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
190 mm
40 mm
1 2 3 4
1 2 3 4
115 mm
132 mm
290 mm
Figure 2-5 CR3 rack
Specifications of the CR3 Rack
Rack CR3
Number of single-width slots 4
Dimensions W x H x D (mm) 132 x 290 x 27.5
Material of the mounting rail Sheet steel
Weight (in kg) 0,75
Busses I/O bus and communication bus
Rack
2.5 Rack CR3 (6ES7401-1DA01-0AA0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 35
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