HEIDENHAIN ND 287 User Manual - Manual (Page 67)

ND 287
67
II – 1 Installation and electr
ical connection
Electrical connection
Electrical requirements
Wiring the power connector
The ND features a plug socket for a cable with European plug on the
rear panel, see Fig. II.3:
Grounding
Fig. II.3 Wiring the power connector
Fig. II.4 Power connection and protective ground
terminal on the rear panel
L N
Danger of electrical shock!
Disengage the power plug before opening the unit!
Connect a protective ground (see "Grounding" on page 67).
The protective ground connection must never be
interrupted.
Danger to internal components!
Do not engage or disengage any connecting elements
while the unit is under power!
Use only original replacement fuses.
Type Value
AC voltage Between 100 and 240 V~
Power Max. 30 W
Frequency 50/60 Hz
Fuse 2 x T500 mA
Hot leads: L and N
Ground:
Minimum diameter of power
connection cable:
0.75 mm 2
Maximum cable length: 3 m
Danger to internal components!
It is necessary to connect the ground terminal on the rear
panel to the star point of machine ground.
Minimum cross-section of the connecting wire: 6 mm
2
,
see Fig. II.4.