Installation; Interfaces; Electrical Connection - HEIDENHAIN ND 780 Guide D'installation

ND 780
Installation Instructions

6. Installation

The safety of any system incorporating the use of this product is the
responsibility of the assembler or installer of the system.

Interfaces

Rear
Power switch
1
Power connector
2
Replaceable fuse holder
3
Grounding Edge Finder
4
KT 130 Edge Finder and IOB 49
5
Encoder inputs: X1, X2, X3 axis
6
interface encoders 11 μA
1 V .
PP
RS-232-C: PC Communication.
7
Earth (ground) terminal
8
see warning below
Notice
Do not engage, or disengage any connections while the product is under
power. Damage to internal components may result.
Notice
It is necessary to connect the earth (ground) terminal on the rear of the product
to the star point of machine ground. Minimum cross section of the connecting
2
wire: 6 mm . Never use this equipment without proper grounding.

Electrical connection

Warning! Risk of electrical shock
A risk of electrical shock exists if this product is not properly grounded.
To avoid the hazard, always use a 3-conductor (grounded) power cord and
ensure the ground is properly wired to the building installation.
Warning! Risk of fi re
A risk of fi re exists if a power cord not meeting minimum specifi cations is
used.
To avoid the hazard, always use power cords that meet or exceed the minimum
listed specifi cations.
Power cord
L: Line voltage (brown)
N: Neutral (blue)
Protective conductor (ground)
terminal (green/yellow)
3-conductor (grounded)
Min. cable cross section: 0.75 mm
Max. cable length: 3 m
and
PP
2
Power cord
11