Rack Cr2 (6Es7401-2Ta01-0Aa0) - Siemens SIMATIC S7-400 Reference Manual

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
290 mm 190 mm
Figure 2-4
(1)
(2)
(3)
(4)
(5)
Specifications of the CR2 rack
Number of single-width slots
Dimensions W x H x D (mm)
Material of the mounting rail
Weight (in kg)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
1 2 3 4
1 2 3 4
40 mm
CR2 rack
Segment 1
Segment 2
I/O bus segment 2
Communication bus
I/O bus segment 1
Rack
1 2
5 6 7 8 9 1 2 3 4 5
5 6 7 8 9 10 11 12 13 14 15 16 17 18
5 3
4
465 mm
482,5 mm
2.4 Rack CR2 (6ES7401-2TA01-0AA0)
6 7 8 9
CR2
18
482.5 x 290 x 27.5
Sheet steel
4,1
Rack
33