Siemens Simatic M7-400 - ER1 Rack with 18 Slots and ER2 Rack with 9 Slots

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
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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