Mitsubishi Electric MELSERVO-J3 Series Manual page 20

15.3 Protocol ................................................................................................................................................. 15- 5
15.3.1 Transmission data configuration.................................................................................................... 15- 5
15.3.2 Character codes ............................................................................................................................. 15- 6
15.3.3 Error codes ..................................................................................................................................... 15- 7
15.3.4 Checksum....................................................................................................................................... 15- 7
15.3.5 Time-out operation ......................................................................................................................... 15- 8
15.3.6 Retry operation............................................................................................................................... 15- 8
15.3.7 Initialization..................................................................................................................................... 15- 9
15.3.8 Communication procedure example.............................................................................................. 15- 9
15.4 Command and data No. list ................................................................................................................. 15-10
15.4.1 Read commands ........................................................................................................................... 15-10
15.4.2 Write commands ........................................................................................................................... 15-14
15.5 Detailed explanations of commands ................................................................................................... 15-17
15.5.1 Data processing ............................................................................................................................ 15-17
15.5.2 Status display ................................................................................................................................ 15-19
15.5.3 Parameters .................................................................................................................................... 15-20
15.5.4 External I/O signal statuses (DIO diagnosis) ............................................................................... 15-23
15.5.5 Device ON/OFF............................................................................................................................. 15-28
15.5.6 Disable/enable of I/O devices (DIO) ............................................................................................. 15-29
15.5.7 Input devices ON/OFF (test operation) ........................................................................................ 15-30
15.5.8 Test operation mode ..................................................................................................................... 15-31
15.5.9 Alarm history.................................................................................................................................. 15-37
15.5.10 Current alarm .............................................................................................................................. 15-38
15.5.11 Point table.................................................................................................................................... 15-39
15.5.12 Servo amplifier group designation .............................................................................................. 15-45
15.5.13 Other commands......................................................................................................................... 15-46
16. INDEXER POSITIONING OPERATION
16.1 Function................................................................................................................................................. 16- 1
16.1.1 Overview......................................................................................................................................... 16- 1
16.1.2 Servo amplifier standard specifications (functions only)............................................................... 16- 1
16.1.3 Function list .................................................................................................................................... 16- 2
16.2 I/O signals (I/O devices) transferred to/from the programmable controller CPU................................ 16- 3
16.2.1 I/O signals (I/O devices)................................................................................................................. 16- 3
16.2.2 Detailed explanation of I/O signals ................................................................................................ 16- 5
16.2.3 Monitor codes................................................................................................................................ 16-14
16.2.4 Instruction codes (RWwn 2 RWwn 3) ................................................................................... 16-15
16.2.5 Respond codes (RWrn 2) .......................................................................................................... 16-22
16.3 Signal.................................................................................................................................................... 16-23
16.3.1 Signal (device) explanation........................................................................................................... 16-23
16.3.2 Detailed description of signals (devices) ...................................................................................... 16-26
16.4 Switching power on for the first time ................................................................................................... 16-29
16.4.1 Startup procedure ......................................................................................................................... 16-29
16.4.2 Wiring check .................................................................................................................................. 16-30
16.4.3 Surrounding environment ............................................................................................................. 16-31
16.5 Startup .................................................................................................................................................. 16-32
16.5.1 Power on and off procedures........................................................................................................ 16-32
16.5.2 Stop................................................................................................................................................ 16-32
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