Siemens S7-400PLC Dokumentacja Strona 39

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Rack
2.2 The racks UR1 (6ES7400-1TAx1-0AA0) and UR2 (6ES7400-1JAx1-0AA0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
39
2.2 The racks UR1 (6ES7400-1TAx1-0AA0) and UR2 (6ES7400-1JAx1-
0AA0)
Order number
The "x" variable has the following meaning for order numbers 6ES7400-1TAx1-0AA0
and 6ES7400-1JAx1:
x=0: Mounting rail made of sheet steel
x=1: Mounting rail made of aluminum
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 except for receive IMs
When the UR1 or UR2 is used as an expansion rack:
All S7-400 modules except for CPUs and send IMs
Special case: Power supply modules cannot be used in conjunction with the IM 461-1
receive IM.
Design of the UR1 and UR2
1 2
34
465 mm 240 mm
482,5 mm 257,5 mm
290 mm 190 mm
40 mm
1 2 3 4 5 6 7 8 9 101112131415161718
123456789
123456789101112131415161718
123456789
(1)+(2) I/O bus
(3)+(4) Communication bus
Figure 2-2 UR1 rack with 18 slots and UR2 with 9 slots
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