Rack Cr3 (6Es7401-1Da01-0Aa0) - Siemens SIMATIC S7-400 Reference Manual

2.5

Rack CR3 (6ES7401-1DA01-0AA0)

Introduction
The CR3 rack is used for the design of central racks in standard systems (not in fault-tolerant
systems). The CR3 has both an I/O bus and a communication bus.
Suitable modules for the CR3
You can use the following modules in the CR3 rack:
● All S7-400 modules except for receive IMs
● You can only operate only one CPU 41x-4H at a time.
Design of the CR3
Figure 2-5
Specifications of the CR3 Rack
Number of single-width slots
Dimensions W x H x D (mm)
Material of the mounting rail
Weight (in kg)
Busses
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
1 2 3 4
1 2 3 4
190 mm
40 mm
115 mm
132 mm
CR3 rack
Rack
2.5 Rack CR3 (6ES7401-1DA01-0AA0)
CR3
4
132 x 290 x 27.5
Sheet steel
0,75
I/O bus and communication bus
Rack
35