Siemens M7-400, S7-400 2.2 The Racks UR1; (6ES7400-1TA01-0AA0) and UR2; (6ES7400-1JA01-0AA0)

Racks
2-3
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
2.2 The Racks UR1; (6ES7400-1TA01-0AA0) and
UR2; (6ES7400-1JA01-0AA0)
Introduction
The UR1 and UR2 racks are used for assembling central racks and expansion
racks. The UR1 and UR2 racks have both an I/O bus and a communication bus.
Suitable Modules for UR1 and UR2
You can use the following modules in the UR1 and UR2 racks:
•When the UR1 or UR2 is used as a central rack:
All S7-400 modules with the exception of receive IMs
•When the UR1 or UR2 is used as an expansion rack:
All S7-400 modules with the exception of CPUs and send IMs
Special case: Power supply modules cannot be used in conjunction with the
IM 461-1 receive IM.
Structure of the UR1 and UR2
465 mm 240 mm
482.5 mm 257.5 mm
290 mm 190 mm
40 mm
1 2 34 5 6 7 8 9101112131415161718 123456789
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I/O bus
Communication bus
I/O bus
Communication bus
Figure 2-2 Dimensions of the UR1 18-Slot or UR2 9-Slot Rack