HEIDENHAIN iTNC 530 Service Manual page 16

Basic insulation
Vertical axes
Changes to
entry values
Liability
2 – 16
DANGER
The interfaces for the PLC inputs/outputs, machine operating panel and PL expansion cards
comply with the basic insulation in accordance with IEC 742 EN 50 178.
Only units that comply with the requirements of IEC 742 EN 50 178 for basic insulation may
be connected, otherwise damage to persons or property may be caused.
The maximum dc voltage mean value of the PLC inputs is 31 V.
DANGER
Always secure vertical axes to prevent them from falling down before you perform tests on
these axes!
DANGER
Incorrect or non-optimized input values can lead to faulty machine performance and
therefore to serious injury to persons and damage to equipment.
Machine parameters may only be changed by the machine manufacturer or after consulting
the machine manufacturer!
Uncontrolled axis and spindle movements must be expected.
Settings that have an effect on the control's feedback loops may only be altered when the
EMERGENCY STOP button of the machine is pressed.
Caution
HEIDENHAIN does not accept any responsibility for indirect or direct damage caused to
persons or property through incorrect use or operation of the machine!
HEIDENHAIN Service Manual iTNC 530