Cable Distributor (Distributor Box) - Siemens SINUMERIK 840DE User Manual

4 Description of the NCU

4.4 Cable distributor (distributor box)

4.4 Cable distributor (distributor box)
Cable distributor
The cable distributor splits the X121 interface of the NCU into
(I/O interface)
S
S
S
S
S
using max. seven single cables. To supply the binary NC outputs, an external
24 V supply is possible at the cable distributor.
Fig. 4-7
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).
4-56
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
Cable distributor
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Cable
6FX2002-4AA21-0jjj
Cable
6FX2002-4AA41-0jjj
90
© Siemens AG, 2006. All rights reserved
03.06