Contents
8250BA0903 i
1 Preface and general information 1-1.................
1.1 About these Operating Instructions ... 1-1.....................
1.1.1 Terminology used 1-1............................
1.1.2 What is new? 1-1...............................
1.2 Scope of delivery 1-2...................................
1.3 825X brake units 1-2...................................
1.3.1 Labelling 1-2..................................
1.3.2 Application as directed 1-3........................
1.3.3 Legal regulations 1-4............................
2 Safety information 2-1............................
2.1 Personnel responsible for safety 2-1.........................
2.2 General safety information 2-2.............................
2.3 Layout of the safety information 2-3.........................
2.4 Residual hazards 2-4...................................
3 Technical data 3-1...............................
3.1 F eatures 3-1.........................................
3.2 General data /operating conditions 3-2.......................
3.3 Rated data 3-3........................................
3.3.1 Brake units 3-3.................................
3.3.2 Assignment table for brake resistors 3-3...............
3.3.3 Overcurrent relay and cable cross-sections 3-4..........
3.4 Dimensions 3-4.......................................
4 Installation 4-1..................................
4.1 Mechanical installation 4-1...............................
4.1.1 Important notes 4-1.............................
4.1.2 Standard assembly with fixing rail 4-2................
4.1.3 DIN-rail assembly 4-3............................
4.2 Electrical installation 4-4.................................
4.2.1 Operator’s safety 4-4.............................
4.2.2 Protection of the brake unit 4-5.....................
4.2.3 Specification of cables used 4-5....................
4.3 Connection 4-6........................................
4.3.1 Power connection 4-6............................
4.3.2 8251 brake module on 820X controller 4-7.............
4.3.3 8252 brake module on 821X controller 4-8.............
4.3.4 8253 brake chopper on 821X controller 4-9............
4.3.5 Connect temperature monitoring 4-10.................
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