Siemens Simatic S7-400 - Manual (Page 80)

Racks
2-10
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Structure of ER1 and ER2
465 mm 240 mm
482.5 mm 257.5 mm
290 mm 190 mm
40 mm
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9
I/O bus I/O bus
Figure 2-6 ER1 Rack with 18 Slots and ER2 Rack with 9 Slots
Technical Specifications of the ER1 and ER2 Racks
Rack ER1 ER2
Number of single-width slots 18 9
Dimensions W x H x D (in mm) 482.5 x 290 x 27.5 257.5 x 290 x 27.5
Weight (in kg) 2.5
3.8 as of version 03
1.25
2.0 as of version 03
Busses Restricted
I/O bus
Restricted
I/O bus