The Rack Cr2; (6Es7401-2Ta01-0Aa0); Cr2 Rack - Siemens Simatic M7-400 Reference Manual

2.4

The Rack CR2; (6ES7401-2TA01-0AA0)

Introduction
The CR2 rack is used for assembling 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 with the exception of receive IMs
Structure of the CR2
290 mm 190 mm
Figure 2-4
Technical Specifications of the CR2 Rack
Number of single-width slots
Dimensions W x H x D (in mm)
Weight
Busses
Only one power supply module required
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Segment 1
I/O bus
Segment 1
40 mm

CR2 Rack

Rack
Segment 2
I/O bus
Segment 2
Communication bus
465 mm
482.5 mm
CR2
18
482.5 x 290 x 27.5
3 kg
4.1 as of version 03
Segmented I/O bus,
continuous communication bus
Racks
2-7