160Frame R2 ............................................................................................................
160Frame R2 (front & side) - IP20 / UL open type ............................................
161Frame R2 (bottom & rear) - IP20 / UL open type .........................................
162Frame R2 (front & side) - UL Type 1 kit installed .........................................
163Frame R2 (bottom & rear) - UL Type 1 kit installed .....................................
164Frame R3 ............................................................................................................
164Frame R3 (front & side) - IP20 / UL open type ............................................
165Frame R3 (bottom & rear) - IP20 / UL open type .........................................
166Frame R3 (front & side) - UL Type 1 kit installed .........................................
167Frame R3 (bottom & rear) - UL Type 1 kit installed .....................................
168Frame R4 ............................................................................................................
168Frame R4 (front & side) - IP20 / UL open type ............................................
169Frame R4 (bottom & rear) - IP20 / UL open type .........................................
170Frame R4 (front & side) - UL Type 1 kit installed .........................................
171Frame R4 (bottom & rear) - UL Type 1 kit installed .....................................
12 Resistor braking
173Contents of this chapter ......................................................................................
173Safety ..................................................................................................................
173Operation principle ..............................................................................................
173Selecting the brake resistor ................................................................................
175Reference brake resistors ............................................................................
176Definitions .........................................................................................
176Selecting and routing the brake resistor cables ..................................................
176Minimizing electromagnetic interference ......................................................
176Maximum cable length .................................................................................
176Placing the brake resistors .................................................................................
177Protecting the system in brake circuit fault situations .........................................
177Protecting the system in cable and brake resistor short-circuit situations ....
177Protecting the system against thermal overload ..........................................
178Mechanical and electrical installation of brake resistor .......................................
178Mechanical installation .................................................................................
179Electrical installation .....................................................................................
179Measuring the insulation ...................................................................
179Connecting power cables .................................................................
179Connection the control cables ..........................................................
179Start-up ...............................................................................................................
13 The Safe torque off function
181Contents of this chapter ......................................................................................
181Description ..........................................................................................................
182Compliance with the European Machinery Directive ...................................
Table of contents 11