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