrical connections have been tightened to
the specified tightening torques.
● The operating conditions match the data provided in accordance with the technical
documentation, such as degree of protection, ambient temperature, etc..
● Moving parts such as the coupling move freely.
● If the second shaft extension is not in use, its feather key is secured to prevent it from being
thrown out, and cut back to roughly half its length if the rotor has balancing type "H"
(standard type).
● All touch protection measures for moving and live parts have been taken.
Electrical connection
● The grounding and equipotential bonding connections have been made correctly.
● The machine is connected so that it rotates in the direction specified.
● Appropriately configured control and speed monitoring functions ensure that the motor
cannot exceed the permissible speeds specified in the technical data. For this purpose,
compare the data on the rating plate or, if necessary, the system-specific documentation.
● The minimum insulation resistance values are within tolerance.
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2014
83