IEC TS 60204-34:2016,Safety of machinery – Electrical equipment of machines – Part 34: Requirements for machine tools.
This clause of IEC 60204-1 is applicable except as follows:
Replacement:
This part of IEC 60204 applies to electrical, electronic and programmable electronic equipment and systems of machine tools not portable by hand while working, including a group of machines working together in a co-ordinated manner.
In this part of IEC 60204, machine tools means all machines for the working of metal, wood, plastics and stone, operating by forming or removal of material. The following list includes examples of machine tools but not limited to:
— Turning machines (i.e. manually controlled turning machines without numerical control, manually controlled turning machines with limited numerically controlled capability, numerically controlled turning machines and turning centres, single— or multi-spindle automatic turning machines);
— Milling rnachines(including boring machines);
— Machining centres:
— Planing machines;
— Drilling machines;
— Grinding machines;
— Laser processing machines;
— Electra Discharge Machines(EDM) (except their power circuit for discharge);
— Sawing machines for cold metal;
— Guillotine shears;
— Hydraulic press brakes;
— Mechanical (or hydraulic. pneumatic) presses.
5 Incoming supply conductor terminations and devices for disconnecting and switching off
This clause of lEG 60204-1 is applicable except as follows:
5.1 Incoming supply conductor terminations
Addition:
Add after the first sentence of the first paragraph:
When a machine tool needs to use several electrical cabinets, it is recommended that the main power supply is connected to the main power switch of one single electrical cabinet. If other cabinets need a power supply, it is recommended that they connect to the main power switch of this one single electrical cabinet.
For machinery, where two or more incoming supplies are provided, see Clause 5 of
lEO 60204-1 :—.IEC TS 60204-34:2016 pdf download.