Mitsubishi Electric MELSERVO-J3 Series Manual page 12

2.1 MR-J3 series => MR-J4 series Comparison Table of Servo Amplifier Dimensions/
Installation Differences ................................................................................................................ 5-25
2.1.1 General-Purpose Interface/SSCNET III Interface 200 V/100 V class (22 kW or less) ....... 5-25
2.1.2 General-Purpose Interface/SSCNET III Interface 400 V class (22 kW or less) ................. 5-30
2.2 Parameter conversion ................................................................................................................. 5-34
2.2.1 Operation procedure of parameter conversion ................................................................... 5-34
2.2.2 MR-J3-_A_ parameter diversion procedure ....................................................................... 5-35
2.2.3 Parameter reading from the servo amplifier MR- J3-_A_ ................................................... 5-36
2.2.4 Converting the parameters of MR-J3-_A_ and writing them to the MR-J4-_A_
servo amplifier ................................................................................................................... 5-38
2.2.5 Conversion rules (MR-J3-_A_ => MR-J4-_A_) .................................................................. 5-41
2.2.6 Parameters that need to be checked after parameter conversion ..................................... 5-45
2.3 MR-J3-_B_ and MR-J3W-_B Parameter Diversion Procedure ................................................... 5-46
2.3.1 Changing QD75MH to QD77MS/LD77MS ......................................................................... 5-47
2.3.2 Changing Q17nHCPU/Q17nDCPU/Q170MCPU to Q17nDSCPU/Q170MSCPU(-S1) ...... 5-49
2.3.3 Conversion rules (MR-J3-_B_ and MR-J3W-_B => MR-J4-_B_ and MR-J4W2-_B) ......... 5-51
2.3.4 Parameters that need to be checked after parameter conversion ..................................... 5-54
3. COMMON POINTS TO NOTE ........................................................................................................... 5-56
3.1 Method for checking the software version ................................................................................... 5-56
3.1.1 Checking with MR Configurator2 (SW1DNC-MRC2-E) ..................................................... 5-56
4. COMMUNICATION FUNCTION (MITSUBISHI GENERAL-PURPOSE AC SERVO
PROTOCOL) ...................................................................................................................................... 5-57
4.1 Structure ...................................................................................................................................... 5-58
4.1.1 Configuration diagram ........................................................................................................ 5-58
4.1.2 Precautions for using RS-422/RS-232C/USB communication function ............................. 5-60
4.2 Communication specifications ..................................................................................................... 5-61
4.2.1 Outline of communication ................................................................................................... 5-61
4.2.2 Parameter setting ............................................................................................................... 5-61
4.3 Protocol ........................................................................................................................................ 5-62
4.3.1 Transmission data configuration ......................................................................................... 5-62
4.3.2 Character codes ................................................................................................................. 5-63
4.3.3 Error codes ......................................................................................................................... 5-64
4.3.4 Checksum ........................................................................................................................... 5-64
4.3.5 Time-out processing ........................................................................................................... 5-64
4.3.6 Retry processing ................................................................................................................. 5-65
4.3.7 Initialization ......................................................................................................................... 5-65
4.3.8 Communication procedure example ................................................................................... 5-66
4.4 Command and data No. list ......................................................................................................... 5-67
4.4.1 Reading command .............................................................................................................. 5-67
4.4.2 Writing commands .............................................................................................................. 5-73
4.5 Detailed explanations of commands ........................................................................................... 5-75
4.5.1 Data processing .................................................................................................................. 5-75
4.5.2 Status display mode ........................................................................................................... 5-77
4.5.3 Parameter ........................................................................................................................... 5-78
4.5.4 External I/O signal status (DIO diagnosis) .......................................................................... 5-82
4.5.5 Input device on/off .............................................................................................................. 5-85
4.5.6 Disabling/enabling I/O devices (DIO) ................................................................................. 5-86
4.5.7 Input devices on/off (test operation) ................................................................................... 5-87
4.5.8 Test operation mode ........................................................................................................... 5-88
4.5.9 Output signal pin on/off (output signal (DO) forced output) ................................................ 5-92
4.5.10 Alarm history ..................................................................................................................... 5-93
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