Design of the ER1 and ER2
1 1
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
Figure 2-6 ER1 rack with 18 slots and ER2 with 9 slots
(1) I/O bus
Specifications of the ER1 and ER2 racks
Rack ER1
6ES7
403-1TA01-0A
A0
ER1
6ES7
403-1TA11-0AA0
ER2
6ES7
403-1JA01-0AA0
ER2
6ES7
403-1JA11-0AA0
Number of single-width
slots
18 18 9 9
Dimensions
W x H x D (in mm)
482.5 x 290 x
27.5
482.5 x 290 x 27.5 257.5 x 290 x 27.5 257.5 x 290 x 27.5
Material of the mount‐
ing rail
Sheet steel Aluminum Sheet steel Aluminum
Weight (in kg) 3,8 2,5 2,0 1,25
Busses Restricted I/O bus
Rack
2.6 Racks ER1 (6ES7403-1TAx1-0AA0) and ER2 (6ES7403-1JAx1-0AA0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 37