315Cable types and lengths ......................................................................
315Grounding of protective shields .............................................................
316Dual-channel connection with internal power supply ....................................
316Frames R1i…R7i ..........................................................................
317Frame R8i and multiples ..................................................................
318Single-channel connection of activation switch ...........................................
319Multiple drives ..................................................................................
319Internal power supply .....................................................................
320External power supply .....................................................................
321Operation principle ................................................................................
322Start-up including acceptance test .............................................................
322Competence ...................................................................................
322Acceptance test reports ......................................................................
322Acceptance test procedure ..................................................................
324Use ..................................................................................................
325Maintenance .......................................................................................
325Competence ...................................................................................
326Fault tracing .......................................................................................
327Safety data .........................................................................................
328Abbreviations ..................................................................................
328TÜV certificate .................................................................................
13 Resistor braking using frames R1i…R4i inverter modules
329Contents of this chapter ..........................................................................
329Using R1i…R4i modules for resistor braking .................................................
329Planning the braking system ....................................................................
330Restrictions .....................................................................................
330Selecting the brake resistor ..................................................................
331Selecting and routing the brake resistor cables ...........................................
331Minimizing electromagnetic interference ...............................................
331Maximum cable length ....................................................................
331Placing custom brake resistors ..............................................................
331Protecting the system against thermal overload ..........................................
332Protecting the resistor cable against short circuit .........................................
332Mechanical installation ...........................................................................
332Electrical installation ..............................................................................
332Checking the insulation of the brake resistor assembly .................................
333Connection procedure ........................................................................
334Start-up .............................................................................................
335Technical data .....................................................................................
335Ratings ..........................................................................................
336Definitions ...................................................................................
337Resistor dimensions ..........................................................................
338Resistor connectors on inverter modules ..................................................
14 Dimension drawings
339Contents of this chapter ..........................................................................
340Frame R1i ..........................................................................................
341Frame R2i ..........................................................................................
342Frame R3i ..........................................................................................
343Frame R4i ..........................................................................................
Table of contents 13
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