Siemens SINUMERIK 840Di Manual page 121
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06.03
2.13.5
Grounding
!
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
2.13 ADI4 (analog drive interface for 4 axes) (SW 09.01 and higher)
The installation of the module must be performed acc. to EN 60204.
The user must ground the power supply voltages. From terminal X1, pin 2
(MEXT1) or X6-1, pin 12 (MEXT2) it is necessary to establish a link with a
central grounding point of the system.
If a large-area, permanent metallic connection with the central ground point
through the rear panel is not possible, the module must be connected to the
grounding rail by means of a line (cross section >10mm
Caution
A protective conductor must be connected.
The housing front has an M6 screw bottom right for connecting the protective
conductor. See Subsection 2.13.1, page 2-105.
2 Hardware Descriptions
2
).
2-121
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