4
11.2 Connectors............................................................................................................................................ 11- 8
12. CHARACTERISTICS 12- 1 to 12- 8
12.1 Overload protection characteristics ................................................................................................... 12- 1
12.2 Power supply equipment capacity and generated lo ss.................................................................... 12- 2
12.3 Dynamic brake characteristics........................................................................................................... 12- 5
12.4 Encoder cable flexing life ....................................................................................................................12- 7
12.5 Inrush currents at power-on of main circuit and control circu it ....................................................12- 8
13. OPTIONS AND AUXILIARY EQUIPMENT 13- 1 to 13-54
13.1 Options..................................................................................................................................................13- 1
13.1.1 Regenerative brake options ......................................................................................................... 13- 1
13.1.2 Brake unit.....................................................................................................................................13- 10
13.1.3 Power regeneration converter .................................................................................................... 13-12
13.1.4 External dynamic brake.............................................................................................................. 13-15
13.1.5 Cables and connectors .................................................................................................................13-18
13.1.6 Junction terminal block (MR-TB20) ..........................................................................................13-2 6
13.1.7 Maintenance junction card (MR-J2CN3TM) ............................................................................13-28
13.1.8 Battery (MR-BAT, A6BAT)......................................................................................................... 13-29
13.1.9 MR Configurator (Servo configurations software) ................................................................... 13-30
13.1.10 Power regeneration common converter ................................................................................... 13-32
13.1.11 Heat sink outside mounting attachment (MR-JA CN)........................................................... 13-36
13.2 Auxiliary equipment .......................................................................................................................... 13-39
13.2.1 Recommended wires.................................................................................................................... 13-39
13.2.2 No-fuse breakers, fuses, magnetic contactors........................................................................... 13-42
13.2.3 Power factor improving reactors ................................................................................................13-4 2
13.2.4 Power factor improving DC reactors.......................................................................................... 13-43
13.2.5 Relays............................................................................................................................................ 13-44
13.2.6 Surge absorbers ........................................................................................................................... 13-44
13.2.7 Noise reduction techniques......................................................................................................... 13-44
13.2.8 Leakage current breaker............................................................................................................. 13-50
13.2.9 EMC filter..................................................................................................................................... 13-52
13.2.10 Setting potentiometers for analog input s................................................................................13-54
14. COMMUNICATION FUNCTIONS 14- 1 to 14- 28
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
14.8 Retry operation ....................................................................................................................................14- 9