Electrostatic Discharge - HEIDENHAIN ND 280 Installationsanleitung

ND 200
4.2 Connecting the line voltage
WARNING
Risk of electric shock!
Improper grounding of electrical devices involves a risk of
serious injury or death by electric shock.
Always use 3-wire power cables.
Make sure the ground wire is correctly connected to
the ground of the building's electrical installations.
WARNING
A risk of fire exists if a power cord not meeting minimum
specifications is used!
Use only power cables that fulfill or exceed the
specified minimum requirements.
Use the supplied power cable to connect the power
connection to a 3-wire grounded power outlet. For
information about the location of the power connection
on the rear panel, see "Rear panel", page 20
4.3

Electrostatic discharge

NOTICE
This product contains components
that can be destroyed by electro-
static discharge (ESD).
It is essential to observe the safety
precautions for handling ESD-sensiti-
ve components.
Never touch connector pins without
ensuring proper grounding.
4.4 Connecting encoders
Connections
Encoders are connected to the encoder inputs X1 (X2)
provided on the rear panel. For information on the location
of the connections, see "Rear panel", page 20.
The number and type of connections available for encoders
may vary depending on the type of unit.
Connecting the encoder cables
Connect the cables of the encoders tightly to the
respective connections on the rear panel.
If the cable connectors include mounting screws, do not
overtighten them.
Vacant pins or wires must not be used.
Pin layout X1 (X2)
For pin layout for 11 µA , 1 V
PP
the Appendix.
Only ND 287: For pin layout if an analog module is being
used, see "M" in the Appendix.
Installation Instructions en
and EnDat 2.1, see "H" in
PP
21