
Rack
2.3 UR2-H Rack 6ES7400-2JAx0-0AA0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
41
2.3 UR2-H Rack 6ES7400-2JAx0-0AA0)
Order number
The "x" variable has the following meaning for order number 6ES7400-2JAx0-0AA0:
● x=0: Mounting rail made of sheet steel
● x=1: Mounting rail made of aluminum
Introduction
The UR2-H rack is used for assembling two central racks or expansion racks in one rack.
The UR2-H rack essentially represents two electrically isolated UR2 racks on the same
mounting rail. The main area of application of the UR2-H is in the compact structure of
redundant S7-400H systems (two devices or systems in one rack).
Suitable modules for UR2-H
You can use the following modules in the UR2-H rack:
● When the UR2-H is used as a central rack:
All S7-400 modules except for receive IMs
● When the UR2-H is used as an expansion rack:
All S7-400 modules except for CPUs, send IMs, the IM 463-2, and the adapter module
Special case: Power supply modules cannot be used in conjunction with the IM 461-1
receive IM.
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