HEIDENHAIN TNC 620, User Manual

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First steps | Switching on the machine
2.2 Switching on the machine
Acknowledging the power interruption and moving to the
reference points
DANGER
Caution: hazard to the user!
Machines and machine components always pose mechanical
hazards. Electric, magnetic, or electromagnetic fields are
particularly hazardous for persons with cardiac pacemakers or
implants. The hazard starts when the machine is powered up!
Read and follow the machine manual
Read and follow the safety precautions and safety symbols
Use the safety devices
Refer to your machine manual.
Switching on the machine and traversing the reference
points can vary depending on the machine tool.
To switch on the machine, proceed as follows:
Switch on the power supply for the control and the machine
The control starts the operating system. This process may take
several minutes.
The control will then display the "Power interrupted" message in
the screen header.
Press the
CE
key
The control compiles the PLC program.
Switch on the machine control voltage
The control checks operation of the emergency
stop circuit and goes into Reference Run mode.
Cross the reference point manually in the
prescribed sequence: For each axis press the
START
key. If you have absolute linear and angle
encoders on your machine there is no need for a
reference run
The control is now ready for operation in the
Manual operation
mode.
Further information on this topic
Approaching reference points
Further information: "Switch-on", Page 166
Operating modes
Further information: "Programming", Page 66
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HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022
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