2.4 Rack CR2 (6ES7401-2TA01-0AA0)
Introduction
The CR2 rack is used for the design of segmented central racks. The CR2 has both an I/O
bus and a communication bus. The I/O bus is split into two local bus segments with 10 or 8
slots.
Suitable modules for the CR2
You can use the following modules in the CR2 rack:
● All S7-400 modules except for receive IMs
Design of the CR2
1 2
3
4
5
465 mm
482,5 mm
290 mm 190 mm
40 mm
1 2 3 4 5 6 7 8 9 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
Figure 2-4 CR2 rack
(1) Segment 1
(2) Segment 2
(3) I/O bus segment 2
(4) Communication bus
(5) I/O bus segment 1
Specifications of the CR2 rack
Rack CR2
Number of single-width slots 18
Dimensions W x H x D (mm) 482.5 x 290 x 27.5
Material of the mounting rail Sheet steel
Weight (in kg) 4,1
Rack
2.4 Rack CR2 (6ES7401-2TA01-0AA0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 33
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