Din Rail For Installing The Et 200X Modules - Siemens SIMATIC ET 200X Manual

DIN rail, narrow
Screw thread undercuts
for BM, EM, DESINA,
ECOFAST
DIN rail, wide
Screw thread undercuts for
BM, EM, DESINA, ECOFAST
Figure 3-1
Cross recessed head screws M5 x 20 8.8 Z4-1 as per DIN 7985 and a lock ring
and washer should be used to fasten the module to the DIN rail. The screw length
of 20 mm is absolutely essential.
Figure 3-2 shows dimensioned drawings for the narrow DIN rails.
Figure 3-3 shows dimensioned drawings for the wide DIN rails.
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
Position of fixing
screw
4 x M8

DIN rail for installing the ET 200X modules

Installation
Position of fixing
point, 2 x M8
Screw thread undercuts
for valve island
Screw thread
undercuts for
MS/FC
3-3