Siemens SINUMERIK 840DE User Manual page 66

5 I/O Modules
5.1 Single I/O module
SHIELD
M24
P24Logic
SHIELD
M24
P24Power
25
25
Fig. 5-2 Dimension drawing of single I/O module
EMC measures
The single I/O module has an equipotential bonding terminal. To conduct inter-
ference currents away, a low-resistance finely stranded bonding conductor to
the ground bus is required (see Subsection 2.1.3) with a cross-section of at
least 10 mm
interference conductors are in common, the PE conductor rules in EN
61800–5–1 must be followed.
5-64
Cooling clearance 50 mm
Cooling clearance 50 mm
135
2
. The connection must be as short as possible. When the PE and
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
70
Space for
front
connector
© Siemens AG, 2006. All rights reserved
03.06