03.06
4.4 Cable distributor (distributor box)
4-56
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
4.4 Cable distributor (distributor box)
The cable distributor splits the X121 interface of the NCU into
two connections of differential handwheel,
two connections of meas. pulse input,
four connections of binary NC input,
four connections of binary NC output and
single connection 24 V/M24
ext
using max. seven single cables. To supply the binary NC outputs, an external
24 V supply is possible at the cable distributor.
Cable
6FX2002-4AA21-0
Cable
6FX2002-4AA41-0
90
Fig. 4-7 Cable distributor
The cable distributor (37-pole) consists of connector housing (SINUMERIK ver-
sion) for a 37-pole sub D connector with an enlarged interior. The rear contains
seven cable inputs where the cables must be attached as shown in Table 4-14.
Plug the cables into connectors X1 to X10 in the opened cable distributors and
route the cable into the cable entry. Make sure that the free stripped shield jack-
ets have a large conductive connection to the metallic contact areas as shown
in the Figure showing the position of the interfaces of the cable distributor (see
below).
Cable distributor
(I/O interface)
4 Descri
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