Siemens Simatic S7-400 - Manual (Page 78)

Racks
2-8
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
2.5 The Rack CR3; (6ES7401-2TA01-0AA0)
Introduction
The CR3 rack is used for the assembly of CRs in standard systems (not in
fault-tolerant systems). The CR3 has an I/O bus and a communication bus.
Suitable Modules for CR 3
You can use the following modules in CR3:
• All S7-400 modules with the exception of receive IMs
• You can only use the CPU 414-4H and CPU 417-4H in stand-alone operation.
Structure of the CR3
190 mm
40 mm
1 2 3 4
1 2 3 4
115 mm
132 mm
Figure 2-5 CR3 Rack
Technical Specifications of the CR3 Rack
Rack CR3
Associated programming package As of STEP7 V 5.1; ServicePack 3
Number of single-width slots 4
Dimensions W x H x D (in mm) 122.5 x 290 x 27.5
Weight (in kg) 0.75
Buses I/O bus and communication bus