Lenze 8250 series Brake unit - Manual (Page 8)

Preface and general information
8250BA0903 1-1
1 Preface and general information
1.1 About these Operating Instructions ...
• The present Operating Instructions are used for operations
concerning safety measures on and with the 825X brake
units. They contain safety information which must be
observed.
• All persons who work on and with 825X brake units must
have the Operating Instructions available and observe all
relevant notes and instructions.
• The Operating Instructions must always be in a complete
and perfectly readable state.
1.1.1 Terminology used
Brake unit
The ” 8251 brake module” , the ” 8252 brake module” or the ” 8253
brake chopper with brake resistor” are called ” brake unit” in the
following text.
Controller
In the following text, the term ” controller” is used for ” 82XX
frequency inverter” .
Drive system
For drive systems with 825X brake units and other Lenze drive
components, the term ” drive system” is used in the following
text.
1.1.2 What is new?
Material No. Edition Important Contents
393658
12/1996 1st edition
393658
01/1997 revised • Technical data
• Chapter 4.3
474423 09/2003 replaces
393658 • Change of company name
• Chapter 8
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