Mitsubishi Electric MR-J2S-A Instruction Manual page 17

12. CHARACTERISTICS
12.1 Overload protection characteristics ................................................................................................... 12- 1
12.2 Power supply equipment capacity and generated loss .................................................................... 12- 2
12.3 Dynamic brake characteristics........................................................................................................... 12- 5
12.3.1 Dynamic brake operation............................................................................................................. 12- 5
12.3.2 The dynamic brake at the load inertia moment ........................................................................ 12- 7
12.4 Encoder cable flexing life .................................................................................................................... 12- 7
12.5 Inrush currents at power-on of main circuit and control circuit .................................................... 12- 8
13. OPTIONS AND AUXILIARY EQUIPMENT
13.1 Options.................................................................................................................................................. 13- 1
13.1.1 Regenerative options .................................................................................................................... 13- 1
13.1.2 FR-BU2 brake unit ...................................................................................................................... 13-10
13.1.3 Power regeneration converter .................................................................................................... 13-17
13.1.4 External dynamic brake.............................................................................................................. 13-20
13.1.5 Cables and connectors................................................................................................................. 13-23
13.1.6 Junction terminal block (MR-TB20) .......................................................................................... 13-31
13.1.7 Maintenance junction card (MR-J2CN3TM) ............................................................................ 13-33
13.1.8 Battery (MR-BAT, A6BAT)......................................................................................................... 13-34
13.1.9 MR Configurator (Servo configurations software) ................................................................... 13-35
13.1.10 Power regeneration common converter................................................................................... 13-37
13.1.11 Heat sink outside mounting attachment (MR-JACN) ........................................................... 13-41
13.2 Auxiliary equipment .......................................................................................................................... 13-44
13.2.1 Recommended wires .................................................................................................................... 13-44
13.2.2 No-fuse breakers, fuses, magnetic contactors........................................................................... 13-47
13.2.3 Power factor improving reactors ................................................................................................ 13-47
13.2.4 Power factor improving DC reactors.......................................................................................... 13-48
13.2.5 Relays............................................................................................................................................ 13-49
13.2.6 Surge absorbers ........................................................................................................................... 13-49
13.2.7 Noise reduction techniques......................................................................................................... 13-49
13.2.8 Leakage current breaker............................................................................................................. 13-57
13.2.9 EMC filter..................................................................................................................................... 13-59
13.2.10 Setting potentiometers for analog inputs................................................................................ 13-63
14. COMMUNICATION FUNCTIONS
14.1 Configuration ....................................................................................................................................... 14- 1
14.1.1 RS-422 configuration.................................................................................................................... 14- 1
14.1.2 RS-232C configuration ................................................................................................................. 14- 2
14.2 Communication specifications............................................................................................................ 14- 3
14.2.1 Communication overview............................................................................................................. 14- 3
14.2.2 Parameter setting ......................................................................................................................... 14- 4
14.3 Protocol ................................................................................................................................................. 14- 5
14.4 Character codes ................................................................................................................................... 14- 7
14.5 Error codes ........................................................................................................................................... 14- 8
14.6 Checksum ............................................................................................................................................. 14- 8
14.7 Time-out operation .............................................................................................................................. 14- 9
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